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2008-07-25X86_SMP: tlb_XX.c declare smp_invalidate_interrupt before they get usedJaswinder Singh
declare smp_invalidate_interrupt in asm-x86/hw_irq.h for X86_32 and X86_64 Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-25X86_SMP: smp.c declare functions before they get usedJaswinder Singh
declared following smp interrupts in asm-x86/hw_irq.h: smp_reschedule_interrupt, smp_call_function_interrupt, smp_call_function_single_interrupt Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-25x86_64: Declare new_utsname in asm-x86/syscalls.hJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: mm/pgtable_32.c declare set_pmd_pfn before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: mm/pageattr.c declare arch_report_meminfo before they get usedJaswinder Singh
declared arch_report_meminfo() in asm-x86/pgtable.h as it will be also accessible by fs/proc/proc_misc.c Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: mm/fault.c declare do_page_fault before they get usedJaswinder Singh
declared do_page_fault() in asm-x86/trap.h for both X86_32 and X86_64 removed do_invalid_op declaration from mm/fault.c as it is already declared in asm-x86/trap.h Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: mm/init_XX.c declare functions before they get usedJaswinder Singh
included <asm/smp.h> in mm/init_32.c for zap_low_mappings() declared free_initmem() in asm-x86/page_XX.h Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: vm86_32.c declare functions before they get usedJaswinder Singh
declared following syscalls in asm-x86/syscalls.h: sys_vm86old, sys_vm86 Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-23x86: apic_XX.c declare functions before they get usedJaswinder Singh
declared following smp interrupts in asm-x86/hw_irq.h: smp_apic_timer_interrupt, smp_spurious_interrupt, smp_error_interrupt Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: common.c declare idle_regs before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: proc.c declare cpuinfo_op before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: ptrace.c declare functions before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: i387.c declare dump_fpu() before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: pci-nommu.c declare nommu_dma_ops before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: pci-dma.c declare iommu_bio_merge before they get usedJaswinder Singh
moved iommu_bio_merge from io_64.h to io.h because it is required for both. Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: e820.c declare pci_mem_start before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: setup.c declare saved_video_mode before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: time_XX.c declare functions before they get usedJaswinder Singh
Declare time_init() in asm-x86/time.h Also did cleanup in asm-x86/timer.h : timer_ack is only required for X86_32 int recalibrate_cpu_khz(void) is for X86_32 Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: signal_XX.c declare do_notify_resume before they get usedJaswinder Singh
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: process_32.c declare cpu_number before they get usedJaswinder Singh
Moved DECLARE_PER_CPU(int, cpu_number) from CONFIG_X86_32_SMP to CONFIG_X86_32 because cpu_number is required for both. And include asm/smp.h in process_32.c Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-22x86: Introducing asm/syscalls.hJaswinder Singh
Declaring arch-dependent syscalls for x86 architecture Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
2008-07-21x86: convert Dprintk to pr_debugThomas Gleixner
There are a couple of places where (P)Dprintk is used which is an old compile time enabled printk wrapper. Convert it to the generic pr_debug(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-07-21Merge branch 'x86/paravirt-spinlocks' into x86/for-linusIngo Molnar
2008-07-21Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', ↵Ingo Molnar
'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus
2008-07-21Merge branch 'linus' into xen-64bitIngo Molnar
2008-07-21Merge branch 'linus' into x86/paravirt-spinlocksIngo Molnar
2008-07-21KVM: fix exception entry / build bug, on 64-bitIngo Molnar
-tip testing found this build bug: arch/x86/kvm/built-in.o:(.text.fixup+0x1): relocation truncated to fit: R_X86_64_32 against `.text' arch/x86/kvm/built-in.o:(.text.fixup+0xb): relocation truncated to fit: R_X86_64_32 against `.text' arch/x86/kvm/built-in.o:(.text.fixup+0x15): relocation truncated to fit: R_X86_64_32 against `.text' arch/x86/kvm/built-in.o:(.text.fixup+0x1f): relocation truncated to fit: R_X86_64_32 against `.text' arch/x86/kvm/built-in.o:(.text.fixup+0x29): relocation truncated to fit: R_X86_64_32 against `.text' Introduced by commit 4ecac3fd. The problem is that 'push' will default to 32-bit, which is not wide enough as a fixup address. (and which would crash on any real fixup event even if it was wide enough) Introduce KVM_EX_PUSH to get the proper address push width on 64-bit too. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-21Merge branch 'linus' into x86/urgentIngo Molnar
2008-07-20KVM: Prefix some x86 low level function with kvm_, to avoid namespace issuesAvi Kivity
Fixes compilation with CONFIG_VMI enabled. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: x86 emulator: lazily evaluate segment registersAvi Kivity
Instead of prefetching all segment bases before emulation, read them at the last moment. Since most of them are unneeded, we save some cycles on Intel machines where this is a bit expensive. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: x86 emulator: simplify rip relative decodingAvi Kivity
