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linux-stable-rt/arch/x86_64/kernel
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Clemens Ladisch 7811fb8f40 [PATCH] hpet-RTC: cache the comparator register 
Reads from an HPET register require a round trip to the south bridge and are
almost as slow as PCI reads.  By caching the last value we've written to the
comparator register, we can eliminate all HPET reads from the fast path in the
emulated RTC interrupt handler.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2005-10-30 17:37:30 -08:00
..
acpi [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
cpufreq
…
Makefile [PATCH] x86-64: Merge msr.c with i386 version 2005-09-12 10:50:57 -07:00
aperture.c [PATCH] x86-64: Don't allocate aperture when swiotlb is enabled and no AGP found 2005-09-12 10:49:56 -07:00
apic.c [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
asm-offsets.c [PATCH] x86-64: Some cleanup and optimization to the processor data area. 2005-09-12 10:49:58 -07:00
crash.c [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
e820.c [PATCH] x86_64: e820.c needs module.h 2005-09-17 11:50:00 -07:00
early_printk.c [PATCH] x86-64: Add simnow console 2005-09-12 10:49:58 -07:00
entry.S [PATCH] x86-64: Fix CFI information 2005-09-12 10:50:56 -07:00
genapic.c [PATCH] x86-64: Use physflat on Intel for < 8 CPUs with CPU hotplug 2005-09-12 10:50:56 -07:00
genapic_cluster.c
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genapic_flat.c [PATCH] x86-64: Delivery mode should be APIC_DM_FIXED when using physical mode. 2005-09-12 10:50:56 -07:00
head.S [PATCH] x86_64: Drop global bit from early low mappings 2005-10-04 15:56:52 -07:00
head64.c
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i387.c
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i8259.c [PATCH] introduce setup_timer() helper 2005-10-30 17:37:17 -08:00
init_task.c [PATCH] x86-64: Set the stack pointer correctly in init_thread and init_tss 2005-09-12 10:50:57 -07:00
io_apic.c Partially revert "Fix time going twice as fast problem on ATI Xpress chipsets" 2005-09-14 15:56:27 -07:00
ioport.c
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irq.c [PATCH] Remove unnecessary BUG_ON in irq.c 2005-09-12 10:50:55 -07:00
kprobes.c [PATCH] utilization of kprobe_mutex is incorrect on x86_64 2005-09-30 12:41:20 -07:00
ldt.c
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machine_kexec.c
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mce.c [PATCH] x86_64: Fix mce_log 2005-09-29 15:41:42 -07:00
mce_intel.c
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module.c
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mpparse.c [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
nmi.c [PATCH] x86_64: NMI watchdog frequency calculation adjustments 2005-09-13 08:22:33 -07:00
pci-dma.c
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pci-gart.c [PATCH] gfp_t: dma-mapping (amd64) 2005-10-28 08:16:48 -07:00
pci-nommu.c [PATCH] gfp_t: dma-mapping (amd64) 2005-10-28 08:16:48 -07:00
pmtimer.c
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process.c [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
ptrace.c
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reboot.c
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relocate_kernel.S
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setup.c [PATCH] x86: vmx cpu feature detection 2005-10-30 17:37:13 -08:00
setup64.c [PATCH] x86_64: Allocate cpu local data for all possible CPUs 2005-10-10 16:33:25 -07:00
signal.c
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smp.c [PATCH] x86-64: more gratitious linux/irq.h includes 2005-09-12 10:50:58 -07:00
smpboot.c [PATCH] x86_64: Allocate cpu local data for all possible CPUs 2005-10-10 16:33:25 -07:00
suspend.c [PATCH] swsusp: rework memory freeing on resume 2005-10-30 17:37:14 -08:00
suspend_asm.S [PATCH] x86_64: Set up safe page tables during resume 2005-10-10 08:36:46 -07:00
sys_x86_64.c
…
syscall.c
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time.c [PATCH] hpet-RTC: cache the comparator register 2005-10-30 17:37:30 -08:00
trampoline.S
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traps.c [PATCH] x86-64: reduce x86-64 bug frame by 4 bytes 2005-09-12 10:50:58 -07:00
vmlinux.lds.S
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vsyscall.c [PATCH] x86-64: Prevent gcc 4 from optimizing away vsyscalls 2005-09-12 10:50:56 -07:00
x8664_ksyms.c [LIB]: Consolidate _atomic_dec_and_lock() 2005-09-14 21:47:01 -07:00