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提交 7c730ccd 编写于 作者: L Linus Torvalds
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Merge branch 'percpu-cpumask-x86-for-linus-2' of... 

Merge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (682 commits)
  percpu: fix spurious alignment WARN in legacy SMP percpu allocator
  percpu: generalize embedding first chunk setup helper
  percpu: more flexibility for @dyn_size of pcpu_setup_first_chunk()
  percpu: make x86 addr <-> pcpu ptr conversion macros generic
  linker script: define __per_cpu_load on all SMP capable archs
  x86: UV: remove uv_flush_tlb_others() WARN_ON
  percpu: finer grained locking to break deadlock and allow atomic free
  percpu: move fully free chunk reclamation into a work
  percpu: move chunk area map extension out of area allocation
  percpu: replace pcpu_realloc() with pcpu_mem_alloc() and pcpu_mem_free()
  x86, percpu: setup reserved percpu area for x86_64
  percpu, module: implement reserved allocation and use it for module percpu variables
  percpu: add an indirection ptr for chunk page map access
  x86: make embedding percpu allocator return excessive free space
  percpu: use negative for auto for pcpu_setup_first_chunk() arguments
  percpu: improve first chunk initial area map handling
  percpu: cosmetic renames in pcpu_setup_first_chunk()
  percpu: clean up percpu constants
  x86: un-__init fill_pud/pmd/pte
  x86: remove vestigial fix_ioremap prototypes
  ...

Manually merge conflicts in arch/ia64/kernel/irq_ia64.c
上级 8d735b41 82268da1
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Showing with 17558 addition and 17239 deletion
Documentation/cputopology.txt
浏览文件 @ 7c730ccd
......@@ -18,11 +18,11 @@ For an architecture to support this feature, it must define some of
these macros in include/asm-XXX/topology.h:
#define topology_physical_package_id(cpu)
#define topology_core_id(cpu)
#define topology_thread_siblings(cpu)
#define topology_core_siblings(cpu)
#define topology_thread_cpumask(cpu)
#define topology_core_cpumask(cpu)
The type of **_id is int.
The type of siblings is cpumask_t.
The type of siblings is (const) struct cpumask *.
To be consistent on all architectures, include/linux/topology.h
provides default definitions for any of the above macros that are
......
Documentation/kernel-parameters.txt
浏览文件 @ 7c730ccd
......@@ -1325,8 +1325,13 @@ and is between 256 and 4096 characters. It is defined in the file
memtest= [KNL,X86] Enable memtest
Format: <integer>
range: 0,4 : pattern number
default : 0 <disable>
Specifies the number of memtest passes to be
performed. Each pass selects another test
pattern from a given set of patterns. Memtest
fills the memory with this pattern, validates
memory contents and reserves bad memory
regions that are detected.
meye.*= [HW] Set MotionEye Camera parameters
See Documentation/video4linux/meye.txt.
......
Documentation/x86/boot.txt
浏览文件 @ 7c730ccd
......@@ -158,7 +158,7 @@ Offset Proto Name Meaning
0202/4 2.00+ header Magic signature "HdrS"
0206/2 2.00+ version Boot protocol version supported
0208/4 2.00+ realmode_swtch Boot loader hook (see below)
020C/2 2.00+ start_sys The load-low segment (0x1000) (obsolete)
020C/2 2.00+ start_sys_seg The load-low segment (0x1000) (obsolete)
020E/2 2.00+ kernel_version Pointer to kernel version string
0210/1 2.00+ type_of_loader Boot loader identifier
0211/1 2.00+ loadflags Boot protocol option flags
......@@ -170,10 +170,11 @@ Offset Proto Name Meaning
0224/2 2.01+ heap_end_ptr Free memory after setup end
0226/2 N/A pad1 Unused
0228/4 2.02+ cmd_line_ptr 32-bit pointer to the kernel command line
022C/4 2.03+ initrd_addr_max Highest legal initrd address
022C/4 2.03+ ramdisk_max Highest legal initrd address
0230/4 2.05+ kernel_alignment Physical addr alignment required for kernel
0234/1 2.05+ relocatable_kernel Whether kernel is relocatable or not
0235/3 N/A pad2 Unused
0235/1 N/A pad2 Unused
0236/2 N/A pad3 Unused
0238/4 2.06+ cmdline_size Maximum size of the kernel command line
023C/4 2.07+ hardware_subarch Hardware subarchitecture
0240/8 2.07+ hardware_subarch_data Subarchitecture-specific data
......@@ -299,14 +300,14 @@ Protocol: 2.00+
e.g. 0x0204 for version 2.04, and 0x0a11 for a hypothetical version
10.17.
Field name: readmode_swtch
Field name: realmode_swtch
Type: modify (optional)
Offset/size: 0x208/4
Protocol: 2.00+
Boot loader hook (see ADVANCED BOOT LOADER HOOKS below.)
Field name: start_sys
Field name: start_sys_seg
Type: read
Offset/size: 0x20c/2
Protocol: 2.00+
......@@ -468,7 +469,7 @@ Protocol: 2.02+
zero, the kernel will assume that your boot loader does not support
the 2.02+ protocol.
Field name: initrd_addr_max
Field name: ramdisk_max
Type: read
Offset/size: 0x22c/4
Protocol: 2.03+
......@@ -542,7 +543,10 @@ Protocol: 2.08+
The payload may be compressed. The format of both the compressed and
uncompressed data should be determined using the standard magic
numbers. Currently only gzip compressed ELF is used.
numbers. The currently supported compression formats are gzip
(magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A) and LZMA
(magic number 5D 00). The uncompressed payload is currently always ELF
(magic number 7F 45 4C 46).
Field name: payload_length
Type: read
......
Makefile
浏览文件 @ 7c730ccd
......@@ -533,8 +533,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
endif
# Force gcc to behave correct even for buggy distributions
# Arch Makefiles may override this setting
ifndef CONFIG_CC_STACKPROTECTOR
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
endif
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
......
arch/alpha/kernel/irq.c
浏览文件 @ 7c730ccd
......@@ -55,7 +55,7 @@ int irq_select_affinity(unsigned int irq)
cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
last_cpu = cpu;
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu));
return 0;
}
......
arch/alpha/mm/init.c
浏览文件 @ 7c730ccd
......@@ -189,9 +189,21 @@ callback_init(void * kernel_end)
if (alpha_using_srm) {
static struct vm_struct console_remap_vm;
unsigned long vaddr = VMALLOC_START;
unsigned long nr_pages = 0;
unsigned long vaddr;
unsigned long i, j;
/* calculate needed size */
for (i = 0; i < crb->map_entries; ++i)
nr_pages += crb->map[i].count;
/* register the vm area */
console_remap_vm.flags = VM_ALLOC;
console_remap_vm.size = nr_pages << PAGE_SHIFT;
vm_area_register_early(&console_remap_vm, PAGE_SIZE);
vaddr = (unsigned long)console_remap_vm.addr;
/* Set up the third level PTEs and update the virtual
addresses of the CRB entries. */
for (i = 0; i < crb->map_entries; ++i) {
......@@ -213,12 +225,6 @@ callback_init(void * kernel_end)
vaddr += PAGE_SIZE;
}
}
/* Let vmalloc know that we've allocated some space. */
console_remap_vm.flags = VM_ALLOC;
console_remap_vm.addr = (void *) VMALLOC_START;
console_remap_vm.size = vaddr - VMALLOC_START;
vmlist = &console_remap_vm;
}
callback_init_done = 1;
......
arch/arm/kernel/irq.c
浏览文件 @ 7c730ccd
......@@ -104,6 +104,11 @@ static struct irq_desc bad_irq_desc = {
.lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
};
#ifdef CONFIG_CPUMASK_OFFSTACK
/* We are not allocating bad_irq_desc.affinity or .pending_mask */
#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
#endif
/*
* do_IRQ handles all hardware IRQ's. Decoded IRQs should not
* come via this function. Instead, they should provide their
......@@ -161,7 +166,7 @@ void __init init_IRQ(void)
irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
#ifdef CONFIG_SMP
bad_irq_desc.affinity = CPU_MASK_ALL;
cpumask_setall(bad_irq_desc.affinity);
bad_irq_desc.cpu = smp_processor_id();
#endif
init_arch_irq();
......@@ -191,15 +196,16 @@ void migrate_irqs(void)
struct irq_desc *desc = irq_desc + i;
if (desc->cpu == cpu) {
unsigned int newcpu = any_online_cpu(desc->affinity);
if (newcpu == NR_CPUS) {
unsigned int newcpu = cpumask_any_and(desc->affinity,
cpu_online_mask);
if (newcpu >= nr_cpu_ids) {
if (printk_ratelimit())
printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
i, cpu);
cpus_setall(desc->affinity);
newcpu = any_online_cpu(desc->affinity);
cpumask_setall(desc->affinity);
newcpu = cpumask_any_and(desc->affinity,
cpu_online_mask);
}
route_irq(desc, i, newcpu);
......
arch/arm/kernel/vmlinux.lds.S
浏览文件 @ 7c730ccd
......@@ -64,7 +64,9 @@ SECTIONS
__initramfs_end = .;
#endif
. = ALIGN(4096);
__per_cpu_load = .;
__per_cpu_start = .;
*(.data.percpu.page_aligned)
*(.data.percpu)
*(.data.percpu.shared_aligned)
__per_cpu_end = .;
......
arch/arm/oprofile/op_model_mpcore.c
浏览文件 @ 7c730ccd
......@@ -263,7 +263,7 @@ static void em_route_irq(int irq, unsigned int cpu)
const struct cpumask *mask = cpumask_of(cpu);
spin_lock_irq(&desc->lock);
desc->affinity = *mask;
cpumask_copy(desc->affinity, mask);
desc->chip->set_affinity(irq, mask);
spin_unlock_irq(&desc->lock);
}
......
arch/avr32/Kconfig
浏览文件 @ 7c730ccd
......@@ -181,7 +181,7 @@ source "kernel/Kconfig.preempt"
config QUICKLIST
def_bool y
config HAVE_ARCH_BOOTMEM_NODE
config HAVE_ARCH_BOOTMEM
def_bool n
config ARCH_HAVE_MEMORY_PRESENT
......
arch/blackfin/include/asm/percpu.h
浏览文件 @ 7c730ccd
......@@ -3,14 +3,4 @@
#include <asm-generic/percpu.h>
#ifdef CONFIG_MODULES
#define PERCPU_MODULE_RESERVE 8192
#else
#define PERCPU_MODULE_RESERVE 0
#endif
#define PERCPU_ENOUGH_ROOM \
(ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
PERCPU_MODULE_RESERVE)
#endif /* __ARCH_BLACKFIN_PERCPU__ */
arch/blackfin/kernel/irqchip.c
浏览文件 @ 7c730ccd
......@@ -70,6 +70,11 @@ static struct irq_desc bad_irq_desc = {
#endif
};
#ifdef CONFIG_CPUMASK_OFFSTACK
/* We are not allocating a variable-sized bad_irq_desc.affinity */
#error "Blackfin architecture does not support CONFIG_CPUMASK_OFFSTACK."
