- 08 7月, 2008 10 次提交
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由 Jeremy Fitzhardinge 提交于
Without this patch, my link fails with: arch/x86/kernel/built-in.o(.cpuinit.text+0x3c6e): In function `get_local_pda': : undefined reference to `_cpu_pda' arch/x86/kernel/built-in.o(.cpuinit.text+0x3cd1): In function `get_local_pda': : undefined reference to `after_bootmem' arch/x86/kernel/built-in.o(.cpuinit.text+0x3cec): In function `get_local_pda': : undefined reference to `_cpu_pda' make[2]: *** [.tmp_vmlinux1] Error 1 Caused by commit 766da892634694f795b18b9538407816896fc470 x86: remove static boot_cpu_pda array v2 Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
Ingo Molnar wrote: ... > they crashed after about 3 randconfig iterations with: > > early res: 4 [8000-afff] PGTABLE > early res: 5 [b000-b87f] MEMNODEMAP > PANIC: early exception 0e rip 10:ffffffff8077a150 error 2 cr2 37 > Pid: 0, comm: swapper Not tainted 2.6.25-sched-devel.git-x86-latest.git #14 > > Call Trace: > [<ffffffff81466196>] early_idt_handler+0x56/0x6a > [<ffffffff8077a150>] ? numa_set_node+0x30/0x60 > [<ffffffff8077a129>] ? numa_set_node+0x9/0x60 > [<ffffffff8147a543>] numa_init_array+0x93/0xf0 > [<ffffffff8147b039>] acpi_scan_nodes+0x3b9/0x3f0 > [<ffffffff8147a496>] numa_initmem_init+0x136/0x150 > [<ffffffff8146da5f>] setup_arch+0x48f/0x700 > [<ffffffff802566ea>] ? clockevents_register_notifier+0x3a/0x50 > [<ffffffff81466a87>] start_kernel+0xd7/0x440 > [<ffffffff81466422>] x86_64_start_kernel+0x222/0x280 ... Here's the fixup... This one should follow the previous patches. Thanks, Mike Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
* Remove the boot_cpu_pda array and pointer table from the data section. Allocate the pointer table and array during init. do_boot_cpu() will reallocate the pda in node local memory and if the cpu is being brought up before the bootmem array is released (after_bootmem = 0), then it will free the initial pda. This will happen for all cpus present at system startup. This removes 512k + 32k bytes from the data section. For inclusion into sched-devel/latest tree. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
* Consolidate node_to_cpumask operations and remove the 256k byte node_to_cpumask_map. This is done by allocating the node_to_cpumask_map array after the number of possible nodes (nr_node_ids) is known. * Debug printouts when CONFIG_DEBUG_PER_CPU_MAPS is active have been increased. It now shows faults when calling node_to_cpumask() and node_to_cpumask_ptr(). For inclusion into sched-devel/latest tree. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
* Restore the nodenumber field in the x86_64 pda. This field is slightly different than the x86_cpu_to_node_map mainly because it's a static indication of which node the cpu is on while the cpu to node map is a dyanamic mapping that may get reset if the cpu goes offline. This also simplifies the numa_node_id() macro. For inclusion into sched-devel/latest tree. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
* Introduce a new PER_CPU macro called "EARLY_PER_CPU". This is used by some per_cpu variables that are initialized and accessed before there are per_cpu areas allocated. ["Early" in respect to per_cpu variables is "earlier than the per_cpu areas have been setup".] This patchset adds these new macros: DEFINE_EARLY_PER_CPU(_type, _name, _initvalue) EXPORT_EARLY_PER_CPU_SYMBOL(_name) DECLARE_EARLY_PER_CPU(_type, _name) early_per_cpu_ptr(_name) early_per_cpu_map(_name, _idx) early_per_cpu(_name, _cpu) The DEFINE macro defines the per_cpu variable as well as the early map and pointer. It also initializes the per_cpu variable and map elements to "_initvalue". The early_* macros provide access to the initial map (usually setup during system init) and the early pointer. This pointer is initialized to point to the early map but is then NULL'ed when the actual per_cpu areas are setup. After that the per_cpu variable is the correct access to the variable. The early_per_cpu() macro is not very efficient but does show how to access the variable if you have a function that can be called both "early" and "late". It tests the early ptr to be NULL, and if not then it's still valid. Otherwise, the per_cpu variable is used instead: #define early_per_cpu(_name, _cpu) \ (early_per_cpu_ptr(_name) ? \ early_per_cpu_ptr(_name)[_cpu] : \ per_cpu(_name, _cpu)) A better method is to actually check the pointer manually. In the case below, numa_set_node can be called both "early" and "late": void __cpuinit numa_set_node(int cpu, int node) { int *cpu_to_node_map = early_per_cpu_ptr(x86_cpu_to_node_map); if (cpu_to_node_map) cpu_to_node_map[cpu] = node; else per_cpu(x86_cpu_to_node_map, cpu) = node; } * Add a flag "arch_provides_topology_pointers" that indicates pointers to topology cpumask_t maps are available. Otherwise, use the function returning the cpumask_t value. This is useful if cpumask_t set size is very large to avoid copying data on to/off of the stack. * The coverage of CONFIG_DEBUG_PER_CPU_MAPS has been increased while the non-debug case has been optimized a bit. * Remove an unreferenced compiler warning in drivers/base/topology.c * Clean up #ifdef in setup.c For inclusion into sched-devel/latest tree. