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fbd8b1819e80ac5a176d085fdddc3a34d1499318
linux/arch/x86/kernel
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Kevin Winchester fbd8b1819e x86: Clear incorrectly forced X86_FEATURE_LAHF_LM flag 
Due to an erratum with certain AMD Athlon 64 processors, the
BIOS may need to force enable the LAHF_LM capability.
Unfortunately, in at least one case, the BIOS does this even
for processors that do not support the functionality.

Add a specific check that will clear the feature bit for
processors known not to support the LAHF/SAHF instructions.

Signed-off-by: Kevin Winchester <kjwinchester@gmail.com>
Acked-by: Borislav Petkov <petkovbb@googlemail.com>
LKML-Reference: <4A80A5AD.2000209@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-08-11 13:34:54 +02:00
..
acpi
Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release
2009-06-24 01:19:50 -04:00
apic
x86: Fix MSI-X initialization by using online_mask for x2apic target_cpus
2009-08-08 17:04:58 +02:00
cpu
x86: Clear incorrectly forced X86_FEATURE_LAHF_LM flag
2009-08-11 13:34:54 +02:00
.gitignore
…
alternative.c
x86: expand irq-off region in text_poke()
2009-03-10 16:24:23 +01:00
amd_iommu_init.c
amd-iommu: set evt_buf_size correctly
2009-07-02 18:32:05 +02:00
amd_iommu.c
x86: Mark device_nb as static and fix NULL noise
2009-07-01 16:52:53 +02:00
aperture_64.c
aperture_64.c: clarify that too small aperture is valid reason for this code
2008-11-28 15:24:39 +01:00
apm_32.c
x86: Work around compilation warning in arch/x86/kernel/apm_32.c
2009-08-04 16:34:23 +02:00
asm-offsets_32.c
lguest: optimize by coding restore_flags and irq_enable in assembler.
2009-06-12 22:27:03 +09:30
asm-offsets_64.c
x86, boot: make kernel_alignment adjustable; new bzImage fields
2009-05-11 17:44:39 -07:00
asm-offsets.c
…
audit_64.c
…
bios_uv.c
x86, UV: system table in bios accessed after unmap
2009-04-03 19:25:57 +02:00
bootflag.c
…
check.c
x86: fix 64k corruption-check
2009-03-15 07:03:15 +01:00
cpuid.c
Driver Core: x86: add nodename for cpuid and msr drivers.
2009-06-15 21:30:25 -07:00
crash_dump_32.c
kdump: make elfcorehdr_addr independent of CONFIG_PROC_VMCORE
2008-10-20 08:52:39 -07:00
crash_dump_64.c
kdump: make elfcorehdr_addr independent of CONFIG_PROC_VMCORE
2008-10-20 08:52:39 -07:00
crash.c
x86: disable IOMMUs on kernel crash
2009-06-15 15:20:40 +02:00
doublefault_32.c
x86: fix virt_addr_valid() with CONFIG_DEBUG_VIRTUAL=y, v2
2008-10-13 10:33:15 +02:00
ds_selftest.c
x86, ds: fix buffer alignment in debug store selftest
2009-04-24 10:18:51 +02:00
ds_selftest.h
x86, bts: cleanups
2009-03-13 11:57:22 +01:00
ds.c
x86, ds: support Core i7
2009-04-07 13:36:36 +02:00
dumpstack_32.c
perf_counter: Ignore the nmi call frames in the x86-64 backtraces
2009-07-01 22:37:23 +02:00
dumpstack_64.c
perf_counter: Ignore the nmi call frames in the x86-64 backtraces
2009-07-01 22:37:23 +02:00
dumpstack.c
x86: Add sysctl to allow panic on IOCK NMI error
2009-06-25 22:06:11 +02:00
dumpstack.h
x86: avoid multiple declaration of kstack_depth_to_print
2009-04-14 11:45:33 +02:00
e820.c
Remove multiple KERN_ prefixes from printk formats
2009-07-08 10:30:03 -07:00
early_printk.c
x86: properly __init-annotate recent early_printk additions
2009-03-13 02:37:18 +01:00
early-quirks.c
x86 early quirks: eliminate unused function
2009-04-08 14:16:32 +02:00
efi_32.c
x86: fix i486 suspend to disk CR4 oops
2008-08-18 08:50:19 +02:00
efi_64.c
x86: Make 64-bit efi_ioremap use ioremap on MMIO regions
2009-08-03 13:34:25 -07:00
efi_stub_32.S
Merge branch 'x86/asm' into x86/mm
