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8c66006538
linux/arch/x86/kernel
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Dave Johnson 8c66006538 x86: fix more TSC clock source calibration errors 
The previous patch wasn't correctly handling the 'count' variable.  If
a CPU gave bad results on the 1st or 2nd run but good results on the
3rd, it wouldn't do the correct thing.  No idea if any such CPU
exists, but the patch below handles that case by discarding the bad
runs.

If a bad result (too quick, or too slow) occurs on any of the 3 runs
it will be discarded.

Also updated some comments to explain what's going on.

Signed-off-by: Dave Johnson <djohnson@sw.starentnetworks.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-23 22:37:22 +02:00
..
acpi Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
cpu Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
.gitignore .gitignore update for x86 arch 2007-10-17 21:19:04 +02:00
alternative.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
aperture_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
apic_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
apic_64.c x86: expand /proc/interrupts to include missing vectors, v2 2007-10-17 20:16:53 +02:00
apm_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
asm-offsets_32.c Boot with virtual == physical to get closer to native Linux. 2007-10-23 15:49:54 +10:00
asm-offsets_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
asm-offsets.c
audit_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
bootflag.c
bugs_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
cpuid.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
crash_32.c
crash_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
crash_dump_32.c kmap leak fix for x86_32 kdump 2007-10-19 11:53:33 -07:00
crash_dump_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
doublefault_32.c
e820_32.c kexec: add BSS to resource tree 2007-10-22 08:13:19 -07:00
e820_64.c kexec: add BSS to resource tree 2007-10-22 08:13:19 -07:00
early_printk.c [x86] remove uses of magic macros for boot_params access 2007-10-16 17:38:31 -07:00
early-quirks.c x86: Unify i386 and x86-64 early quirks 2007-10-19 20:35:03 +02:00
efi_32.c kexec: add BSS to resource tree 2007-10-22 08:13:19 -07:00
efi_stub_32.S
entry_32.S Merge branch 'xen-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen 2007-10-17 11:10:11 -07:00
entry_64.S x86: return correct error code from child_rip in x86_64 entry.S 2007-10-17 20:15:29 +02:00
genapic_64.c x86: convert cpu_to_apicid to be a per cpu variable 2007-10-19 20:35:03 +02:00
genapic_flat_64.c x86: convert cpu_to_apicid to be a per cpu variable 2007-10-19 20:35:03 +02:00
geode_32.c x86: Geode Multi-Function General Purpose Timers support 2007-10-12 23:04:06 +02:00
head64.c x86: use descriptor's functions instead of inline assembly 2007-10-19 20:35:03 +02:00
head_32.S i386: paravirt boot sequence 2007-10-22 08:13:17 -07:00
head_64.S x86_64: move kernel 2007-10-11 11:17:24 +02:00
hpet.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
i386_ksyms_32.c x86: convert mm_context_t semaphore to a mutex 2007-10-17 20:17:05 +02:00
i387_32.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
i387_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
i8237.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
i8253.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
i8259_32.c i386: introduce "used_vectors" bitmap which can be used to reserve vectors. 2007-10-19 20:35:03 +02:00
i8259_64.c x86: more struct irqaction initializer cleanups 2007-10-17 20:16:07 +02:00
init_task.c x86: merge init_task_32/64.c 2007-10-19 20:35:02 +02:00
io_apic_32.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
io_apic_64.c Intel IOMMU: DMAR fault handling support 2007-10-22 08:13:19 -07:00
ioport_32.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
ioport_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
irq_32.c x86: also show non-zero IRQ counts for vectors that currently don't have a handler 2007-10-17 20:16:54 +02:00
irq_64.c x86: also show non-zero IRQ counts for vectors that currently don't have a handler 2007-10-17 20:16:54 +02:00
k8.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
kprobes_32.c kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
kprobes_64.c kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
ldt_32.c x86: convert mm_context_t semaphore to a mutex 2007-10-17 20:17:05 +02:00
ldt_64.c x86: convert mm_context_t semaphore to a mutex 2007-10-17 20:17:00 +02:00
machine_kexec_32.c Use extended crashkernel command line on i386 2007-10-19 11:53:49 -07:00
machine_kexec_64.c Use extended crashkernel command line on x86_64 2007-10-19 11:53:50 -07:00
Makefile x86: delete vsyscall files during make clean 2007-10-17 21:56:01 +02:00
Makefile_32 x86: Unify i386 and x86-64 early quirks 2007-10-19 20:35:03 +02:00
Makefile_64 x86: Unify i386 and x86-64 early quirks 2007-10-19 20:35:03 +02:00
mca_32.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