#endif
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
......
arch/ia64/include/asm/percpu.h
浏览文件 @ 7c730ccd
......@@ -27,12 +27,12 @@ extern void *per_cpu_init(void);
#else /* ! SMP */
#define PER_CPU_ATTRIBUTES __attribute__((__section__(".data.percpu")))
#define per_cpu_init() (__phys_per_cpu_start)
#endif /* SMP */
#define PER_CPU_BASE_SECTION ".data.percpu"
/*
* Be extremely careful when taking the address of this variable! Due to virtual
* remapping, it is different from the canonical address returned by __get_cpu_var(var)!
......
arch/ia64/include/asm/topology.h
浏览文件 @ 7c730ccd
......@@ -84,7 +84,7 @@ void build_cpu_to_node_map(void);
.child = NULL, \
.groups = NULL, \
.min_interval = 8, \
.max_interval = 8*(min(num_online_cpus(), 32)), \
.max_interval = 8*(min(num_online_cpus(), 32U)), \
.busy_factor = 64, \
.imbalance_pct = 125, \
.cache_nice_tries = 2, \
......
arch/ia64/include/asm/uv/uv.h 0 → 100644
浏览文件 @ 7c730ccd
#ifndef _ASM_IA64_UV_UV_H
#define _ASM_IA64_UV_UV_H
#include <asm/system.h>
#include <asm/sn/simulator.h>
static inline int is_uv_system(void)
{
/* temporary support for running on hardware simulator */
return IS_MEDUSA() || ia64_platform_is("uv");
}
#endif /* _ASM_IA64_UV_UV_H */
arch/ia64/kernel/acpi.c
浏览文件 @ 7c730ccd
......@@ -199,6 +199,10 @@ char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size)
return __va(phys_addr);
}
void __init __acpi_unmap_table(char *map, unsigned long size)
{
}
/* --------------------------------------------------------------------------
Boot-time Table Parsing
-------------------------------------------------------------------------- */
......
arch/ia64/kernel/iosapic.c
浏览文件 @ 7c730ccd
......@@ -880,7 +880,7 @@ iosapic_unregister_intr (unsigned int gsi)
if (iosapic_intr_info[irq].count == 0) {
#ifdef CONFIG_SMP
/* Clear affinity */
cpus_setall(idesc->affinity);
cpumask_setall(idesc->affinity);
#endif
/* Clear the interrupt information */
iosapic_intr_info[irq].dest = 0;
......
arch/ia64/kernel/irq.c
浏览文件 @ 7c730ccd
......@@ -103,7 +103,7 @@ static char irq_redir [NR_IRQS]; // = { [0 ... NR_IRQS-1] = 1 };
void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
{
if (irq < NR_IRQS) {
cpumask_copy(&irq_desc[irq].affinity,
cpumask_copy(irq_desc[irq].affinity,
cpumask_of(cpu_logical_id(hwid)));
irq_redir[irq] = (char) (redir & 0xff);
}
......@@ -148,7 +148,7 @@ static void migrate_irqs(void)
if (desc->status == IRQ_PER_CPU)
continue;
if (cpumask_any_and(&irq_desc[irq].affinity, cpu_online_mask)
if (cpumask_any_and(irq_desc[irq].affinity, cpu_online_mask)
>= nr_cpu_ids) {
/*
* Save it for phase 2 processing
......
arch/ia64/kernel/irq_ia64.c
浏览文件 @ 7c730ccd
......@@ -493,16 +493,15 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);
ia64_srlz_d();
while (vector != IA64_SPURIOUS_INT_VECTOR) {
struct irq_desc *desc;
int irq = local_vector_to_irq(vector);
struct irq_desc *desc = irq_to_desc(irq);
desc = irq_desc + irq;
if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
smp_local_flush_tlb();
kstat_incr_irqs_this_cpu(irq, desc);
} else if (unlikely(IS_RESCHEDULE(vector)))
} else if (unlikely(IS_RESCHEDULE(vector))) {
kstat_incr_irqs_this_cpu(irq, desc);
else {
} else {
ia64_setreg(_IA64_REG_CR_TPR, vector);
ia64_srlz_d();
......@@ -553,16 +552,15 @@ void ia64_process_pending_intr(void)
* Perform normal interrupt style processing
*/
while (vector != IA64_SPURIOUS_INT_VECTOR) {
struct irq_desc *desc;
int irq = local_vector_to_irq(vector);
desc = irq_desc + irq;
struct irq_desc *desc = irq_to_desc(irq);
if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
smp_local_flush_tlb();
kstat_incr_irqs_this_cpu(irq, desc);
} else if (unlikely(IS_RESCHEDULE(vector)))
} else if (unlikely(IS_RESCHEDULE(vector))) {
kstat_incr_irqs_this_cpu(irq, desc);
else {
} else {
struct pt_regs *old_regs = set_irq_regs(NULL);
ia64_setreg(_IA64_REG_CR_TPR, vector);
......
arch/ia64/kernel/msi_ia64.c
浏览文件 @ 7c730ccd
......@@ -38,7 +38,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq,
msg.data = data;
write_msi_msg(irq, &msg);
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
}
#endif /* CONFIG_SMP */
......@@ -150,7 +150,7 @@ static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
dmar_msi_write(irq, &msg);
irq_desc[irq].affinity = *mask;
cpumask_copy(irq_desc[irq].affinity, mask);
}
#endif /* CONFIG_SMP */
......
arch/ia64/kernel/vmlinux.lds.S
浏览文件 @ 7c730ccd
......@@ -213,16 +213,9 @@ SECTIONS
{ *(.data.cacheline_aligned) }
/* Per-cpu data: */
percpu : { } :percpu
. = ALIGN(PERCPU_PAGE_SIZE);
__phys_per_cpu_start = .;
.data.percpu PERCPU_ADDR : AT(__phys_per_cpu_start - LOAD_OFFSET)
{
__per_cpu_start = .;
*(.data.percpu)
*(.data.percpu.shared_aligned)
__per_cpu_end = .;
}
PERCPU_VADDR(PERCPU_ADDR, :percpu)
__phys_per_cpu_start = __per_cpu_load;
. = __phys_per_cpu_start + PERCPU_PAGE_SIZE; /* ensure percpu data fits
* into percpu page size
*/
......
arch/ia64/sn/kernel/msi_sn.c
浏览文件 @ 7c730ccd
......@@ -205,7 +205,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq,
msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
write_msi_msg(irq, &msg);
irq_desc[irq].affinity = *cpu_mask;
cpumask_copy(irq_desc[irq].affinity, cpu_mask);
}
#endif /* CONFIG_SMP */
......
arch/mips/include/asm/irq.h
浏览文件 @ 7c730ccd
......@@ -66,7 +66,7 @@ extern void smtc_forward_irq(unsigned int irq);
*/
#define IRQ_AFFINITY_HOOK(irq) \
do { \
if (!cpu_isset(smp_processor_id(), irq_desc[irq].affinity)) { \
if (!cpumask_test_cpu(smp_processor_id(), irq_desc[irq].affinity)) {\
smtc_forward_irq(irq); \
irq_exit(); \
return; \
......
arch/mips/kernel/irq-gic.c
浏览文件 @ 7c730ccd
......@@ -187,7 +187,7 @@ static void gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);
}
irq_desc[irq].affinity = *cpumask;
cpumask_copy(irq_desc[irq].affinity, cpumask);
spin_unlock_irqrestore(&gic_lock, flags);
}
......
arch/mips/kernel/smtc.c
浏览文件 @ 7c730ccd
......@@ -686,7 +686,7 @@ void smtc_forward_irq(unsigned int irq)
* and efficiency, we just pick the easiest one to find.
*/
target = first_cpu(irq_desc[irq].affinity);
target = cpumask_first(irq_desc[irq].affinity);
/*
* We depend on the platform code to have correctly processed
......@@ -921,11 +921,13 @@ void ipi_decode(struct smtc_ipi *pipi)
struct clock_event_device *cd;
void *arg_copy = pipi->arg;
int type_copy = pipi->type;
int irq = MIPS_CPU_IRQ_BASE + 1;
smtc_ipi_nq(&freeIPIq, pipi);
switch (type_copy) {
case SMTC_CLOCK_TICK:
irq_enter();
kstat_this_cpu.irqs[MIPS_CPU_IRQ_BASE + 1]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
cd = &per_cpu(mips_clockevent_device, cpu);
cd->event_handler(cd);
irq_exit();
......
arch/mips/mti-malta/malta-smtc.c
浏览文件 @ 7c730ccd
......@@ -116,7 +116,7 @@ struct plat_smp_ops msmtc_smp_ops = {
void plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
{
cpumask_t tmask = *affinity;
cpumask_t tmask;
int cpu = 0;
void smtc_set_irq_affinity(unsigned int irq, cpumask_t aff);
......@@ -139,11 +139,12 @@ void plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
* be made to forward to an offline "CPU".
*/
cpumask_copy(&tmask, affinity);
for_each_cpu(cpu, affinity) {
if ((cpu_data[cpu].vpe_id != 0) || !cpu_online(cpu))
cpu_clear(cpu, tmask);
}
irq_desc[irq].affinity = tmask;
cpumask_copy(irq_desc[irq].affinity, &tmask);
if (cpus_empty(tmask))
/*
......
arch/mips/sgi-ip22/ip22-int.c
浏览文件 @ 7c730ccd
......@@ -155,7 +155,7 @@ static void indy_buserror_irq(void)
int irq = SGI_BUSERR_IRQ;
irq_enter();
kstat_this_cpu.irqs[irq]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
ip22_be_interrupt(irq);
irq_exit();
}
......
arch/mips/sgi-ip22/ip22-time.c
浏览文件 @ 7c730ccd
......@@ -122,7 +122,7 @@ void indy_8254timer_irq(void)
char c;
irq_enter();
kstat_this_cpu.irqs[irq]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
printk(KERN_ALERT "Oops, got 8254 interrupt.\n");
ArcRead(0, &c, 1, &cnt);
ArcEnterInteractiveMode();
......
arch/mips/sibyte/bcm1480/smp.c
浏览文件 @ 7c730ccd
......@@ -178,9 +178,10 @@ struct plat_smp_ops bcm1480_smp_ops = {
void bcm1480_mailbox_interrupt(void)
{
int cpu = smp_processor_id();
int irq = K_BCM1480_INT_MBOX_0_0;
unsigned int action;
kstat_this_cpu.irqs[K_BCM1480_INT_MBOX_0_0]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
/* Load the mailbox register to figure out what we're supposed to do */
action = (__raw_readq(mailbox_0_regs[cpu]) >> 48) & 0xffff;
......
arch/mips/sibyte/sb1250/smp.c
浏览文件 @ 7c730ccd
......@@ -166,9 +166,10 @@ struct plat_smp_ops sb_smp_ops = {
void sb1250_mailbox_interrupt(void)
{
int cpu = smp_processor_id();
int irq = K_INT_MBOX_0;
unsigned int action;
kstat_this_cpu.irqs[K_INT_MBOX_0]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
/* Load the mailbox register to figure out what we're supposed to do */
action = (____raw_readq(mailbox_regs[cpu]) >> 48) & 0xffff;
......
arch/mn10300/kernel/mn10300-watchdog.c
浏览文件 @ 7c730ccd
......@@ -130,6 +130,7 @@ void watchdog_interrupt(struct pt_regs *regs, enum exception_code excep)
* the stack NMI-atomically, it's safe to use smp_processor_id().