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
* Increase the limit of NR_CPUS to 4096 and introduce a boolean called "MAXSMP" which when set (e.g. "allyesconfig"), will set NR_CPUS = 4096 and NODES_SHIFT = 9 (512). * Changed max setting for NODES_SHIFT from 15 to 9 to accurately reflect the real limit. Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Travis 提交于
Mike Travis wrote: > Ingo Molnar wrote: >> * Mike Travis <travis@sgi.com> wrote: >> >>> [Ingo - please replace "PATCH 07/11" with this one.] > >>> * Remove 544k bytes from the kernel by removing the boot_cpu_pda > >>> array from the data section and allocating it during startup. >>> Fixed panic in setup_per_cpu_areas when HOTPLUG_CPU not set. >>> >>> For inclusion into sched-devel/latest tree. >> sched-devel.git randconfig testing found another crash with your queue: >> >> [ 0.111060] Brought up 1 CPUs >> [ 0.111986] Total of 1 processors activated (4022.73 BogoMIPS). >> [ 0.112987] Testing NMI watchdog ... <1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 >> [ 0.114982] IP: [<ffffffff8180d4a0>] check_nmi_watchdog+0xb0/0x210 >> [ 0.114982] PGD 0 >> [ 0.114982] Oops: 0000 [1] SMP >> [ 0.114982] CPU 0 >> [............] >> >> http://redhat.com/~mingo/misc/config-Mon_Apr_28_23_25_25_CEST_2008.bad >> http://redhat.com/~mingo/misc/log-Mon_Apr_28_23_25_25_CEST_2008.bad >> >> Ingo > > Hi Ingo, > > I need a bit more information on your hardware configuration. Building a > kernel with the above config file started up fine on both the Intel and AMD > boxes. > > Based on the above output it looks like it might be a UP machine? ... Ok, I think I found it. In check_nmi_watchdog(): for (cpu = 0; cpu < NR_CPUS; cpu++) prev_nmi_count[cpu] = cpu_pda(cpu)->__nmi_count; As I mentioned it works fine on both of my systems so could you try it out? Thanks! Mike -- * Change function check_nmi_watchdog() to use nr_cpu_ids instead of NR_CPUS. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Yinghai Lu 提交于
also make bus_numa work even if ACPI_NUMA is not defined. don't call pxm_to_node again, and use node directly. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
a numa system (with multi HT chains) may return node without ram. Aka it is not online. Try to get an online node, otherwise return -1. Signed-off-by: NYinghai Lu <yinghai.lu@sun.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 05 7月, 2008 5 次提交
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由 Rafael J. Wysocki 提交于
Since the trampoline code is now used for ACPI resume from suspend to RAM, the trampoline page tables have to be fixed up during boot not only on SMP systems, but also on UP systems that use the trampoline. Reference: http://bugzilla.kernel.org/show_bug.cgi?id=10923Reported-by: NDionisus Torimens <djtm@gmx.net> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Andi Kleen <andi@firstfloor.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: pm list <linux-pm@lists.linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 H. Peter Anvin 提交于
Some Dell laptops enter resume with apparent garbage in the segment descriptor registers (almost certainly the result of a botched transition from protected to real mode.) The only way to clean that up is to enter protected mode ourselves and clean out the descriptor registers. This fixes resume on Dell XPS M1210 and Dell D620. Reference: http://bugzilla.kernel.org/show_bug.cgi?id=10927Signed-off-by: NH. Peter Anvin <hpa@zytor.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: pm list <linux-pm@lists.linux-foundation.org> Cc: Len Brown <lenb@kernel.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Tested-by: NKirill A. Shutemov <kirill@shutemov.name> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Bastian Blank 提交于
