AuxXxilium/linux_dsm_epyc7002
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8180a55028
linux_dsm_epyc7002/arch/x86_64/kernel
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Thomas Gleixner 8180a55028 x86_64: hpet tsc calibration fix broken smi detection logic 
The current SMI detection logic in read_hpet_tsc() makes sure,
that when a SMI happens between the read of the HPET counter and
the read of the TSC, this wrong value is used for TSC calibration.

This is not the intention of the function. The comparison must ensure,
that we do _NOT_ use such a value.

Fix the check to use calibration values where delta of the two TSC reads
is smaller than a reasonable threshold.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21 18:37:08 -07:00
..
acpi PM: Integrate beeping flag with existing acpi_sleep flags 2007-07-19 10:04:43 -07:00
cpufreq [CPUFREQ] the overdue removal of X86_SPEEDSTEP_CENTRINO_ACPI 2007-07-13 01:29:51 -04:00
aperture.c x86_64: off-by-two error in aperture.c 2007-05-11 12:53:00 -07:00
apic.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
asm-offsets.c [PATCH] x86-64: Auto compute __NR_syscall_max at compile time 2007-05-02 19:27:18 +02:00
audit.c [PATCH] audit signal recipients 2007-05-11 05:38:25 -04:00
bugs.c x86_64: Add asm/mtrr.h include for some builds 2007-05-12 09:47:15 -07:00
crash_dump.c [PATCH] kdump: read previous kernel's memory 2006-01-10 08:01:28 -08:00
crash.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
e820.c swsusp: do not use page flags 2007-05-07 12:12:59 -07:00
early_printk.c xen: use the hvc console infrastructure for Xen console 2007-07-18 08:47:44 -07:00
early-quirks.c [PATCH] x86: revert x86_64-mm-fix-the-irqbalance-quirk-for-e7320-e7520-e7525 2007-05-02 19:27:04 +02:00
entry.S x86_64: Ignore compat mode SYSCALL when IA32_EMULATION is not defined 2007-06-22 18:41:19 -07:00
genapic_flat.c [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c 2007-05-02 19:27:21 +02:00
genapic.c [PATCH] x86: adjust inclusion of asm/fixmap.h 2007-05-02 19:27:04 +02:00
head64.c x86_64: display more intuitive error message if kernel is not 2MB aligned 2007-05-11 08:29:32 -07:00
head.S x86: initial fixmap support 2007-07-16 09:05:35 -07:00
hpet.c x86_64: hpet tsc calibration fix broken smi detection logic 2007-07-21 18:37:08 -07:00
i387.c [PATCH] x86-64: use BUILD_BUG_ON in FPU code 2006-12-07 02:14:01 +01:00
i8259.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
init_task.c use the new percpu interface for shared data 2007-07-19 10:04:45 -07:00
io_apic.c x86_64: set the irq_chip name for lapic 2007-06-26 16:54:29 -07:00
ioport.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
irq.c x86_64 irq: use mask/unmask and proper locking in fixup_irqs() 2007-06-26 16:54:29 -07:00
k8.c Avoid zero size allocation in cache_k8_northbridges() 2007-05-23 20:14:12 -07:00
kprobes.c Kprobes: The ON/OFF knob thru debugfs 2007-05-08 11:15:19 -07:00
ldt.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
machine_kexec.c Revert "[PATCH] x86: __pa and __pa_symbol address space separation" 2007-05-07 08:44:24 -07:00
Makefile Use a new CPU feature word to cover features that are spread around 2007-07-12 10:55:54 -07:00
mce_amd.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
mce_intel.c [PATCH] x86: Add a cumulative thermal throttle event counter. 2006-09-26 10:52:42 +02:00
mce.c usermodehelper: Tidy up waiting 2007-07-18 08:47:40 -07:00
module.c [PATCH] Generic BUG for x86-64 2006-12-08 08:28:39 -08:00
mpparse.c x86_64: Don't rely on a unique IO-APIC ID 2007-07-21 18:37:07 -07:00
nmi.c x86_64: speedup touch_nmi_watchdog 2007-07-17 10:23:04 -07:00
pci-calgary.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pci-dma.c PCI: remove pci_dac_dma_... APIs 2007-07-11 16:02:11 -07:00
pci-gart.c x86_64: off-by-two error in aperture.c 2007-05-11 12:53:00 -07:00
pci-nommu.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pci-swiotlb.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pmtimer.c [PATCH] time: x86_64: convert x86_64 to use GENERIC_TIME 2007-02-16 08:14:00 -08:00
process.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
ptrace.c Handle bogus %cs selector in single-step instruction decoding 2007-07-18 12:09:01 -07:00
reboot.c Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
relocate_kernel.S [PATCH] Avoid overwriting the current pgd (V4, x86_64) 2006-09-26 10:52:38 +02:00
setup64.c x86_64: Ignore compat mode SYSCALL when IA32_EMULATION is not defined 2007-06-22 18:41:19 -07:00
setup.c i386: Add L3 cache support to AMD CPUID4 emulation 2007-07-21 18:37:08 -07:00
signal.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
smp.c x86_64: Don't use softirq safe locks in smp_call_function 2007-07-21 18:37:08 -07:00
smpboot.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
stacktrace.c simplify the stacktrace code 2007-05-08 11:14:58 -07:00
suspend_asm.S [PATCH] x86-64: Relocatable Kernel Support 2007-05-02 19:27:07 +02:00
suspend.c [PATCH] x86: Save and restore the fixed-range MTRRs of the BSP when suspending 2007-05-02 19:27:17 +02:00
sys_x86_64.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
syscall.c [PATCH] x86-64: Auto compute __NR_syscall_max at compile time 2007-05-02 19:27:18 +02:00
tce.c Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
time.c x86_64: Add vDSO for x86-64 with gettimeofday/clock_gettime/getcpu 2007-07-21 18:37:08 -07:00
trampoline.S [PATCH] x86-64: Move cpu verification code to common file 2007-05-02 19:27:08 +02:00
traps.c drivers/edac: add new nmi rescan 2007-07-19 10:04:53 -07:00
tsc_sync.c [PATCH] x86: Log reason why TSC was marked unstable 2007-05-02 19:27:08 +02:00
tsc.c lguest: the host code 2007-07-19 10:04:52 -07:00
verify_cpu.S Unify the CPU features vectors between i386 and x86-64 2007-07-12 10:55:54 -07:00
vmlinux.lds.S x86_64: Add vDSO for x86-64 with gettimeofday/clock_gettime/getcpu 2007-07-21 18:37:08 -07:00
vsmp.c [PATCH] Fix build breakage with CONFIG_X86_VSMP 2006-10-12 12:25:27 -07:00
vsyscall.c x86_64: Add vDSO for x86-64 with gettimeofday/clock_gettime/getcpu 2007-07-21 18:37:08 -07:00
x8664_ksyms.c [PATCH] x86: Export _proxy_pda for gcc 4.2 2007-03-16 21:07:36 +01:00