*/
int sum, cpu = smp_processor_id();
int irq = NMIIRQ;
u8 wdt, tmp;
wdt = WDCTR & ~WDCTR_WDCNE;
......@@ -138,7 +139,7 @@ void watchdog_interrupt(struct pt_regs *regs, enum exception_code excep)
NMICR = NMICR_WDIF;
nmi_count(cpu)++;
kstat_this_cpu.irqs[NMIIRQ]++;
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
sum = irq_stat[cpu].__irq_count;
if (last_irq_sums[cpu] == sum) {
......
arch/parisc/kernel/irq.c
浏览文件 @ 7c730ccd
......@@ -138,7 +138,7 @@ static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
if (cpu_dest < 0)
return;
cpumask_copy(&irq_desc[irq].affinity, &cpumask_of_cpu(cpu_dest));
cpumask_copy(&irq_desc[irq].affinity, dest);
}
#endif
......
arch/powerpc/kernel/irq.c
浏览文件 @ 7c730ccd
......@@ -231,7 +231,7 @@ void fixup_irqs(cpumask_t map)
if (irq_desc[irq].status & IRQ_PER_CPU)
continue;
cpus_and(mask, irq_desc[irq].affinity, map);
cpumask_and(&mask, irq_desc[irq].affinity, &map);
if (any_online_cpu(mask) == NR_CPUS) {
printk("Breaking affinity for irq %i\n", irq);
mask = map;
......
arch/powerpc/kernel/vmlinux.lds.S
浏览文件 @ 7c730ccd
......@@ -181,13 +181,7 @@ SECTIONS
__initramfs_end = .;
}
#endif
. = ALIGN(PAGE_SIZE);
.data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
__per_cpu_start = .;
*(.data.percpu)
*(.data.percpu.shared_aligned)
__per_cpu_end = .;
}
PERCPU(PAGE_SIZE)
. = ALIGN(8);
.machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
......
arch/powerpc/platforms/pseries/xics.c
浏览文件 @ 7c730ccd
......@@ -153,9 +153,10 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check)
{
int server;
/* For the moment only implement delivery to all cpus or one cpu */
cpumask_t cpumask = irq_desc[virq].affinity;
cpumask_t cpumask;
cpumask_t tmp = CPU_MASK_NONE;
cpumask_copy(&cpumask, irq_desc[virq].affinity);
if (!distribute_irqs)
return default_server;
......@@ -869,7 +870,7 @@ void xics_migrate_irqs_away(void)
virq, cpu);
/* Reset affinity to all cpus */
irq_desc[virq].affinity = CPU_MASK_ALL;
cpumask_setall(irq_desc[virq].affinity);
desc->chip->set_affinity(virq, cpu_all_mask);
unlock:
spin_unlock_irqrestore(&desc->lock, flags);
......
arch/powerpc/sysdev/mpic.c
浏览文件 @ 7c730ccd
......@@ -566,9 +566,10 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
#ifdef CONFIG_SMP
static int irq_choose_cpu(unsigned int virt_irq)
{
cpumask_t mask = irq_desc[virt_irq].affinity;
cpumask_t mask;
int cpuid;
cpumask_copy(&mask, irq_desc[virt_irq].affinity);
if (cpus_equal(mask, CPU_MASK_ALL)) {
static int irq_rover;
static DEFINE_SPINLOCK(irq_rover_lock);
......
arch/sparc/kernel/irq_64.c
浏览文件 @ 7c730ccd
......@@ -252,9 +252,10 @@ struct irq_handler_data {
#ifdef CONFIG_SMP
static int irq_choose_cpu(unsigned int virt_irq)
{
cpumask_t mask = irq_desc[virt_irq].affinity;
cpumask_t mask;
int cpuid;
cpumask_copy(&mask, irq_desc[virt_irq].affinity);
if (cpus_equal(mask, CPU_MASK_ALL)) {
static int irq_rover;
static DEFINE_SPINLOCK(irq_rover_lock);
......@@ -805,7 +806,7 @@ void fixup_irqs(void)
!(irq_desc[irq].status & IRQ_PER_CPU)) {
if (irq_desc[irq].chip->set_affinity)
irq_desc[irq].chip->set_affinity(irq,
&irq_desc[irq].affinity);
irq_desc[irq].affinity);
}
spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
}
......
arch/sparc/kernel/time_64.c
浏览文件 @ 7c730ccd
......@@ -36,10 +36,10 @@
#include <linux/clocksource.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <asm/oplib.h>
#include <asm/timer.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/starfire.h>
......@@ -724,14 +724,12 @@ void timer_interrupt(int irq, struct pt_regs *regs)
unsigned long tick_mask = tick_ops->softint_mask;
int cpu = smp_processor_id();
struct clock_event_device *evt = &per_cpu(sparc64_events, cpu);
struct irq_desc *desc;
clear_softint(tick_mask);
irq_enter();
desc = irq_to_desc(0);
kstat_incr_irqs_this_cpu(0, desc);
kstat_incr_irqs_this_cpu(0, irq_to_desc(0));
if (unlikely(!evt->event_handler)) {
printk(KERN_WARNING
......
arch/x86/Kconfig
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/Kconfig.cpu
浏览文件 @ 7c730ccd
......@@ -50,7 +50,7 @@ config M386
config M486
bool "486"
depends on X86_32
help
---help---
Select this for a 486 series processor, either Intel or one of the
compatible processors from AMD, Cyrix, IBM, or Intel. Includes DX,
DX2, and DX4 variants; also SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or
......@@ -59,7 +59,7 @@ config M486
config M586
bool "586/K5/5x86/6x86/6x86MX"
depends on X86_32
help
---help---
Select this for an 586 or 686 series processor such as the AMD K5,
the Cyrix 5x86, 6x86 and 6x86MX. This choice does not
assume the RDTSC (Read Time Stamp Counter) instruction.
......@@ -67,21 +67,21 @@ config M586
config M586TSC
bool "Pentium-Classic"
depends on X86_32
help
---help---
Select this for a Pentium Classic processor with the RDTSC (Read
Time Stamp Counter) instruction for benchmarking.
config M586MMX
bool "Pentium-MMX"
depends on X86_32
help
---help---
Select this for a Pentium with the MMX graphics/multimedia
extended instructions.
config M686
bool "Pentium-Pro"
depends on X86_32
help
---help---
Select this for Intel Pentium Pro chips. This enables the use of
Pentium Pro extended instructions, and disables the init-time guard
against the f00f bug found in earlier Pentiums.
......@@ -89,7 +89,7 @@ config M686
config MPENTIUMII
bool "Pentium-II/Celeron(pre-Coppermine)"
depends on X86_32
help
---help---
Select this for Intel chips based on the Pentium-II and
pre-Coppermine Celeron core. This option enables an unaligned
copy optimization, compiles the kernel with optimization flags
......@@ -99,7 +99,7 @@ config MPENTIUMII
config MPENTIUMIII
bool "Pentium-III/Celeron(Coppermine)/Pentium-III Xeon"
depends on X86_32
help
---help---
Select this for Intel chips based on the Pentium-III and
Celeron-Coppermine core. This option enables use of some
extended prefetch instructions in addition to the Pentium II
......@@ -108,14 +108,14 @@ config MPENTIUMIII
config MPENTIUMM
bool "Pentium M"
depends on X86_32
help
---help---
Select this for Intel Pentium M (not Pentium-4 M)
notebook chips.
config MPENTIUM4
bool "Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon"
depends on X86_32
help
---help---
Select this for Intel Pentium 4 chips. This includes the
Pentium 4, Pentium D, P4-based Celeron and Xeon, and
Pentium-4 M (not Pentium M) chips. This option enables compile
......@@ -151,7 +151,7 @@ config MPENTIUM4
config MK6
bool "K6/K6-II/K6-III"
depends on X86_32
help
---help---
Select this for an AMD K6-family processor. Enables use of
some extended instructions, and passes appropriate optimization
flags to GCC.
......@@ -159,14 +159,14 @@ config MK6
config MK7
bool "Athlon/Duron/K7"
depends on X86_32
help
---help---
Select this for an AMD Athlon K7-family processor. Enables use of
some extended instructions, and passes appropriate optimization
flags to GCC.
config MK8
bool "Opteron/Athlon64/Hammer/K8"
help
---help---
Select this for an AMD Opteron or Athlon64 Hammer-family processor.
Enables use of some extended instructions, and passes appropriate
optimization flags to GCC.
......@@ -174,7 +174,7 @@ config MK8
config MCRUSOE
bool "Crusoe"
depends on X86_32
help
---help---
Select this for a Transmeta Crusoe processor. Treats the processor
like a 586 with TSC, and sets some GCC optimization flags (like a
Pentium Pro with no alignment requirements).
......@@ -182,13 +182,13 @@ config MCRUSOE
config MEFFICEON
bool "Efficeon"
depends on X86_32
help
---help---
Select this for a Transmeta Efficeon processor.
config MWINCHIPC6
bool "Winchip-C6"
depends on X86_32
help
---help---
Select this for an IDT Winchip C6 chip. Linux and GCC
treat this chip as a 586TSC with some extended instructions
and alignment requirements.
......@@ -196,7 +196,7 @@ config MWINCHIPC6
config MWINCHIP3D
bool "Winchip-2/Winchip-2A/Winchip-3"
depends on X86_32
help
---help---
Select this for an IDT Winchip-2, 2A or 3. Linux and GCC
treat this chip as a 586TSC with some extended instructions
and alignment requirements. Also enable out of order memory
......@@ -206,19 +206,19 @@ config MWINCHIP3D
config MGEODEGX1
bool "GeodeGX1"
depends on X86_32
help
---help---
Select this for a Geode GX1 (Cyrix MediaGX) chip.
config MGEODE_LX
bool "Geode GX/LX"
depends on X86_32
help
---help---
Select this for AMD Geode GX and LX processors.
config MCYRIXIII
bool "CyrixIII/VIA-C3"
depends on X86_32
help
---help---
Select this for a Cyrix III or C3 chip. Presently Linux and GCC
treat this chip as a generic 586. Whilst the CPU is 686 class,
it lacks the cmov extension which gcc assumes is present when
......@@ -230,7 +230,7 @@ config MCYRIXIII
config MVIAC3_2
bool "VIA C3-2 (Nehemiah)"
depends on X86_32
help
---help---
Select this for a VIA C3 "Nehemiah". Selecting this enables usage
of SSE and tells gcc to treat the CPU as a 686.
Note, this kernel will not boot on older (pre model 9) C3s.