2009-02-25 08:27:46 +01:00
efi_stub_64.S
x86: efi_stub_32,64 - add missing ENDPROCs
2009-02-24 18:08:40 +01:00
efi.c
x86: fix buffer overflow in efi_init()
2009-08-09 01:08:42 -07:00
entry_32.S
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-20 10:56:46 -07:00
entry_64.S
function-graph: add stack frame test
2009-06-18 18:40:18 -04:00
ftrace.c
function-graph: add stack frame test
2009-06-18 18:40:18 -04:00
geode_32.c
…
head32.c
x86-32: use brk segment for allocating initial kernel pagetable
2009-03-14 17:23:47 -07:00
head64.c
x86: add brk allocation for very, very early allocations
2009-03-14 15:37:14 -07:00
head_32.S
x86: fix section mismatch for i386 init code
2009-07-27 14:18:46 -07:00
head_64.S
x86: de-assembler-ize asm/desc.h
2009-06-17 21:35:10 -07:00
head.c
x86, debug: remove EBDA debug printk
2008-12-12 11:08:42 +01:00
hpet.c
x86: hpet: Mark per cpu interrupts IRQF_TIMER to prevent resume failure
2009-06-14 18:24:29 +02:00
i386_ksyms_32.c
ftrace: rename FTRACE to FUNCTION_TRACER
2008-10-20 18:27:03 +02:00
i387.c
x86, math-emu: fix init_fpu for task != current
2009-03-04 20:33:16 +01:00
i8237.c
i8327: fix outb() parameter order
2009-02-10 13:13:23 +01:00
i8253.c
time: move PIT_TICK_RATE to linux/timex.h
2009-06-16 19:47:27 -07:00
i8259.c
x86: refactor x86_quirks support
2009-02-23 00:08:11 +01:00
init_task.c
mm: consolidate init_mm definition
2009-06-16 19:47:28 -07:00
io_delay.c
x86: io_delay.c cleanup
2009-03-21 16:57:04 +05:30
ioport.c
x86-32: use non-lazy io bitmap context switching
2009-03-02 12:07:48 +01:00
irq_32.c
Merge branch 'tj-percpu' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu
2009-02-24 21:52:45 +01:00
irq_64.c
x86: unify do_IRQ()
2009-02-09 12:16:05 +01:00
irq.c
Merge branch 'linus' into x86/mce3
2009-06-11 23:31:52 +02:00
irqinit.c
x86, mce: Rename incorrect macro name "CONFIG_X86_THRESHOLD"
2009-07-21 21:43:22 -07:00
k8.c
x86, gart: fix gart detection for Fam11h CPUs
2008-10-28 17:10:27 +01:00
kdebugfs.c
x86: kdebugfs.c cleanup
2009-03-21 16:55:45 +05:30
kgdb.c
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-10 15:49:10 -07:00
kprobes.c
Merge branch 'tracing/core-v2' into tracing-for-linus
2009-04-02 00:49:02 +02:00
kvm.c
x86, kvm: Fix section mismatches in kvm.c
2009-07-03 14:34:22 +02:00
kvmclock.c
clocksource: pass clocksource to read() callback
2009-04-21 13:41:47 -07:00
ldt.c
x86: ldt.c fix style problems
2009-01-02 17:46:24 +01:00
machine_kexec_32.c
x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP
2009-05-07 22:01:05 -07:00
machine_kexec_64.c
x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP
2009-05-07 22:01:05 -07:00
Makefile
gcov: exclude code operating in userspace from profiling
2009-07-06 13:57:03 -07:00
mca_32.c
x86: refactor x86_quirks support
2009-02-23 00:08:11 +01:00
mfgpt_32.c
x86: geode: Mark mfgpt irq IRQF_TIMER to prevent resume failure
2009-07-24 08:42:52 +02:00
microcode_amd.c
x86, microcode: Simplify vfree() use
2009-06-07 16:35:11 +02:00
microcode_core.c
Driver Core: misc: add nodename support for misc devices.
2009-06-15 21:30:25 -07:00
microcode_intel.c
x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic
2009-05-12 10:36:44 +02:00
mmconf-fam10h_64.c
x86: move various CPU initialization objects into .cpuinit.rodata
2009-03-12 13:13:07 +01:00
module.c
module: cleanup FIXME comments about trimming exception table entries.
2009-06-12 21:47:05 +09:30
mpparse.c
x86, irq: don't call mp_config_acpi_gsi() if update_mptable is not enabled
2009-05-18 09:33:29 +02:00
msr.c
Driver Core: x86: add nodename for cpuid and msr drivers.