The build of the Alpha Linux kernel currently fails[1] with inconsistent kallsyms data. As I never saw that before, I thought about hardware problems. But in fact it is a bug in the Linux kernel. The end of the rodata section is marked with the "__end_rodata" symbol. This symbol have different aligning constraints than the inittext parts and therefor the start marked "_sinittext". Because of that the __end_rodata symbol shifts between < _sinittext and == _sinittext. The later variant is seen as a code symbol and recorded in the kallsyms data. On fix would be to move the exception table a little bit and get some space between that two areas. [1]: http://buildd.debian.org/fetch.cgi?pkg=linux-2.6&arch=alpha&ver=2.6.25-5&stamp=1213919009&file=log&as=raw Cc: maximilian attems <max@stro.at> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Howells 提交于
Provide __ucmpdi2() for MN10300 so that allmodconfig can be built. Signed-off-by: NDavid Howells <dhowells@redhat.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Howells 提交于
Export kernel_thread() and empty_zero_page so that allmodconfig can be built for MN10300. Signed-off-by: NDavid Howells <dhowells@redhat.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 04 7月, 2008 4 次提交
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由 Jeremy Fitzhardinge 提交于
When converting the page number in a pte/pmd/pud/pgd between machine and pseudo-physical addresses, the converted result was being truncated at 32-bits. This caused failures on machines with more than 4G of physical memory. Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: "Christopher S. Aker" <caker@theshore.net> Cc: Ian Campbell <Ian.Campbell@eu.citrix.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Atsushi Nemoto 提交于
The txx9_tmr_init() will not clear a timer counter register in a certain case. The counter register is cleared on 1->0 transition of TCE bit if CRE=1. So just clearing the TCE bit is not enough. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Thomas Bogendoerfer 提交于
The introduction of a real dma cache invalidate makes it important to have a correct cache line size, otherwise the kernel will gives out two memory segment, which might share one cache line. The R4400 Indy/Indigo2 CPU modules are using a second level cache line size of 128 bytes, so MIPS_L1_CACHE_SHIFT needs to be bumped up to 7 for IP22. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Thomas Bogendoerfer 提交于
It's possible that the crime interrupt handler is called without pending interrupts (probably a hardware issue). To avoid irritating "unexpected irq 71" messages, we now just ignore the spurious crime interrupts. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 03 7月, 2008 2 次提交
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由 Andrew Morton 提交于
fix this warning: arch/x86/mm/init_64.c: In function 'early_memtest': arch/x86/mm/init_64.c:524: warning: passing argument 2 of 'find_e820_area_size' from incompatible pointer type Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Hugh Dickins 提交于
Fedora reports that mem_init()'s zap_low_mappings(), extended to SMP in 61165d7a x86: fix app crashes after SMP resume causes 32-bit Intel Mac machines to reboot very early when booting with EFI. The EFI code appears to manage low mappings for itself when needed; but like many before it, confuses PSE with PAE. So it has only been mapping half the space it needed when PSE but not PAE. This remained unnoticed until we moved the SMP zap_low_mappings() before efi_enter_virtual_mode(). Presumably could have been noticed years ago if anyone ran a UP kernel on such machines? Reported-by: NPeter Jones <pjones@redhat.com> Signed-off-by: NHugh Dickins <hugh@veritas.com> Cc: Peter Jones <pjones@redhat.com> Cc: Glauber Costa <gcosta@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Tested-by: NPeter Jones <pjones@redhat.com>
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- 02 7月, 2008 3 次提交
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由 Tim Yamin 提交于
Suspend/resume ("echo mem > /sys/power/state") does not work with vanilla kernels -- the system does not suspend correctly and just hangs. This patch fixes this so suspend/resume works: 1) of_iomap does not map the whole 0xC000 of the MPC5200 immr so saving registers does not work. 2) PCI registers need to be saved and restored. Signed-off-by: NTim Yamin <plasm@roo.me.uk> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 John Linn 提交于
The legacy serial driver does not work with an 8250 type UART that is described in the device tree with the reg-offset and reg-shift properties. This change makes legacy_serial ignore these devices. Signed-off-by: NJohn Linn <john.linn@xilinx.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 John Linn 提交于