......@@ -238,14 +238,14 @@ config MVIAC3_2
config MVIAC7
bool "VIA C7"
depends on X86_32
help
---help---
Select this for a VIA C7. Selecting this uses the correct cache
shift and tells gcc to treat the CPU as a 686.
config MPSC
bool "Intel P4 / older Netburst based Xeon"
depends on X86_64
help
---help---
Optimize for Intel Pentium 4, Pentium D and older Nocona/Dempsey
Xeon CPUs with Intel 64bit which is compatible with x86-64.
Note that the latest Xeons (Xeon 51xx and 53xx) are not based on the
......@@ -255,7 +255,7 @@ config MPSC
config MCORE2
bool "Core 2/newer Xeon"
help
---help---
Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and
53xx) CPUs. You can distinguish newer from older Xeons by the CPU
......@@ -265,7 +265,7 @@ config MCORE2
config GENERIC_CPU
bool "Generic-x86-64"
depends on X86_64
help
---help---
Generic x86-64 CPU.
Run equally well on all x86-64 CPUs.
......@@ -274,7 +274,7 @@ endchoice
config X86_GENERIC
bool "Generic x86 support"
depends on X86_32
help
---help---
Instead of just including optimizations for the selected
x86 variant (e.g. PII, Crusoe or Athlon), include some more
generic optimizations as well. This will make the kernel
......@@ -294,25 +294,23 @@ config X86_CPU
# Define implied options from the CPU selection here
config X86_L1_CACHE_BYTES
int
default "128" if GENERIC_CPU || MPSC
default "64" if MK8 || MCORE2
depends on X86_64
default "128" if MPSC
default "64" if GENERIC_CPU || MK8 || MCORE2 || X86_32
config X86_INTERNODE_CACHE_BYTES
int
default "4096" if X86_VSMP
default X86_L1_CACHE_BYTES if !X86_VSMP
depends on X86_64
config X86_CMPXCHG
def_bool X86_64 || (X86_32 && !M386)
config X86_L1_CACHE_SHIFT
int
default "7" if MPENTIUM4 || X86_GENERIC || GENERIC_CPU || MPSC
default "7" if MPENTIUM4 || MPSC
default "4" if X86_ELAN || M486 || M386 || MGEODEGX1
default "5" if MWINCHIP3D || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX
default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7
default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7 || X86_GENERIC || GENERIC_CPU
config X86_XADD
def_bool y
......@@ -321,7 +319,7 @@ config X86_XADD
config X86_PPRO_FENCE
bool "PentiumPro memory ordering errata workaround"
depends on M686 || M586MMX || M586TSC || M586 || M486 || M386 || MGEODEGX1
help
---help---
Old PentiumPro multiprocessor systems had errata that could cause
memory operations to violate the x86 ordering standard in rare cases.
Enabling this option will attempt to work around some (but not all)
......@@ -414,14 +412,14 @@ config X86_DEBUGCTLMSR
menuconfig PROCESSOR_SELECT
bool "Supported processor vendors" if EMBEDDED
help
---help---
This lets you choose what x86 vendor support code your kernel
will include.
config CPU_SUP_INTEL
default y
bool "Support Intel processors" if PROCESSOR_SELECT
help
---help---
This enables detection, tunings and quirks for Intel processors
You need this enabled if you want your kernel to run on an
......@@ -435,7 +433,7 @@ config CPU_SUP_CYRIX_32
default y
bool "Support Cyrix processors" if PROCESSOR_SELECT
depends on !64BIT
help
---help---
This enables detection, tunings and quirks for Cyrix processors
You need this enabled if you want your kernel to run on a
......@@ -448,7 +446,7 @@ config CPU_SUP_CYRIX_32
config CPU_SUP_AMD
default y
bool "Support AMD processors" if PROCESSOR_SELECT
help
---help---
This enables detection, tunings and quirks for AMD processors
You need this enabled if you want your kernel to run on an
......@@ -462,7 +460,7 @@ config CPU_SUP_CENTAUR_32
default y
bool "Support Centaur processors" if PROCESSOR_SELECT
depends on !64BIT
help
---help---
This enables detection, tunings and quirks for Centaur processors
You need this enabled if you want your kernel to run on a
......@@ -476,7 +474,7 @@ config CPU_SUP_CENTAUR_64
default y
bool "Support Centaur processors" if PROCESSOR_SELECT
depends on 64BIT
help
---help---
This enables detection, tunings and quirks for Centaur processors
You need this enabled if you want your kernel to run on a
......@@ -490,7 +488,7 @@ config CPU_SUP_TRANSMETA_32
default y
bool "Support Transmeta processors" if PROCESSOR_SELECT
depends on !64BIT
help
---help---
This enables detection, tunings and quirks for Transmeta processors
You need this enabled if you want your kernel to run on a
......@@ -504,7 +502,7 @@ config CPU_SUP_UMC_32
default y
bool "Support UMC processors" if PROCESSOR_SELECT
depends on !64BIT
help
---help---
This enables detection, tunings and quirks for UMC processors
You need this enabled if you want your kernel to run on a
......@@ -523,7 +521,7 @@ config X86_PTRACE_BTS
bool "Branch Trace Store"
default y
depends on X86_DEBUGCTLMSR
help
---help---
This adds a ptrace interface to the hardware's branch trace store.
Debuggers may use it to collect an execution trace of the debugged
......
arch/x86/Kconfig.debug
浏览文件 @ 7c730ccd
......@@ -7,7 +7,7 @@ source "lib/Kconfig.debug"
config STRICT_DEVMEM
bool "Filter access to /dev/mem"
help
---help---
If this option is disabled, you allow userspace (root) access to all
of memory, including kernel and userspace memory. Accidental
access to this is obviously disastrous, but specific access can
......@@ -25,7 +25,7 @@ config STRICT_DEVMEM
config X86_VERBOSE_BOOTUP
bool "Enable verbose x86 bootup info messages"
default y
help
---help---
Enables the informational output from the decompression stage
(e.g. bzImage) of the boot. If you disable this you will still
see errors. Disable this if you want silent bootup.
......@@ -33,7 +33,7 @@ config X86_VERBOSE_BOOTUP
config EARLY_PRINTK
bool "Early printk" if EMBEDDED
default y
help
---help---
Write kernel log output directly into the VGA buffer or to a serial
port.
......@@ -47,7 +47,7 @@ config EARLY_PRINTK_DBGP
bool "Early printk via EHCI debug port"
default n
depends on EARLY_PRINTK && PCI
help
---help---
Write kernel log output directly into the EHCI debug port.
This is useful for kernel debugging when your machine crashes very
......@@ -59,14 +59,14 @@ config EARLY_PRINTK_DBGP
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
help
---help---
This option will cause messages to be printed if free stack space
drops below a certain limit.
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
depends on DEBUG_KERNEL
help
---help---
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T and sysrq-P debug output.
......@@ -75,7 +75,7 @@ config DEBUG_STACK_USAGE
config DEBUG_PAGEALLOC
bool "Debug page memory allocations"
depends on DEBUG_KERNEL
help
---help---
Unmap pages from the kernel linear mapping after free_pages().
This results in a large slowdown, but helps to find certain types
of memory corruptions.
......@@ -83,9 +83,9 @@ config DEBUG_PAGEALLOC
config DEBUG_PER_CPU_MAPS
bool "Debug access to per_cpu maps"
depends on DEBUG_KERNEL
depends on X86_SMP
depends on SMP
default n
help
---help---
Say Y to verify that the per_cpu map being accessed has
been setup. Adds a fair amount of code to kernel memory
and decreases performance.
......@@ -96,7 +96,7 @@ config X86_PTDUMP
bool "Export kernel pagetable layout to userspace via debugfs"
depends on DEBUG_KERNEL
select DEBUG_FS
help
---help---
Say Y here if you want to show the kernel pagetable layout in a
debugfs file. This information is only useful for kernel developers
who are working in architecture specific areas of the kernel.
......@@ -108,7 +108,7 @@ config DEBUG_RODATA
bool "Write protect kernel read-only data structures"
default y
depends on DEBUG_KERNEL
help
---help---
Mark the kernel read-only data as write-protected in the pagetables,
in order to catch accidental (and incorrect) writes to such const
data. This is recommended so that we can catch kernel bugs sooner.
......@@ -117,7 +117,8 @@ config DEBUG_RODATA
config DEBUG_RODATA_TEST
bool "Testcase for the DEBUG_RODATA feature"
depends on DEBUG_RODATA
help
default y
---help---
This option enables a testcase for the DEBUG_RODATA
feature as well as for the change_page_attr() infrastructure.
If in doubt, say "N"
......@@ -125,7 +126,7 @@ config DEBUG_RODATA_TEST
config DEBUG_NX_TEST
tristate "Testcase for the NX non-executable stack feature"
depends on DEBUG_KERNEL && m
help
---help---
This option enables a testcase for the CPU NX capability
and the software setup of this feature.
If in doubt, say "N"
......@@ -133,7 +134,7 @@ config DEBUG_NX_TEST
config 4KSTACKS
bool "Use 4Kb for kernel stacks instead of 8Kb"
depends on X86_32
help
---help---
If you say Y here the kernel will use a 4Kb stacksize for the
kernel stack attached to each process/thread. This facilitates
running more threads on a system and also reduces the pressure
......@@ -144,7 +145,7 @@ config DOUBLEFAULT
default y
bool "Enable doublefault exception handler" if EMBEDDED
depends on X86_32
help
---help---
This option allows trapping of rare doublefault exceptions that
would otherwise cause a system to silently reboot. Disabling this
option saves about 4k and might cause you much additional grey
......@@ -154,7 +155,7 @@ config IOMMU_DEBUG
bool "Enable IOMMU debugging"
depends on GART_IOMMU && DEBUG_KERNEL
depends on X86_64
help
---help---
Force the IOMMU to on even when you have less than 4GB of
memory and add debugging code. On overflow always panic. And
allow to enable IOMMU leak tracing. Can be disabled at boot
......@@ -170,7 +171,7 @@ config IOMMU_LEAK
bool "IOMMU leak tracing"
depends on DEBUG_KERNEL
depends on IOMMU_DEBUG
help
---help---
Add a simple leak tracer to the IOMMU code. This is useful when you
are debugging a buggy device driver that leaks IOMMU mappings.
......@@ -203,25 +204,25 @@ choice
config IO_DELAY_0X80
bool "port 0x80 based port-IO delay [recommended]"
help
---help---
This is the traditional Linux IO delay used for in/out_p.
It is the most tested hence safest selection here.
config IO_DELAY_0XED
bool "port 0xed based port-IO delay"
help
---help---
Use port 0xed as the IO delay. This frees up port 0x80 which is
often used as a hardware-debug port.
config IO_DELAY_UDELAY
bool "udelay based port-IO delay"
help
---help---
Use udelay(2) as the IO delay method. This provides the delay
while not having any side-effect on the IO port space.
config IO_DELAY_NONE
bool "no port-IO delay"
help
---help---
No port-IO delay. Will break on old boxes that require port-IO
delay for certain operations. Should work on most new machines.
