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- 10 9月, 2009 9 次提交
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由 Michael S. Tsirkin 提交于
This changes bus accesses to use high-level kvm_io_bus_read/kvm_io_bus_write functions. in_range now becomes unused so it is removed from device ops in favor of read/write callbacks performing range checks internally. This allows aliasing (mostly for in-kernel virtio), as well as better error handling by making it possible to pass errors up to userspace. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Marcelo Tosatti 提交于
Return EOPNOTSUPP for KVM_TRACE_ENABLE/PAUSE/DISABLE ioctls. Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Joerg Roedel 提交于
[avi: fix build on non-x86] Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
[christian: remove unused variables on s390] Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
Archs are free to use vcpu_id as they see fit. For x86 it is used as vcpu's apic id. New ioctl is added to configure boot vcpu id that was assumed to be 0 till now. Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
Use it instead of open code "vcpu_id zero is BSP" assumption. Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Marcelo Tosatti 提交于
Protect irq injection/acking data structures with a separate irq_lock mutex. This fixes the following deadlock: CPU A CPU B kvm_vm_ioctl_deassign_dev_irq() mutex_lock(&kvm->lock); worker_thread() -> kvm_deassign_irq() -> kvm_assigned_dev_interrupt_work_handler() -> deassign_host_irq() mutex_lock(&kvm->lock); -> cancel_work_sync() [blocked] [gleb: fix ia64 path] Reported-by: NAlex Williamson <alex.williamson@hp.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Jes Sorensen 提交于
Init the itc_offset for all possible vCPUs. The current code by mistake ends up only initializing the offset on vCPU 0. Spotted by Gleb Natapov. Signed-off-by: NJes Sorensen <jes@sgi.com> Acked-by : Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Reduce Kconfig code duplication. Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 03 9月, 2009 2 次提交
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由 Jiri Bohac 提交于
The 32-bit parameters (len and csum) of csum_ipv6_magic() are passed in 64-bit registers in2 and in4. The high order 32 bits of the registers were never cleared, and garbage was sometimes calculated into the checksum. Fix this by clearing the high order 32 bits of these registers. Signed-off-by: NJiri Bohac <jbohac@suse.cz> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Luck, Tony 提交于
arch/ia64/kernel/dma-mapping.c:14: warning: control reaches end of non-void function arch/ia64/kernel/dma-mapping.c:14: warning: no return statement in function returning non-void This warning was introduced by commit: 390bd132 Add dma_debug_init() for ia64 Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 12 8月, 2009 7 次提交
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由 Roel Kluin 提交于
Missing test after ioremap() Signed-off-by: NRoel Kluin <roel.kluin@gmail.com> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Fenghua Yu 提交于
Make cache_add_dev exit sysfs when kobject_init_and_add returns an error. Signed-off-by: NXiaotian Feng <dfeng@redhat.com> Signed-off-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Fenghua Yu 提交于
Between GCC version 3.4.0 and 4.3.3 (including 3.4.0 and 4.3.3), -mtune=merced is implemented in GCC. Starting from 4.4.0, -mtune=merced is deprecated. Even implemented in versions between 3.4.0 and 4.3.3, the -mtune=merced feature has been broken in some of the versions. For example, GCC 4.1.2 reports interanl tuning function errors during kernel building with -mtune=merced. Or GCC Bugzilla 16130 reports another -mtune=merced issue on GCC 3.4.1. So I would remove the -mtune=merced from IA64 kernel build. Without this option, kernel on Merced will remain the same except losing an unstable and out-of-date performance tunning feature. Since GCC version 3.4.0, -mtune=mckinley has been implemented. The -mtune=mckinley option functions the same as mtune=itanium2. And mtune=itanium2 is the default option. So we don't need to add mtune=mckinley either since its been the default option in any GCC version which implements this option. Signed-off-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Jaswinder Singh Rajput 提交于
fix the following 'make includecheck' warning: arch/ia64/include/asm/pgtable.h: asm/processor.h is included more than once. Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Jaswinder Singh Rajput 提交于
fix the following 'make includecheck' warning: arch/ia64/kernel/ia64_ksyms.c: asm/page.h is included more than once. Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Johannes Weiner 提交于
__test_and_clear_bit() returns a bitfield with the tested-for bit set. Make it consistent with the other bitops - of ia64 but also every other architecture - and return a boolean value. Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Fenghua Yu 提交于
In commit 160c1d8e, dma_ops->dma_supported = iommu_dma_supported; This dma_ops->dma_supported is first called in platform_dma_init() during kernel boot. Then dma_ops->dma_supported will be called recursively in iommu_dma_supported. Kernel can not boot because kernel can not get out of iommu_dma_supported until it runs out of stack memory. Signed-off-by: NFenghua Yu <fenghua.yu@intel.com>