This change to the makefile corrects the build of a simpleImage with initrd. Signed-off-by: NJohn Linn <john.linn@xilinx> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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- 01 7月, 2008 4 次提交
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由 Thomas Gleixner 提交于
commit 43238382 x86: change size of node ids from u8 to s16 set the range for NODES_SHIFT to 1..15. The possible range is 1..9 Fixes Bugzilla #10726 Reported-by: NDave Jones <davej@codemonkey.org.uk> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Doug Chapman 提交于
The symbol account_system_vtime is used by the kvm module but not exported. This breaks building with CONFIG_VIRT_CPU_ACCOUNTING and CONFIG_KVM=m. Signed-off-by: NDoug Chapman <doug.chapman@hp.com> Acked-by: NHidetosho Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Tony Luck 提交于
On a system where there are no hot pluggable cpus "additional_cpus" is still set to -1 at the point where we call per_cpu_scan_finalize(). If we didn't find an SRAT table and so pick the default "32" for the number of cpus, when we get to: high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); we will end up initializing for just 31 cpus ... and so we will die horribly when bringing up cpu#32. Problem introduced by: 2c6e6db4 "Minimize per_cpu reservations." Acked-by: NRobin Holt <holt@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Catalin Marinas 提交于
This patch annotates the platform_secondary_init function in arch/arm/mach-realview/platsmp.c with trace_hardirqs_off to avoid a warning when LOCKDEP and TRACE_IRQFLAGS are enabled. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 30 6月, 2008 2 次提交
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由 TAKADA Yoshihito 提交于
When I update kernel 2.6.25 from 2.6.24, gdb does not work. On 2.6.25, ptrace(PTRACE_GETFPXREGS, ...) returns ENODEV. But 2.6.24 kernel's ptrace() returns EIO. It is issue of compatibility. I attached test program as pt.c and patch for fix it. #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <signal.h> #include <errno.h> #include <sys/ptrace.h> #include <sys/types.h> struct user_fxsr_struct { unsigned short cwd; unsigned short swd; unsigned short twd; unsigned short fop; long fip; long fcs; long foo; long fos; long mxcsr; long reserved; long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ long padding[56]; }; int main(void) { pid_t pid; pid = fork(); switch(pid){ case -1:/* error */ break; case 0:/* child */ child(); break; default: parent(pid); break; } return 0; } int child(void) { ptrace(PTRACE_TRACEME); kill(getpid(), SIGSTOP); sleep(10); return 0; } int parent(pid_t pid) { int ret; struct user_fxsr_struct fpxregs; ret = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpxregs); if(ret < 0){ printf("%d: %s.\n", errno, strerror(errno)); } kill(pid, SIGCONT); wait(pid); return 0; } /* in the kerel, at kernel/i387.c get_fpxregs() */ Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Zhang, Yanmin 提交于
Vegard Nossum reported crashes during cpu hotplug tests: http://marc.info/?l=linux-kernel&m=121413950227884&w=4 In function _cpu_up, the panic happens when calling __raw_notifier_call_chain at the second time. Kernel doesn't panic when calling it at the first time. If just say because of nr_cpu_ids, that's not right. By checking the source code, I found that function do_boot_cpu is the culprit. Consider below call chain: _cpu_up=>__cpu_up=>smp_ops.cpu_up=>native_cpu_up=>do_boot_cpu. So do_boot_cpu is called in the end. In do_boot_cpu, if boot_error==true, cpu_clear(cpu, cpu_possible_map) is executed. So later on, when _cpu_up calls __raw_notifier_call_chain at the second time to report CPU_UP_CANCELED, because this cpu is already cleared from cpu_possible_map, get_cpu_sysdev returns NULL. Many resources are related to cpu_possible_map, so it's better not to change it. Below patch against 2.6.26-rc7 fixes it by removing the bit clearing in cpu_possible_map. Signed-off-by: NZhang Yanmin <yanmin_zhang@linux.intel.com> Tested-by: NVegard Nossum <vegard.nossum@gmail.com> Acked-by: NRusty Russell <rusty@rustcorp.com.au> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 26 6月, 2008 1 次提交
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由 Daniel J Blueman 提交于
WARNING: arch/x86/mm/built-in.o(.text+0x3a1): Section mismatch in reference from the function set_pte_phys() to the function .init.text:spp_getpage() The function set_pte_phys() references the function __init spp_getpage(). This is often because set_pte_phys lacks a __init annotation or the annotation of spp_getpage is wrong. arch/x86/mm/init_64.c: In function 'early_memtest': arch/x86/mm/init_64.c:520: warning: passing argument 2 of 'find_e820_area_size' from incompatible pointer type Signed-off-by: NDaniel J Blueman <daniel.blueman@gmail.com> Cc: "Linus Torvalds" <torvalds@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 25 6月, 2008 9 次提交