......@@ -255,18 +256,18 @@ config DEBUG_BOOT_PARAMS
bool "Debug boot parameters"
depends on DEBUG_KERNEL
depends on DEBUG_FS
help
---help---
This option will cause struct boot_params to be exported via debugfs.
config CPA_DEBUG
bool "CPA self-test code"
depends on DEBUG_KERNEL
help
---help---
Do change_page_attr() self-tests every 30 seconds.
config OPTIMIZE_INLINING
bool "Allow gcc to uninline functions marked 'inline'"
help
---help---
This option determines if the kernel forces gcc to inline the functions
developers have marked 'inline'. Doing so takes away freedom from gcc to
do what it thinks is best, which is desirable for the gcc 3.x series of
......@@ -279,4 +280,3 @@ config OPTIMIZE_INLINING
If unsure, say N.
endmenu
arch/x86/Makefile
浏览文件 @ 7c730ccd
......@@ -70,14 +70,17 @@ else
# this works around some issues with generating unwind tables in older gccs
# newer gccs do it by default
KBUILD_CFLAGS += -maccumulate-outgoing-args
endif
stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh
stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \
"$(CC)" -fstack-protector )
stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \
"$(CC)" -fstack-protector-all )
KBUILD_CFLAGS += $(stackp-y)
ifdef CONFIG_CC_STACKPROTECTOR
cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC)),y)
stackp-y := -fstack-protector
stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all
KBUILD_CFLAGS += $(stackp-y)
else
$(warning stack protector enabled but no compiler support)
endif
endif
# Stackpointer is addressed different for 32 bit and 64 bit x86
......@@ -102,29 +105,6 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
# prevent gcc from generating any FP code by mistake
KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
###
# Sub architecture support
# fcore-y is linked before mcore-y files.
# Default subarch .c files
mcore-y := arch/x86/mach-default/
# Voyager subarch support
mflags-$(CONFIG_X86_VOYAGER) := -Iarch/x86/include/asm/mach-voyager
mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/
# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic
fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/
# default subarch .h files
mflags-y += -Iarch/x86/include/asm/mach-default
# 64 bit does not support subarch support - clear sub arch variables
fcore-$(CONFIG_X86_64) :=
mcore-$(CONFIG_X86_64) :=
KBUILD_CFLAGS += $(mflags-y)
KBUILD_AFLAGS += $(mflags-y)
......@@ -150,9 +130,6 @@ core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
core-y += arch/x86/kernel/
core-y += arch/x86/mm/
# Remaining sub architecture files
core-y += $(mcore-y)
core-y += arch/x86/crypto/
core-y += arch/x86/vdso/
core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
......
arch/x86/boot/Makefile
浏览文件 @ 7c730ccd
......@@ -32,7 +32,6 @@ setup-y += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o
setup-y += header.o main.o mca.o memory.o pm.o pmjump.o
setup-y += printf.o string.o tty.o video.o video-mode.o version.o
setup-$(CONFIG_X86_APM_BOOT) += apm.o
setup-$(CONFIG_X86_VOYAGER) += voyager.o
# The link order of the video-*.o modules can matter. In particular,
# video-vga.o *must* be listed first, followed by video-vesa.o.
......
arch/x86/boot/a20.c
浏览文件 @ 7c730ccd
......@@ -2,6 +2,7 @@
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright 2007-2008 rPath, Inc. - All Rights Reserved
* Copyright 2009 Intel Corporation
*
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2.
......@@ -15,16 +16,23 @@
#include "boot.h"
#define MAX_8042_LOOPS 100000
#define MAX_8042_FF 32
static int empty_8042(void)
{
u8 status;
int loops = MAX_8042_LOOPS;
int ffs = MAX_8042_FF;
while (loops--) {
io_delay();
status = inb(0x64);
if (status == 0xff) {
/* FF is a plausible, but very unlikely status */
if (!--ffs)
return -1; /* Assume no KBC present */
}
if (status & 1) {
/* Read and discard input data */
io_delay();
......@@ -118,44 +126,37 @@ static void enable_a20_fast(void)
int enable_a20(void)
{
#if defined(CONFIG_X86_ELAN)
/* Elan croaks if we try to touch the KBC */
enable_a20_fast();
while (!a20_test_long())
;
return 0;
#elif defined(CONFIG_X86_VOYAGER)
/* On Voyager, a20_test() is unsafe? */
enable_a20_kbc();
return 0;
#else
int loops = A20_ENABLE_LOOPS;
while (loops--) {
/* First, check to see if A20 is already enabled
(legacy free, etc.) */
if (a20_test_short())
return 0;
/* Next, try the BIOS (INT 0x15, AX=0x2401) */
enable_a20_bios();
if (a20_test_short())
return 0;
/* Try enabling A20 through the keyboard controller */
empty_8042();
if (a20_test_short())
return 0; /* BIOS worked, but with delayed reaction */
enable_a20_kbc();
if (a20_test_long())
return 0;
/* Finally, try enabling the "fast A20 gate" */
enable_a20_fast();
if (a20_test_long())
return 0;
}
return -1;
#endif
int kbc_err;
while (loops--) {
/* First, check to see if A20 is already enabled
(legacy free, etc.) */
if (a20_test_short())
return 0;
/* Next, try the BIOS (INT 0x15, AX=0x2401) */
enable_a20_bios();
if (a20_test_short())
return 0;
/* Try enabling A20 through the keyboard controller */
kbc_err = empty_8042();
if (a20_test_short())
return 0; /* BIOS worked, but with delayed reaction */
if (!kbc_err) {
enable_a20_kbc();
if (a20_test_long())
return 0;
}
/* Finally, try enabling the "fast A20 gate" */
enable_a20_fast();
if (a20_test_long())
return 0;
}
return -1;
}
arch/x86/boot/boot.h
浏览文件 @ 7c730ccd
......@@ -302,9 +302,6 @@ void probe_cards(int unsafe);
/* video-vesa.c */
void vesa_store_edid(void);
/* voyager.c */
int query_voyager(void);
#endif /* __ASSEMBLY__ */
#endif /* BOOT_BOOT_H */
arch/x86/boot/compressed/Makefile
浏览文件 @ 7c730ccd
......@@ -4,7 +4,7 @@
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o
KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
......@@ -47,18 +47,35 @@ ifeq ($(CONFIG_X86_32),y)
ifdef CONFIG_RELOCATABLE
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,lzma)
else
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
endif
LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
else
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
endif
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
suffix_$(CONFIG_KERNEL_GZIP) = gz
suffix_$(CONFIG_KERNEL_BZIP2) = bz2
suffix_$(CONFIG_KERNEL_LZMA) = lzma
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
$(call if_changed,ld)
arch/x86/boot/compressed/head_32.S
浏览文件 @ 7c730ccd
......@@ -25,14 +25,12 @@
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/page_types.h>
#include <asm/boot.h>
#include <asm/asm-offsets.h>
.section ".text.head","ax",@progbits
.globl startup_32
startup_32:
ENTRY(startup_32)
cld
/* test KEEP_SEGMENTS flag to see if the bootloader is asking
* us to not reload segments */
......@@ -113,6 +111,8 @@ startup_32:
*/
leal relocated(%ebx), %eax
jmp *%eax
ENDPROC(startup_32)
.section ".text"
relocated:
......
arch/x86/boot/compressed/head_64.S
浏览文件 @ 7c730ccd
......@@ -26,8 +26,8 @@
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/pgtable_types.h>
#include <asm/page_types.h>
#include <asm/boot.h>
#include <asm/msr.h>
#include <asm/processor-flags.h>
......@@ -35,9 +35,7 @@
.section ".text.head"
.code32
.globl startup_32
startup_32:
ENTRY(startup_32)
cld
/* test KEEP_SEGMENTS flag to see if the bootloader is asking
* us to not reload segments */
......@@ -176,6 +174,7 @@ startup_32:
/* Jump from 32bit compatibility mode into 64bit mode. */
lret
ENDPROC(startup_32)
no_longmode:
/* This isn't an x86-64 CPU so hang */
......@@ -295,7 +294,6 @@ relocated:
call decompress_kernel
popq %rsi
/*
* Jump to the decompressed kernel.
*/
......
arch/x86/boot/compressed/misc.c
浏览文件 @ 7c730ccd
......@@ -116,71 +116,13 @@
/*
* gzip declarations
*/
#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset((s), 0, (n))
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
/*
* Window size must be at least 32k, and a power of two.
* We don't actually have a window just a huge output buffer,
* so we report a 2G window size, as that should always be
* larger than our output buffer:
*/
#define WSIZE 0x80000000
/* Input buffer: */
static unsigned char *inbuf;
/* Sliding window buffer (and final output buffer): */
static unsigned char *window;
/* Valid bytes in inbuf: */
static unsigned insize;
/* Index of next byte to be processed in inbuf: */
static unsigned inptr;
/* Bytes in output buffer: */
static unsigned outcnt;
/* gzip flag byte */
#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gz file */
#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
#define ORIG_NAM 0x08 /* bit 3 set: original file name present */
#define COMMENT 0x10 /* bit 4 set: file comment present */
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
#define RESERVED 0xC0 /* bit 6, 7: reserved */
#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
/* Diagnostic functions */
#ifdef DEBUG
# define Assert(cond, msg) do { if (!(cond)) error(msg); } while (0)
# define Trace(x) do { fprintf x; } while (0)
# define Tracev(x) do { if (verbose) fprintf x ; } while (0)
# define Tracevv(x) do { if (verbose > 1) fprintf x ; } while (0)
# define Tracec(c, x) do { if (verbose && (c)) fprintf x ; } while (0)
# define Tracecv(c, x) do { if (verbose > 1 && (c)) fprintf x ; } while (0)
#else
# define Assert(cond, msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c, x)
# define Tracecv(c, x)
#endif
static int fill_inbuf(void);
static void flush_window(void);
static void error(char *m);
/*
......@@ -189,13 +131,8 @@ static void error(char *m);
static struct boot_params *real_mode; /* Pointer to real-mode data */
static int quiet;
extern unsigned char input_data[];
extern int input_len;
static long bytes_out;
static void *memset(void *s, int c, unsigned n);
static void *memcpy(void *dest, const void *src, unsigned n);
void *memcpy(void *dest, const void *src, unsigned n);
static void __putstr(int, const char *);
#define putstr(__x) __putstr(0, __x)
......@@ -213,7 +150,17 @@ static char *vidmem;
static int vidport;
static int lines, cols;
#include "../../../../lib/inflate.c"
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
#ifdef CONFIG_KERNEL_BZIP2
#include "../../../../lib/decompress_bunzip2.c"
#endif
#ifdef CONFIG_KERNEL_LZMA
#include "../../../../lib/decompress_unlzma.c"
#endif
static void scroll(void)
{
......@@ -282,7 +229,7 @@ static void *memset(void *s, int c, unsigned n)
return s;
}
static void *memcpy(void *dest, const void *src, unsigned n)
void *memcpy(void *dest, const void *src, unsigned n)
{
int i;
const char *s = src;
......@@ -293,38 +240,6 @@ static void *memcpy(void *dest, const void *src, unsigned n)
return dest;
}
/* ===========================================================================
* Fill the input buffer. This is called only when the buffer is empty
* and at least one byte is really needed.