2009-06-15 21:30:25 -07:00
olpc.c
x86, olpc: fix model detection without OFW
2009-02-14 23:05:25 +01:00
paravirt_patch_32.c
x86/pvops: add a paravirt_ident functions to allow special patching
2009-01-30 14:51:44 -08:00
paravirt_patch_64.c
x86/pvops: add a paravirt_ident functions to allow special patching
2009-01-30 14:51:44 -08:00
paravirt-spinlocks.c
x86: remove byte locks
2009-01-20 17:14:28 +01:00
paravirt.c
Merge branch 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-10 16:16:27 -07:00
pci-calgary_64.c
x86: calgary: remove IOMMU_DEBUG
2009-04-14 13:03:36 +02:00
pci-dma.c
intel-iommu: Make iommu=pt work on i386 too
2009-07-01 18:56:16 +01:00
pci-gart_64.c
Remove multiple KERN_ prefixes from printk formats
2009-07-08 10:30:03 -07:00
pci-nommu.c
dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
2009-04-07 08:31:11 -07:00
pci-swiotlb.c
Merge git://git.infradead.org/~dwmw2/iommu-2.6.31
2009-06-22 21:38:22 -07:00
pcspeaker.c
x86: use platform_device_register_simple()
2008-09-22 12:58:36 +02:00
pmtimer_64.c
…
probe_roms_32.c
x86: move mach-default/*.h files to asm/
2009-01-29 14:16:51 +01:00
process_32.c
Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-10 19:53:40 -07:00
process_64.c
Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-10 19:53:40 -07:00
process.c
kmemcheck: add mm functions
2009-06-15 12:40:03 +02:00
ptrace.c
x86, bts, mm: clean up buffer allocation
2009-04-24 10:18:52 +02:00
pvclock.c
x86: Fix warning in pvclock.c
2009-07-14 16:25:05 +02:00
quirks.c
Merge branch 'linus' into x86/cpu
2009-06-07 12:22:15 +02:00
reboot_fixups_32.c
…
reboot.c
x86: Add reboot quirk for every 5 series MacBook/Pro
2009-08-10 20:59:42 +02:00
relocate_kernel_32.S
x86, kexec: fix kexec x86 coding style
2009-03-10 18:13:25 -07:00
relocate_kernel_64.S
x86, kexec: x86_64: add kexec jump support for x86_64
2009-03-10 18:13:25 -07:00
rtc.c
x86: rtc.c cleanup
2009-03-21 16:56:37 +05:30
scx200_32.c
…
setup_percpu.c
x86: ensure percpu lpage doesn't consume too much vmalloc space
2009-06-22 11:56:24 +09:00
setup.c
x86: Add quirk for Intel DG45ID board to avoid low memory corruption
2009-07-18 13:38:29 +02:00
signal.c
Merge branch 'linus' into x86/mce3
2009-06-11 23:31:52 +02:00
smp.c
Merge branch 'linus' into x86/mce3
2009-06-11 23:31:52 +02:00
smpboot.c
x86: make zap_low_mapping could be used early
2009-06-12 13:50:24 +03:00
stacktrace.c
x86: add save_stack_trace_bp() for tracing from a specific stack frame
2009-06-12 23:01:05 +02:00
step.c
…
sys_i386_32.c
…
sys_x86_64.c
Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1
2008-10-06 18:17:07 +02:00
syscall_64.c
x86: Fix ASM_X86__ header guards
2008-10-22 22:55:23 -07:00
syscall_table_32.S
Merge branch 'core/signal' into perfcounters/core
2009-04-30 21:16:49 +02:00
tce_64.c
…
test_nx.c
…
test_rodata.c
…
time_32.c
x86: refactor x86_quirks support
2009-02-23 00:08:11 +01:00
time_64.c
cpumask: remove references to struct irqaction's mask field.
2009-03-30 22:05:14 +10:30
tlb_uv.c
x86: Fix uv bau sending buffer initialization
2009-06-24 17:33:58 +02:00
tls.c
…
tls.h
…
topology.c
x86: topology.c cleanup
2009-03-21 16:55:24 +05:30
trampoline_32.S
x86: use _types.h headers in asm where available
2009-02-13 11:35:01 -08:00
trampoline_64.S
x86: use _types.h headers in asm where available
2009-02-13 11:35:01 -08:00
trampoline.c
x86: change static allocation of trampoline area
2008-12-08 13:49:45 +01:00
traps.c
x86: Add sysctl to allow panic on IOCK NMI error
2009-06-25 22:06:11 +02:00
tsc_sync.c
x86: clean up arch/x86/kernel/tsc_sync.c a bit
2009-05-07 09:32:10 +02:00
tsc.c
x86: Fix serialization in pit_expect_msb()
2009-08-10 19:56:57 +02:00
uv_irq.c
x86, apic: remove genapic.h
2009-02-17 17:52:44 +01:00
uv_sysfs.c
x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems
2009-04-08 14:58:10 +02:00
uv_time.c
uv_time: add parameter to uv_read_rtc()
2009-04-22 17:41:25 +02:00
verify_cpu_64.S
…
visws_quirks.c
x86: convert obsolete irq_desc_t typedef to struct irq_desc
2009-03-11 09:49:01 +01:00
vm86_32.c
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-06-10 16:15:14 -07:00
vmi_32.c
x86: Fix VMI && stack protector
2009-08-05 10:20:29 +02:00
vmiclock_32.c
clocksource: pass clocksource to read() callback
2009-04-21 13:41:47 -07:00
vmlinux.lds.S
x86: Fix assert syntax in vmlinux.lds.S
2009-08-03 14:44:54 -07:00
vsmp_64.c
Revert "x86: don't compile vsmp_64 for 32bit"
2009-03-25 21:34:28 +01:00
vsyscall_64.c
x86: move rdtsc_barrier() into the TSC vread method
2009-05-28 14:15:54 +02:00
x8664_ksyms_64.c
x86: convert pda ops to wrappers around x86 percpu accessors
2009-01-16 14:20:22 +01:00
xsave.c
x86-64: fix FPU corruption with signals and preemption
2009-04-20 14:33:00 -07:00