rip relative decoding is relative to the instruction pointer of the next instruction; by moving address adjustment until after decoding is complete, we remove the need to determine the instruction size. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: Add coalesced MMIO support (x86 part)Laurent Vivier
This patch enables coalesced MMIO for x86 architecture. It defines KVM_MMIO_PAGE_OFFSET and KVM_CAP_COALESCED_MMIO. It enables the compilation of coalesced_mmio.c. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: Prefixes segment functions that will be exported with "kvm_"Guillaume Thouvenin
Prefixes functions that will be exported with kvm_. We also prefixed set_segment() even if it still static to be coherent. signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net> Signed-off-by: Laurent Vivier <laurent.vivier@bull.net> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: MTRR supportAvi Kivity
Add emulation for the memory type range registers, needed by VMware esx 3.5, and by pci device assignment. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: Order segment register constants in the same way as cpu operand encodingAvi Kivity
This can be used to simplify the x86 instruction decoder. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: VMX: Enable NMI with in-kernel irqchipSheng Yang
Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: IOAPIC/LAPIC: Enable NMI supportSheng Yang
[avi: fix ia64 build breakage] Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: Remove decache_vcpus_on_cpu() and related callbacksAvi Kivity
Obsoleted by the vmx-specific per-cpu list. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: Handle virtualization instruction #UD faults during rebootAvi Kivity
KVM turns off hardware virtualization extensions during reboot, in order to disassociate the memory used by the virtualization extensions from the processor, and in order to have the system in a consistent state. Unfortunately virtual machines may still be running while this goes on, and once virtualization extensions are turned off, any virtulization instruction will #UD on execution. Fix by adding an exception handler to virtualization instructions; if we get an exception during reboot, we simply spin waiting for the reset to complete. If it's a true exception, BUG() so we can have our stack trace. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: MMU: Fix false flooding when a pte points to page tableAvi Kivity
The KVM MMU tries to detect when a speculative pte update is not actually used by demand fault, by checking the accessed bit of the shadow pte. If the shadow pte has not been accessed, we deem that page table flooded and remove the shadow page table, allowing further pte updates to proceed without emulation. However, if the pte itself points at a page table and only used for write operations, the accessed bit will never be set since all access will happen through the emulator. This is exactly what happens with kscand on old (2.4.x) HIGHMEM kernels. The kernel points a kmap_atomic() pte at a page table, and then proceeds with read-modify-write operations to look at the dirty and accessed bits. We get a false flood trigger on the kmap ptes, which results in the mmu spending all its time setting up and tearing down shadows. Fix by setting the shadow accessed bit on emulated accesses. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20KVM: SVM: add tracing support for TDP page faultsJoerg Roedel
To distinguish between real page faults and nested page faults they should be traced as different events. This is implemented by this patch. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-07-20x86, VisWS: turn into generic arch, eliminate leftover filesIngo Molnar
remove unused leftovers. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20x86: add ->pre_time_init to x86_quirksYinghai Lu
so NUMAQ can use that to call numaq_pre_time_init() This allows us to remove a NUMAQ special from arch/x86/kernel/setup.c. (and paves the way to remove the NUMAQ subarch) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20x86: extend and use x86_quirks to clean up NUMAQ codeYinghai Lu
add these new x86_quirks methods: int *mpc_record; int (*mpc_apic_id)(struct mpc_config_processor *m); void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name); void (*mpc_oem_pci_bus)(struct mpc_config_bus *m); void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable, unsigned short oemsize); ... and move NUMAQ related mps table handling to numaq_32.c. also move the call to smp_read_mpc_oem() to smp_read_mpc() directly. Should not change functionality, albeit it would be nice to get it tested on real NUMAQ as well ... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20x86: introduce x86_quirksYinghai Lu
introduce x86_quirks array of boot-time quirk methods. No change in functionality intended. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18x86: i386: reduce boot fixmap spaceJan Beulich
As 256 entries are needed, aligning to a 256-entry boundary is sufficient and still guarantees the single pte table requirement. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-07-18x86: reduce force_mwait visibilityJan Beulich
It's not used anywhere outside its single referencing file. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-07-18x86: reduce forbid_dac's visibilityJan Beulich
It's not used anywhere outside its declaring file. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-07-18x86: introducing asm-x86/traps.hJaswinder Singh
Declaring x86 traps under one hood. Declaring x86 do_traps before defining them. Signed-off-by: Jaswinder Singh <jaswinder@infradead.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18Merge branch 'linus' into x86/amd-iommuIngo Molnar
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