*/
static int fill_inbuf(void)
{
error("ran out of input data");
return 0;
}
/* ===========================================================================
* Write the output window window[0..outcnt-1] and update crc and bytes_out.
* (Used for the decompressed data only.)
*/
static void flush_window(void)
{
/* With my window equal to my output buffer
* I only need to compute the crc here.
*/
unsigned long c = crc; /* temporary variable */
unsigned n;
unsigned char *in, ch;
in = window;
for (n = 0; n < outcnt; n++) {
ch = *in++;
c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
}
crc = c;
bytes_out += (unsigned long)outcnt;
outcnt = 0;
}
static void error(char *x)
{
......@@ -407,12 +322,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
lines = real_mode->screen_info.orig_video_lines;
cols = real_mode->screen_info.orig_video_cols;
window = output; /* Output buffer (Normally at 1M) */
free_mem_ptr = heap; /* Heap */
free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
inbuf = input_data; /* Input buffer */
insize = input_len;
inptr = 0;
#ifdef CONFIG_X86_64
if ((unsigned long)output & (__KERNEL_ALIGN - 1))
......@@ -430,10 +341,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
#endif
#endif
makecrc();
if (!quiet)
putstr("\nDecompressing Linux... ");
gunzip();
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
parse_elf(output);
if (!quiet)
putstr("done.\nBooting the kernel.\n");
......
arch/x86/boot/copy.S
浏览文件 @ 7c730ccd
......@@ -8,6 +8,8 @@
*
* ----------------------------------------------------------------------- */
#include <linux/linkage.h>
/*
* Memory copy routines
*/
......@@ -15,9 +17,7 @@
.code16gcc
.text
.globl memcpy
.type memcpy, @function
memcpy:
GLOBAL(memcpy)
pushw %si
pushw %di
movw %ax, %di
......@@ -31,11 +31,9 @@ memcpy:
popw %di
popw %si
ret
.size memcpy, .-memcpy
ENDPROC(memcpy)
.globl memset
.type memset, @function
memset:
GLOBAL(memset)
pushw %di
movw %ax, %di
movzbl %dl, %eax
......@@ -48,52 +46,42 @@ memset:
rep; stosb
popw %di
ret
.size memset, .-memset
ENDPROC(memset)
.globl copy_from_fs
.type copy_from_fs, @function
copy_from_fs:
GLOBAL(copy_from_fs)
pushw %ds
pushw %fs
popw %ds
call memcpy
popw %ds
ret
.size copy_from_fs, .-copy_from_fs
ENDPROC(copy_from_fs)
.globl copy_to_fs
.type copy_to_fs, @function
copy_to_fs:
GLOBAL(copy_to_fs)
pushw %es
pushw %fs
popw %es
call memcpy
popw %es
ret
.size copy_to_fs, .-copy_to_fs
ENDPROC(copy_to_fs)
#if 0 /* Not currently used, but can be enabled as needed */
.globl copy_from_gs
.type copy_from_gs, @function
copy_from_gs:
GLOBAL(copy_from_gs)
pushw %ds
pushw %gs
popw %ds
call memcpy
popw %ds
ret
.size copy_from_gs, .-copy_from_gs
.globl copy_to_gs
ENDPROC(copy_from_gs)
.type copy_to_gs, @function
copy_to_gs:
GLOBAL(copy_to_gs)
pushw %es
pushw %gs
popw %es
call memcpy
popw %es
ret
.size copy_to_gs, .-copy_to_gs
ENDPROC(copy_to_gs)
#endif
arch/x86/boot/header.S
浏览文件 @ 7c730ccd
......@@ -19,7 +19,7 @@
#include <linux/utsrelease.h>
#include <asm/boot.h>
#include <asm/e820.h>
#include <asm/page.h>
#include <asm/page_types.h>
#include <asm/setup.h>
#include "boot.h"
#include "offsets.h"
......
arch/x86/boot/main.c
浏览文件 @ 7c730ccd
......@@ -149,11 +149,6 @@ void main(void)
/* Query MCA information */
query_mca();
/* Voyager */
#ifdef CONFIG_X86_VOYAGER
query_voyager();
#endif
/* Query Intel SpeedStep (IST) information */
query_ist();
......
arch/x86/boot/pmjump.S
浏览文件 @ 7c730ccd
......@@ -15,18 +15,15 @@
#include <asm/boot.h>
#include <asm/processor-flags.h>
#include <asm/segment.h>
#include <linux/linkage.h>
.text
.globl protected_mode_jump
.type protected_mode_jump, @function
.code16
/*
* void protected_mode_jump(u32 entrypoint, u32 bootparams);
*/
protected_mode_jump:
GLOBAL(protected_mode_jump)
movl %edx, %esi # Pointer to boot_params table
xorl %ebx, %ebx
......@@ -47,12 +44,10 @@ protected_mode_jump:
.byte 0x66, 0xea # ljmpl opcode
2: .long in_pm32 # offset
.word __BOOT_CS # segment
.size protected_mode_jump, .-protected_mode_jump
ENDPROC(protected_mode_jump)
.code32
.type in_pm32, @function
in_pm32:
GLOBAL(in_pm32)
# Set up data segments for flat 32-bit mode
movl %ecx, %ds
movl %ecx, %es
......@@ -78,5 +73,4 @@ in_pm32:
lldt %cx
jmpl *%eax # Jump to the 32-bit entrypoint
.size in_pm32, .-in_pm32
ENDPROC(in_pm32)
arch/x86/boot/voyager.c 已删除 100644 → 0
浏览文件 @ 8d735b41
/* -*- linux-c -*- ------------------------------------------------------- *
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright 2007 rPath, Inc. - All Rights Reserved
*
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2.
*
* ----------------------------------------------------------------------- */
/*
* Get the Voyager config information
*/
#include "boot.h"
int query_voyager(void)
{
u8 err;
u16 es, di;
/* Abuse the apm_bios_info area for this */
u8 *data_ptr = (u8 *)&boot_params.apm_bios_info;
data_ptr[0] = 0xff; /* Flag on config not found(?) */
asm("pushw %%es ; "
"int $0x15 ; "
"setc %0 ; "
"movw %%es, %1 ; "
"popw %%es"
: "=q" (err), "=r" (es), "=D" (di)
: "a" (0xffc0));
if (err)
return -1; /* Not Voyager */
set_fs(es);
copy_from_fs(data_ptr, di, 7); /* Table is 7 bytes apparently */
return 0;
}
arch/x86/configs/i386_defconfig
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/configs/x86_64_defconfig
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/ia32/ia32_signal.c
浏览文件 @ 7c730ccd
......@@ -33,8 +33,6 @@
#include <asm/sigframe.h>
#include <asm/sys_ia32.h>
#define DEBUG_SIG 0
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | \
......@@ -46,78 +44,83 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
{
int err;
int err = 0;
if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
return -EFAULT;
/* If you change siginfo_t structure, please make sure that
this code is fixed accordingly.
It should never copy any pad contained in the structure
to avoid security leaks, but must copy the generic
3 ints plus the relevant union member. */
err = __put_user(from->si_signo, &to->si_signo);
err |= __put_user(from->si_errno, &to->si_errno);
err |= __put_user((short)from->si_code, &to->si_code);
if (from->si_code < 0) {
err |= __put_user(from->si_pid, &to->si_pid);
err |= __put_user(from->si_uid, &to->si_uid);
err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
} else {
/*
* First 32bits of unions are always present:
* si_pid === si_band === si_tid === si_addr(LS half)
*/
err |= __put_user(from->_sifields._pad[0],
&to->_sifields._pad[0]);
switch (from->si_code >> 16) {
case __SI_FAULT >> 16:
break;
case __SI_CHLD >> 16:
err |= __put_user(from->si_utime, &to->si_utime);
err |= __put_user(from->si_stime, &to->si_stime);
err |= __put_user(from->si_status, &to->si_status);
/* FALL THROUGH */
default:
case __SI_KILL >> 16:
err |= __put_user(from->si_uid, &to->si_uid);
break;
case __SI_POLL >> 16:
err |= __put_user(from->si_fd, &to->si_fd);
break;
case __SI_TIMER >> 16:
err |= __put_user(from->si_overrun, &to->si_overrun);
err |= __put_user(ptr_to_compat(from->si_ptr),
&to->si_ptr);
break;
/* This is not generated by the kernel as of now. */
case __SI_RT >> 16:
case __SI_MESGQ >> 16:
err |= __put_user(from->si_uid, &to->si_uid);
err |= __put_user(from->si_int, &to->si_int);
break;
put_user_try {
/* If you change siginfo_t structure, please make sure that
this code is fixed accordingly.
It should never copy any pad contained in the structure
to avoid security leaks, but must copy the generic
3 ints plus the relevant union member. */
put_user_ex(from->si_signo, &to->si_signo);
put_user_ex(from->si_errno, &to->si_errno);
put_user_ex((short)from->si_code, &to->si_code);
if (from->si_code < 0) {
put_user_ex(from->si_pid, &to->si_pid);
put_user_ex(from->si_uid, &to->si_uid);
put_user_ex(ptr_to_compat(from->si_ptr), &to->si_ptr);
} else {
/*
* First 32bits of unions are always present:
* si_pid === si_band === si_tid === si_addr(LS half)
*/
put_user_ex(from->_sifields._pad[0],
&to->_sifields._pad[0]);
switch (from->si_code >> 16) {
case __SI_FAULT >> 16:
break;
case __SI_CHLD >> 16:
put_user_ex(from->si_utime, &to->si_utime);
put_user_ex(from->si_stime, &to->si_stime);
put_user_ex(from->si_status, &to->si_status);
/* FALL THROUGH */
default:
case __SI_KILL >> 16:
put_user_ex(from->si_uid, &to->si_uid);
break;
case __SI_POLL >> 16:
put_user_ex(from->si_fd, &to->si_fd);
break;
case __SI_TIMER >> 16:
put_user_ex(from->si_overrun, &to->si_overrun);
put_user_ex(ptr_to_compat(from->si_ptr),
&to->si_ptr);
break;
/* This is not generated by the kernel as of now. */
case __SI_RT >> 16:
case __SI_MESGQ >> 16:
put_user_ex(from->si_uid, &to->si_uid);
put_user_ex(from->si_int, &to->si_int);
break;
}
}
}
} put_user_catch(err);
return err;
}
int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
{
int err;
int err = 0;
u32 ptr32;
if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
return -EFAULT;
err = __get_user(to->si_signo, &from->si_signo);
err |= __get_user(to->si_errno, &from->si_errno);
err |= __get_user(to->si_code, &from->si_code);
get_user_try {
get_user_ex(to->si_signo, &from->si_signo);
get_user_ex(to->si_errno, &from->si_errno);
get_user_ex(to->si_code, &from->si_code);
err |= __get_user(to->si_pid, &from->si_pid);
err |= __get_user(to->si_uid, &from->si_uid);
err |= __get_user(ptr32, &from->si_ptr);
to->si_ptr = compat_ptr(ptr32);
get_user_ex(to->si_pid, &from->si_pid);
get_user_ex(to->si_uid, &from->si_uid);
get_user_ex(ptr32, &from->si_ptr);
to->si_ptr = compat_ptr(ptr32);
} get_user_catch(err);
return err;
}
......@@ -142,17 +145,23 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
struct pt_regs *regs)
{
stack_t uss, uoss;
int ret;
int ret, err = 0;
mm_segment_t seg;
if (uss_ptr) {
u32 ptr;
memset(&uss, 0, sizeof(stack_t));
if (!access_ok(VERIFY_READ, uss_ptr, sizeof(stack_ia32_t)) ||
__get_user(ptr, &uss_ptr->ss_sp) ||
__get_user(uss.ss_flags, &uss_ptr->ss_flags) ||
__get_user(uss.ss_size, &uss_ptr->ss_size))
if (!access_ok(VERIFY_READ, uss_ptr, sizeof(stack_ia32_t)))
return -EFAULT;
get_user_try {
get_user_ex(ptr, &uss_ptr->ss_sp);
get_user_ex(uss.ss_flags, &uss_ptr->ss_flags);
get_user_ex(uss.ss_size, &uss_ptr->ss_size);
} get_user_catch(err);
if (err)
return -EFAULT;
uss.ss_sp = compat_ptr(ptr);
}
......@@ -161,10 +170,16 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->sp);
set_fs(seg);
if (ret >= 0 && uoss_ptr) {
if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)) ||
__put_user(ptr_to_compat(uoss.ss_sp), &uoss_ptr->ss_sp) ||
__put_user(uoss.ss_flags, &uoss_ptr->ss_flags) ||
__put_user(uoss.ss_size, &uoss_ptr->ss_size))
if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)))
return -EFAULT;
put_user_try {
put_user_ex(ptr_to_compat(uoss.ss_sp), &uoss_ptr->ss_sp);
put_user_ex(uoss.ss_flags, &uoss_ptr->ss_flags);
put_user_ex(uoss.ss_size, &uoss_ptr->ss_size);
} put_user_catch(err);
if (err)
ret = -EFAULT;
}
return ret;
......@@ -173,75 +188,78 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
/*
* Do a signal return; undo the signal stack.