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- 05 8月, 2009 1 次提交
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 28 7月, 2009 1 次提交
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由 Benjamin Herrenschmidt 提交于
mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() Upcoming paches to support the new 64-bit "BookE" powerpc architecture will need to have the virtual address corresponding to PTE page when freeing it, due to the way the HW table walker works. Basically, the TLB can be loaded with "large" pages that cover the whole virtual space (well, sort-of, half of it actually) represented by a PTE page, and which contain an "indirect" bit indicating that this TLB entry RPN points to an array of PTEs from which the TLB can then create direct entries. Thus, in order to invalidate those when PTE pages are deleted, we need the virtual address to pass to tlbilx or tlbivax instructions. The old trick of sticking it somewhere in the PTE page struct page sucks too much, the address is almost readily available in all call sites and almost everybody implemets these as macros, so we may as well add the argument everywhere. I added it to the pmd and pud variants for consistency. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: David Howells <dhowells@redhat.com> [MN10300 & FRV] Acked-by: NNick Piggin <npiggin@suse.de> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 17 7月, 2009 3 次提交
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由 Aurelien Jarno 提交于
asm/fpu.h uses the __IA64_UL macro which is declared in asm/types.h, so this include is really required. Without it, GNU libc fails to build. This reverts commit 2678c07b. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 fujita 提交于
The commit 99162195 was supposed to add CONFIG_DMA_API_DEBUG support to IA64 however I forgot to add dma_debug_init(). Signed-off-by: Nfujita <fujita@tulip.osrg.net> Acked-by: NFenghua Yu <fenghua.yu@intel.com>
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由 Fenghua Yu 提交于
When building ia64 kernel with CONFIG_XEN_SYS_HYPERVISOR, compiler reports errors: drivers/xen/sys-hypervisor.c: In function ‘uuid_show’: drivers/xen/sys-hypervisor.c:125: error: implicit declaration of function ‘IS_ERR’ drivers/xen/sys-hypervisor.c:126: error: implicit declaration of function ‘PTR_ERR’ This patch fixes the errors. Signed-off-by: NFenghua Yu <fenghua.yu@intel.com> Acked-by: NIsaku Yamahata <yamahata@valinux.co.jp>
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- 13 7月, 2009 1 次提交
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由 Alexey Dobriyan 提交于
* Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 11 7月, 2009 1 次提交
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由 Peter Zijlstra 提交于
Pull the initial preempt_count value into a single definition site. Maintainers for: alpha, ia64 and m68k, please have a look, your arch code is funny. The header magic is a bit odd, but similar to the KERNEL_DS one, CPP waits with expanding these macros until the INIT_THREAD_INFO macro itself is expanded, which is in arch/*/kernel/init_task.c where we've already included sched.h so we're good. Cc: tony.luck@intel.com Cc: rth@twiddle.net Cc: geert@linux-m68k.org Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NMatt Mackall <mpm@selenic.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 7月, 2009 4 次提交
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由 Ingo Molnar 提交于
Should be __init. Acked-by: NTony Luck <tony.luck@intel.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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由 Jan Beulich 提交于
perfmon.c has a dubious cast directly from "int" to "void *". Add an intermediate cast to "long" to keep gcc happy. salinfo.c uses "down_trylock()" in a highly creative way (explained in the comments in the file) ... but it does kick out this warning: arch/ia64/kernel/salinfo.c:195: warning: ignoring return value of 'down_trylock' which people occasionally try to "fix" in ways that do not work. Use some casts to keep gcc quiet. Signed-off-by: NJan Beulich <jbeulich@novell.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Alan Cox 提交于
This happens to work at the moment but isn't a good idea so fix it the simple way. Resolves-bug: http://bugzilla.kernel.org/show_bug.cgi?id=13576Signed-off-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 28 6月, 2009 1 次提交
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由 Jes Sorensen 提交于
Fix problem with double export of certain symbols from vsprintf.c which we do not wish to export from the kvm-intel.ko module. In addition, we do not have access to kallsyms_lookup() from the module, so make sure to #undef CONFIG_KALLSYMS Signed-off-by: NJes Sorensen <jes@sgi.com> Acked-by: NXiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 22 6月, 2009 1 次提交
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由 Linus Torvalds 提交于
This allows the callers to now pass down the full set of FAULT_FLAG_xyz flags to handle_mm_fault(). All callers have been (mechanically) converted to the new calling convention, there's almost certainly room for architectures to clean up their code and then add FAULT_FLAG_RETRY when that support is added. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 20 6月, 2009 1 次提交
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由 Pallipadi, Venkatesh 提交于