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由 Bryan Wu 提交于
-- WARNING: vmlinux.o(.text+0x721a): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_code_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_code_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x7238): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_code_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_code_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x7250): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_code_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_code_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x7264): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_code_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_code_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x72a2): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_data_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_data_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x72bc): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_data_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_data_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x72d4): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_data_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_data_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. WARNING: vmlinux.o(.text+0x72e8): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab() The function ___fill_data_cplbtab() references the function __init _fill_cplbtab(). This is often because ___fill_data_cplbtab lacks a __init annotation or the annotation of _fill_cplbtab is wrong. -- Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Sonic Zhang 提交于
Initialize the lock of bad_irq_desc properly. The content of irq_desc array is replaced by bad_irq_desc in blackfin arch irqchip init code. So, do it properly as common irq init code. Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Gerd Hoffmann 提交于
This patch updates the kvm host code to use the pvclock structs and functions, thereby making it compatible with Xen. The patch also fixes an initialization bug: on SMP systems the per-cpu has two different locations early at boot and after CPU bringup. kvmclock must take that in account when registering the physical address within the host. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Gerd Hoffmann 提交于
This patch updates the kvm host code to use the pvclock structs. It also makes the paravirt clock compatible with Xen. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Gerd Hoffmann 提交于
This patch updates the xen guest to use the pvclock structs and helper functions. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Acked-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Gerd Hoffmann 提交于
This patch adds structs for the paravirt clocksource ABI used by both xen and kvm (pvclock-abi.h). It also adds some helper functions to read system time and wall clock time from a paravirtual clocksource (pvclock.[ch]). They are based on the xen code. They are enabled using CONFIG_PARAVIRT_CLOCK. Subsequent patches of this series will put the code in use. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Acked-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Julia Lawall 提交于
As noted by Akinobu Mita alloc_bootmem and related functions never return NULL and always return a zeroed region of memory. Thus a NULL test or memset after calls to these functions is unnecessary. Signed-off-by: NJulia Lawall <julia@diku.dk> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Cliff Wickman 提交于
The fix applied in e0c6d97c "security hole in sn2_ptc_proc_write" didn't take into account the case where count==0 (which results in a buffer underrun when adding the trailing '\0'). Thanks to Andi Kleen for pointing this out. Signed-off-by: NCliff Wickman <cpw@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Jes Sorensen 提交于
Call check_sal_cache_flush() after platform_setup() as check_sal_cache_flush() now relies on being able to call platform vector code. Problem was introduced by: 3463a93d "Update check_sal_cache_flush to use platform_send_ipi()" Signed-off-by: NJes Sorensen <jes@sgi.com> Tested-by: NAlex Chiang: <achiang@hp.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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