*/
#define loadsegment_gs(v) load_gs_index(v)
#define loadsegment_fs(v) loadsegment(fs, v)
#define loadsegment_ds(v) loadsegment(ds, v)
#define loadsegment_es(v) loadsegment(es, v)
#define get_user_seg(seg) ({ unsigned int v; savesegment(seg, v); v; })
#define set_user_seg(seg, v) loadsegment_##seg(v)
#define COPY(x) { \
err |= __get_user(regs->x, &sc->x); \
get_user_ex(regs->x, &sc->x); \
}
#define COPY_SEG_CPL3(seg) { \
unsigned short tmp; \
err |= __get_user(tmp, &sc->seg); \
regs->seg = tmp | 3; \
}
#define GET_SEG(seg) ({ \
unsigned short tmp; \
get_user_ex(tmp, &sc->seg); \
tmp; \
})
#define COPY_SEG_CPL3(seg) do { \
regs->seg = GET_SEG(seg) | 3; \
} while (0)
#define RELOAD_SEG(seg) { \
unsigned int cur, pre; \
err |= __get_user(pre, &sc->seg); \
savesegment(seg, cur); \
unsigned int pre = GET_SEG(seg); \
unsigned int cur = get_user_seg(seg); \
pre |= 3; \
if (pre != cur) \
loadsegment(seg, pre); \
set_user_seg(seg, pre); \
}
static int ia32_restore_sigcontext(struct pt_regs *regs,
struct sigcontext_ia32 __user *sc,
unsigned int *pax)
{
unsigned int tmpflags, gs, oldgs, err = 0;
unsigned int tmpflags, err = 0;
void __user *buf;
u32 tmp;
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
#if DEBUG_SIG
printk(KERN_DEBUG "SIG restore_sigcontext: "
"sc=%p err(%x) eip(%x) cs(%x) flg(%x)\n",
sc, sc->err, sc->ip, sc->cs, sc->flags);
#endif
/*
* Reload fs and gs if they have changed in the signal
* handler. This does not handle long fs/gs base changes in
* the handler, but does not clobber them at least in the
* normal case.
*/
err |= __get_user(gs, &sc->gs);
gs |= 3;
savesegment(gs, oldgs);
if (gs != oldgs)
load_gs_index(gs);
RELOAD_SEG(fs);
RELOAD_SEG(ds);
RELOAD_SEG(es);
COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
COPY(dx); COPY(cx); COPY(ip);
/* Don't touch extended registers */
COPY_SEG_CPL3(cs);
COPY_SEG_CPL3(ss);
err |= __get_user(tmpflags, &sc->flags);
regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
/* disable syscall checks */
regs->orig_ax = -1;
err |= __get_user(tmp, &sc->fpstate);
buf = compat_ptr(tmp);
err |= restore_i387_xstate_ia32(buf);
err |= __get_user(*pax, &sc->ax);
get_user_try {
/*
* Reload fs and gs if they have changed in the signal
* handler. This does not handle long fs/gs base changes in
* the handler, but does not clobber them at least in the
* normal case.
*/
RELOAD_SEG(gs);
RELOAD_SEG(fs);
RELOAD_SEG(ds);
RELOAD_SEG(es);
COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
COPY(dx); COPY(cx); COPY(ip);
/* Don't touch extended registers */
COPY_SEG_CPL3(cs);
COPY_SEG_CPL3(ss);
get_user_ex(tmpflags, &sc->flags);
regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
/* disable syscall checks */
regs->orig_ax = -1;
get_user_ex(tmp, &sc->fpstate);
buf = compat_ptr(tmp);
err |= restore_i387_xstate_ia32(buf);
get_user_ex(*pax, &sc->ax);
} get_user_catch(err);
return err;
}
......@@ -317,38 +335,36 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
void __user *fpstate,
struct pt_regs *regs, unsigned int mask)
{
int tmp, err = 0;
savesegment(gs, tmp);
err |= __put_user(tmp, (unsigned int __user *)&sc->gs);
savesegment(fs, tmp);
err |= __put_user(tmp, (unsigned int __user *)&sc->fs);
savesegment(ds, tmp);
err |= __put_user(tmp, (unsigned int __user *)&sc->ds);
savesegment(es, tmp);
err |= __put_user(tmp, (unsigned int __user *)&sc->es);
err |= __put_user(regs->di, &sc->di);
err |= __put_user(regs->si, &sc->si);
err |= __put_user(regs->bp, &sc->bp);
err |= __put_user(regs->sp, &sc->sp);
err |= __put_user(regs->bx, &sc->bx);
err |= __put_user(regs->dx, &sc->dx);
err |= __put_user(regs->cx, &sc->cx);
err |= __put_user(regs->ax, &sc->ax);
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
err |= __put_user(regs->ip, &sc->ip);
err |= __put_user(regs->cs, (unsigned int __user *)&sc->cs);
err |= __put_user(regs->flags, &sc->flags);
err |= __put_user(regs->sp, &sc->sp_at_signal);
err |= __put_user(regs->ss, (unsigned int __user *)&sc->ss);
err |= __put_user(ptr_to_compat(fpstate), &sc->fpstate);
/* non-iBCS2 extensions.. */
err |= __put_user(mask, &sc->oldmask);
err |= __put_user(current->thread.cr2, &sc->cr2);
int err = 0;
put_user_try {
put_user_ex(get_user_seg(gs), (unsigned int __user *)&sc->gs);
put_user_ex(get_user_seg(fs), (unsigned int __user *)&sc->fs);
put_user_ex(get_user_seg(ds), (unsigned int __user *)&sc->ds);
put_user_ex(get_user_seg(es), (unsigned int __user *)&sc->es);
put_user_ex(regs->di, &sc->di);
put_user_ex(regs->si, &sc->si);
put_user_ex(regs->bp, &sc->bp);
put_user_ex(regs->sp, &sc->sp);
put_user_ex(regs->bx, &sc->bx);
put_user_ex(regs->dx, &sc->dx);
put_user_ex(regs->cx, &sc->cx);
put_user_ex(regs->ax, &sc->ax);
put_user_ex(current->thread.trap_no, &sc->trapno);
put_user_ex(current->thread.error_code, &sc->err);
put_user_ex(regs->ip, &sc->ip);
put_user_ex(regs->cs, (unsigned int __user *)&sc->cs);
put_user_ex(regs->flags, &sc->flags);
put_user_ex(regs->sp, &sc->sp_at_signal);
put_user_ex(regs->ss, (unsigned int __user *)&sc->ss);
put_user_ex(ptr_to_compat(fpstate), &sc->fpstate);
/* non-iBCS2 extensions.. */
put_user_ex(mask, &sc->oldmask);
put_user_ex(current->thread.cr2, &sc->cr2);
} put_user_catch(err);
return err;
}
......@@ -437,13 +453,17 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
else
restorer = &frame->retcode;
}
err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
/*
* These are actually not used anymore, but left because some
* gdb versions depend on them as a marker.
*/
err |= __put_user(*((u64 *)&code), (u64 *)frame->retcode);
put_user_try {
put_user_ex(ptr_to_compat(restorer), &frame->pretcode);
/*
* These are actually not used anymore, but left because some
* gdb versions depend on them as a marker.
*/
put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
} put_user_catch(err);
if (err)
return -EFAULT;
......@@ -462,11 +482,6 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
regs->cs = __USER32_CS;
regs->ss = __USER32_DS;
#if DEBUG_SIG
printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
current->comm, current->pid, frame, regs->ip, frame->pretcode);
#endif
return 0;
}
......@@ -496,41 +511,40 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT;
err |= __put_user(sig, &frame->sig);
err |= __put_user(ptr_to_compat(&frame->info), &frame->pinfo);
err |= __put_user(ptr_to_compat(&frame->uc), &frame->puc);
err |= copy_siginfo_to_user32(&frame->info, info);
if (err)
return -EFAULT;
put_user_try {
put_user_ex(sig, &frame->sig);
put_user_ex(ptr_to_compat(&frame->info), &frame->pinfo);
put_user_ex(ptr_to_compat(&frame->uc), &frame->puc);
err |= copy_siginfo_to_user32(&frame->info, info);
/* Create the ucontext. */
if (cpu_has_xsave)
err |= __put_user(UC_FP_XSTATE, &frame->uc.uc_flags);
else
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(0, &frame->uc.uc_link);
err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
err |= __put_user(sas_ss_flags(regs->sp),
&frame->uc.uc_stack.ss_flags);
err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, fpstate,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err)
return -EFAULT;
/* Create the ucontext. */
if (cpu_has_xsave)
put_user_ex(UC_FP_XSTATE, &frame->uc.uc_flags);
else
put_user_ex(0, &frame->uc.uc_flags);
put_user_ex(0, &frame->uc.uc_link);
put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
put_user_ex(sas_ss_flags(regs->sp),
&frame->uc.uc_stack.ss_flags);
put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, fpstate,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (ka->sa.sa_flags & SA_RESTORER)
restorer = ka->sa.sa_restorer;
else
restorer = VDSO32_SYMBOL(current->mm->context.vdso,
rt_sigreturn);
put_user_ex(ptr_to_compat(restorer), &frame->pretcode);
/*
* Not actually used anymore, but left because some gdb
* versions need it.