mce_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
mce_amd_64.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
mce_intel_64.c x86: expand /proc/interrupts to include missing vectors, v2 2007-10-17 20:16:53 +02:00
mfgpt_32.c x86: Geode MFGPT clock event device support 2007-10-12 23:04:06 +02:00
microcode.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
module_32.c
module_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
mpparse_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
mpparse_64.c x86: acpi use cpu_physical_id 2007-10-19 20:35:03 +02:00
msr.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
nmi_32.c x86: Fix irq0 / local apic timer accounting 2007-10-12 23:04:06 +02:00
nmi_64.c x86: Fix irq0 / local apic timer accounting 2007-10-12 23:04:07 +02:00
numaq_32.c
paravirt_32.c paravirt: clean up lazy mode handling 2007-10-16 11:51:29 -07:00
pci-calgary_64.c Update arch/ to use sg helpers 2007-10-22 21:19:59 +02:00
pci-dma_32.c i386: Clean up duplicate includes in arch/i386/kernel/ 2007-10-17 20:15:51 +02:00
pci-dma_64.c Intel IOMMU: Intel IOMMU driver 2007-10-22 08:13:18 -07:00
pci-gart_64.c Update arch/ to use sg helpers 2007-10-22 21:19:59 +02:00
pci-nommu_64.c Update arch/ to use sg helpers 2007-10-22 21:19:59 +02:00
pci-swiotlb_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
pcspeaker.c
pmtimer_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
process_32.c Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86 2007-10-19 15:06:00 -07:00
process_64.c kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
ptrace_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
ptrace_64.c x86: convert mm_context_t semaphore to a mutex 2007-10-17 20:17:00 +02:00
quirks.c x86: enable HPET on ICH3 and ICH4 2007-10-19 20:35:02 +02:00
reboot_32.c Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 2007-10-11 19:18:45 -07:00
reboot_64.c x86: use descriptor's functions instead of inline assembly 2007-10-19 20:35:03 +02:00
reboot_fixups_32.c GEODE: use symbolic constant in cs5536 reboot fixup 2007-10-19 20:35:02 +02:00
relocate_kernel_32.S
relocate_kernel_64.S x86_64: move kernel 2007-10-11 11:17:24 +02:00
scx200_32.c long vs. unsigned long - low-hanging fruits in drivers 2007-10-14 12:41:51 -07:00
setup64.c x86: use descriptor's functions instead of inline assembly 2007-10-19 20:35:03 +02:00
setup_32.c kexec: add BSS to resource tree 2007-10-22 08:13:19 -07:00
setup_64.c kexec: add BSS to resource tree 2007-10-22 08:13:19 -07:00
sigframe_32.h
signal_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
signal_64.c spelling fixes: arch/x86_64/ 2007-10-20 01:25:36 +02:00
smp_32.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
smp_64.c x86: implement missing x86_64 function smp_call_function_mask() 2007-10-19 20:35:03 +02:00
smpboot_32.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
smpboot_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
smpcommon_32.c
srat_32.c
stacktrace.c x86: constify stacktrace_ops 2007-10-17 20:16:11 +02:00
summit_32.c spelling fixes: arch/i386/ 2007-10-20 01:13:56 +02:00
suspend_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
suspend_asm_64.S Hibernation: Pass CR3 in the image header on x86_64 2007-10-18 14:37:19 -07:00
sys_i386_32.c remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
sys_x86_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
syscall_64.c i386/x86_64: move headers to include/asm-x86 2007-10-11 11:20:03 +02:00
syscall_table_32.S
sysenter_32.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
tce_64.c x86: Create clflush() inline, remove hardcoded wbinvd 2007-10-17 20:16:12 +02:00
time_32.c x86: Fix irq0 / local apic timer accounting 2007-10-12 23:04:06 +02:00
time_64.c x86_64: remove now unused code 2007-10-12 23:04:23 +02:00
topology.c i386: no need to make enable_cpu_hotplug a variable 2007-10-17 20:16:16 +02:00
trampoline_32.S x86: misc. constifications 2007-10-17 20:16:08 +02:00
trampoline_64.S x86: misc. constifications 2007-10-17 20:16:08 +02:00
traps_32.c Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86 2007-10-19 15:06:00 -07:00
traps_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
tsc_32.c x86: fix more TSC clock source calibration errors 2007-10-23 22:37:22 +02:00
tsc_64.c x86: convert cpuinfo_x86 array to a per_cpu array 2007-10-19 20:35:04 +02:00
tsc_sync.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
verify_cpu_64.S x86_64: move kernel 2007-10-11 11:17:24 +02:00
vm86_32.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
vmi_32.c paravirt: clean up lazy mode handling 2007-10-16 11:51:29 -07:00
vmiclock_32.c
vmlinux_32.lds.S
vmlinux_64.lds.S x86_64: move kernel 2007-10-11 11:17:24 +02:00
vmlinux.lds.S
vsmp_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
vsyscall_32.lds.S
vsyscall_32.S
vsyscall_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
vsyscall-int80_32.S
vsyscall-note_32.S
vsyscall-sigreturn_32.S
vsyscall-sysenter_32.S
x8664_ksyms_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00