arch_acpi_processor_cleanup_pdc() in x86 and ia64 results in memory allocated for _PDC objects that is never freed and will cause memory leak in case of physical CPU remove and add. Patch fixes the memory leak by freeing the objects soon after _PDC is evaluated. Reported-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 19 6月, 2009 2 次提交
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由 FUJITA Tomonori 提交于
Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: NJoerg Roedel <joerg.roedel@amd.com> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: N"Luck, Tony" <tony.luck@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc; "David S. Miller" <davem@davemloft.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 FUJITA Tomonori 提交于
Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: NJoerg Roedel <joerg.roedel@amd.com> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: N"Luck, Tony" <tony.luck@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc; "David S. Miller" <davem@davemloft.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 18 6月, 2009 4 次提交
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由 Matthew Wilcox 提交于
ia64 was assigning resources to root busses after allocations had been made for child busses. Calling pcibios_setup_root_windows() from pcibios_fixup_bus() solves this problem by assigning the resources to the root bus before child busses are scanned. Signed-off-by: NMatthew Wilcox <willy@linux.intel.com> Tested-by: NAndrew Patterson <andrew.patterson@hp.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Matthew Wilcox 提交于
This function was only used by pci_claim_resource(), and the last commit deleted that use. Signed-off-by: NMatthew Wilcox <willy@linux.intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Matthew Wilcox 提交于
It is generally agreed that it would be beneficial for u64 to be an unsigned long long on all architectures. ia64 (in common with several other 64-bit architectures) currently uses unsigned long. Migrating piecemeal is too painful; this giant patch fixes all compilation warnings and errors that come as a result of switching to use int-ll64.h. Note that userspace will still see __u64 defined as unsigned long. This is important as it affects C++ name mangling. [Updated by Tony Luck to change efi.h:efi_freemem_callback_t to use u64 for start/end rather than unsigned long] Signed-off-by: NMatthew Wilcox <willy@linux.intel.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Jes Sorensen 提交于
Andrew cleaned up some #include tangles in: commit 0d9c25dd headers: move module_bug_finalize()/module_bug_cleanup() definitions into module.h which resulted in this build error for ia64: CC arch/ia64/kernel/paravirt_patchlist.o arch/ia64/kernel/paravirt_patchlist.c:43: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__initdata' arch/ia64/kernel/paravirt_patchlist.c:54: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_patchlist' arch/ia64/kernel/paravirt_patchlist.c:76: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_section' make[1]: *** [arch/ia64/kernel/paravirt_patchlist.o] Error 1 The problem was that paravirt_patchlist.c was relying on some of the nested includes (specifically that linux/bug.h included linux/module.h Signed-off-by: NJes Sorensen <jes@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 17 6月, 2009 2 次提交
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由 Randy Dunlap 提交于
Convert most arches to use asm-generic/kmap_types.h. Move the KM_FENCE_ macro additions into asm-generic/kmap_types.h, controlled by __WITH_KM_FENCE from each arch's kmap_types.h file. Would be nice to be able to add custom KM_types per arch, but I don't yet see a nice, clean way to do that. Built on x86_64, i386, mips, sparc, alpha(tonyb), powerpc(tonyb), and 68k(tonyb). Note: avr32 should be able to remove KM_PTE2 (since it's not used) and then just use the generic kmap_types.h file. Get avr32 maintainer approval. Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Cc: <linux-arch@vger.kernel.org> Acked-by: NMike Frysinger <vapier@gentoo.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Bryan Wu <cooloney@kernel.org> Cc: Mikael Starvik <starvik@axis.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: "Luck Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Howells <dhowells@redhat.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Thomas Gleixner 提交于
put_cpu_no_resched() is an optimization of put_cpu() which unfortunately can cause high latencies. The nfs iostats code uses put_cpu_no_resched() in a code sequence where a reschedule request caused by an interrupt between the get_cpu() and the put_cpu_no_resched() can delay the reschedule for at least HZ. The other users of put_cpu_no_resched() optimize correctly in interrupt code, but there is no real harm in using the put_cpu() function which is an alias for preempt_enable(). The extra check of the preemmpt count is not as critical as the potential source of missing a reschedule. Debugged in the preempt-rt tree and verified in mainline. Impact: remove a high latency source [akpm@linux-foundation.org: build fix] Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NIngo Molnar <mingo@elte.hu> Cc: Tony Luck <tony.luck@intel.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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