*/
put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
} put_user_catch(err);
if (ka->sa.sa_flags & SA_RESTORER)
restorer = ka->sa.sa_restorer;
else
restorer = VDSO32_SYMBOL(current->mm->context.vdso,
rt_sigreturn);
err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
/*
* Not actually used anymore, but left because some gdb
* versions need it.
*/
err |= __put_user(*((u64 *)&code), (u64 *)frame->retcode);
if (err)
return -EFAULT;
......@@ -549,10 +563,5 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->cs = __USER32_CS;
regs->ss = __USER32_DS;
#if DEBUG_SIG
printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
current->comm, current->pid, frame, regs->ip, frame->pretcode);
#endif
return 0;
}
arch/x86/ia32/ia32entry.S
浏览文件 @ 7c730ccd
......@@ -112,8 +112,8 @@ ENTRY(ia32_sysenter_target)
CFI_DEF_CFA rsp,0
CFI_REGISTER rsp,rbp
SWAPGS_UNSAFE_STACK
movq %gs:pda_kernelstack, %rsp
addq $(PDA_STACKOFFSET),%rsp
movq PER_CPU_VAR(kernel_stack), %rsp
addq $(KERNEL_STACK_OFFSET),%rsp
/*
* No need to follow this irqs on/off section: the syscall
* disabled irqs, here we enable it straight after entry:
......@@ -273,13 +273,13 @@ ENDPROC(ia32_sysenter_target)
ENTRY(ia32_cstar_target)
CFI_STARTPROC32 simple
CFI_SIGNAL_FRAME
CFI_DEF_CFA rsp,PDA_STACKOFFSET
CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
CFI_REGISTER rip,rcx
/*CFI_REGISTER rflags,r11*/
SWAPGS_UNSAFE_STACK
movl %esp,%r8d
CFI_REGISTER rsp,r8
movq %gs:pda_kernelstack,%rsp
movq PER_CPU_VAR(kernel_stack),%rsp
/*
* No need to follow this irqs on/off section: the syscall
* disabled irqs and here we enable it straight after entry:
......
arch/x86/include/asm/a.out-core.h
浏览文件 @ 7c730ccd
......@@ -55,7 +55,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
dump->regs.ds = (u16)regs->ds;
dump->regs.es = (u16)regs->es;
dump->regs.fs = (u16)regs->fs;
savesegment(gs, dump->regs.gs);
dump->regs.gs = get_user_gs(regs);
dump->regs.orig_ax = regs->orig_ax;
dump->regs.ip = regs->ip;
dump->regs.cs = (u16)regs->cs;
......
arch/x86/include/asm/acpi.h
浏览文件 @ 7c730ccd
......@@ -102,9 +102,6 @@ static inline void disable_acpi(void)
acpi_noirq = 1;
}
/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
#define FIX_ACPI_PAGES 4
extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
......
arch/x86/include/asm/apic.h
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/apicnum.h 0 → 100644
浏览文件 @ 7c730ccd
#ifndef _ASM_X86_APICNUM_H
#define _ASM_X86_APICNUM_H
/* define MAX_IO_APICS */
#ifdef CONFIG_X86_32
# define MAX_IO_APICS 64
#else
# define MAX_IO_APICS 128
# define MAX_LOCAL_APIC 32768
#endif
#endif /* _ASM_X86_APICNUM_H */
arch/x86/include/asm/arch_hooks.h 已删除 100644 → 0
浏览文件 @ 8d735b41
#ifndef _ASM_X86_ARCH_HOOKS_H
#define _ASM_X86_ARCH_HOOKS_H
#include <linux/interrupt.h>
/*
* linux/include/asm/arch_hooks.h
*
* define the architecture specific hooks
*/
/* these aren't arch hooks, they are generic routines
* that can be used by the hooks */
extern void init_ISA_irqs(void);
extern irqreturn_t timer_interrupt(int irq, void *dev_id);
/* these are the defined hooks */
extern void intr_init_hook(void);
extern void pre_intr_init_hook(void);
extern void pre_setup_arch_hook(void);
extern void trap_init_hook(void);
extern void pre_time_init_hook(void);
extern void time_init_hook(void);
extern void mca_nmi_hook(void);
#endif /* _ASM_X86_ARCH_HOOKS_H */
arch/x86/include/asm/bigsmp/apic.h 已删除 100644 → 0
浏览文件 @ 8d735b41
#ifndef __ASM_MACH_APIC_H
#define __ASM_MACH_APIC_H
#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
#define esr_disable (1)
static inline int apic_id_registered(void)
{
return (1);
}
static inline const cpumask_t *target_cpus(void)
{
#ifdef CONFIG_SMP
return &cpu_online_map;
#else
return &cpumask_of_cpu(0);
#endif
}
#undef APIC_DEST_LOGICAL
#define APIC_DEST_LOGICAL 0
#define APIC_DFR_VALUE (APIC_DFR_FLAT)
#define INT_DELIVERY_MODE (dest_Fixed)
#define INT_DEST_MODE (0) /* phys delivery to target proc */
#define NO_BALANCE_IRQ (0)
static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
{
return (0);
}
static inline unsigned long check_apicid_present(int bit)
{
return (1);
}
static inline unsigned long calculate_ldr(int cpu)
{
unsigned long val, id;
val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
id = xapic_phys_to_log_apicid(cpu);
val |= SET_APIC_LOGICAL_ID(id);
return val;
}
/*
* Set up the logical destination ID.
*
* Intel recommends to set DFR, LDR and TPR before enabling
* an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
* document number 292116). So here it goes...
*/
static inline void init_apic_ldr(void)
{
unsigned long val;
int cpu = smp_processor_id();
apic_write(APIC_DFR, APIC_DFR_VALUE);
val = calculate_ldr(cpu);
apic_write(APIC_LDR, val);
}
static inline void setup_apic_routing(void)
{
printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
"Physflat", nr_ioapics);
}
static inline int multi_timer_check(int apic, int irq)
{
return (0);
}
static inline int apicid_to_node(int logical_apicid)
{
return apicid_2_node[hard_smp_processor_id()];
}
static inline int cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < nr_cpu_ids)
return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
return BAD_APICID;
}
static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
{
return physid_mask_of_physid(phys_apicid);
}
extern u8 cpu_2_logical_apicid[];
/* Mapping from cpu number to logical apicid */
static inline int cpu_to_logical_apicid(int cpu)
{
if (cpu >= nr_cpu_ids)
return BAD_APICID;
return cpu_physical_id(cpu);
}
static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
{
/* For clustered we don't have a good way to do this yet - hack */
return physids_promote(0xFFL);
}
static inline void setup_portio_remap(void)
{
}
static inline void enable_apic_mode(void)
{
}
static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
{
return (1);
}
/* As we are using single CPU as destination, pick only one CPU here */
static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask)
{
int cpu;
int apicid;
cpu = first_cpu(*cpumask);
apicid = cpu_to_logical_apicid(cpu);
return apicid;
}
static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask)
{
int cpu;
/*
* We're using fixed IRQ delivery, can only return one phys APIC ID.
* May as well be the first.
*/
for_each_cpu_and(cpu, cpumask, andmask)
if (cpumask_test_cpu(cpu, cpu_online_mask))
break;
if (cpu < nr_cpu_ids)
return cpu_to_logical_apicid(cpu);
return BAD_APICID;
}
static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
#endif /* __ASM_MACH_APIC_H */
arch/x86/include/asm/bigsmp/apicdef.h 已删除 100644 → 0
浏览文件 @ 8d735b41
#ifndef __ASM_MACH_APICDEF_H
#define __ASM_MACH_APICDEF_H
#define APIC_ID_MASK (0xFF<<24)
static inline unsigned get_apic_id(unsigned long x)
{
return (((x)>>24)&0xFF);
}
#define GET_APIC_ID(x) get_apic_id(x)
#endif
arch/x86/include/asm/bigsmp/ipi.h 已删除 100644 → 0
浏览文件 @ 8d735b41
#ifndef __ASM_MACH_IPI_H
#define __ASM_MACH_IPI_H
void send_IPI_mask_sequence(const struct cpumask *mask, int vector);
void send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
static inline void send_IPI_mask(const struct cpumask *mask, int vector)
{
send_IPI_mask_sequence(mask, vector);
}
static inline void send_IPI_allbutself(int vector)
{
send_IPI_mask_allbutself(cpu_online_mask, vector);
}
static inline void send_IPI_all(int vector)
{
send_IPI_mask(cpu_online_mask, vector);
}
#endif /* __ASM_MACH_IPI_H */
arch/x86/include/asm/boot.h
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/cacheflush.h
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/calling.h
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/cpu.h
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/cpumask.h 0 → 100644
浏览文件 @ 7c730ccd
此差异已折叠。
arch/x86/include/asm/current.h
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#ifndef __ASM_ES7000_APICDEF_H
#define __ASM_ES7000_APICDEF_H
#define APIC_ID_MASK (0xFF<<24)
static inline unsigned get_apic_id(unsigned long x)
{
return (((x)>>24)&0xFF);
}
#define GET_APIC_ID(x) get_apic_id(x)
#endif
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drivers/misc/sgi-gru/grufile.c
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drivers/net/ne3210.c
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drivers/net/sfc/efx.c
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drivers/net/sfc/falcon.c
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drivers/net/wireless/arlan-main.c
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drivers/oprofile/buffer_sync.c
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drivers/oprofile/oprof.c
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drivers/pci/dmar.c
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drivers/pci/intr_remapping.c
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drivers/watchdog/rdc321x_wdt.c
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drivers/xen/events.c
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drivers/xen/manage.c
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include/acpi/acpiosxf.h
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include/acpi/acpixf.h
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include/asm-generic/vmlinux.lds.h
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include/linux/acpi.h
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include/linux/bootmem.h
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include/linux/smp.h
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include/linux/topology.h
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include/linux/vmalloc.h
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init/Kconfig
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init/do_mounts_rd.c
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init/main.c
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kernel/irq/chip.c
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kernel/irq/handle.c
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kernel/irq/internals.h
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kernel/irq/manage.c
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kernel/irq/migration.c
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kernel/irq/numa_migrate.c
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kernel/irq/proc.c
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kernel/kexec.c
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kernel/module.c
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kernel/sched.c
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kernel/softirq.c
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kernel/stop_machine.c
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lib/Kconfig
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lib/Makefile
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lib/decompress_bunzip2.c 0 → 100644
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lib/zlib_inflate/inflate.h
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lib/zlib_inflate/inftrees.h
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mm/Makefile
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mm/allocpercpu.c
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mm/bootmem.c
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mm/filemap.c
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mm/vmalloc.c
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net/ipv4/af_inet.c
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scripts/gen_initramfs_list.sh
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scripts/mod/modpost.c
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usr/Kconfig
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usr/Makefile
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