kernel-fxtec-pro1x/arch/x86
Robert Richter 4295ee6266 perf_counter, x86: rework pmc_amd_save_disable_all() and pmc_amd_restore_all()
MSR reads and writes are expensive. This patch adds checks to avoid
its usage where possible.

[ Impact: micro-optimization on AMD CPUs ]

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1241002046-8832-5-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-29 14:51:02 +02:00
..
boot x86, setup: un-resequence mode setting for VGA 80x34 and 80x60 modes 2009-04-07 10:59:25 -07:00
configs
crypto
ia32 Merge branch 'linus' into perfcounters/core 2009-04-29 14:47:05 +02:00
include/asm Merge branch 'linus' into perfcounters/core 2009-04-29 14:47:05 +02:00
kernel perf_counter, x86: rework pmc_amd_save_disable_all() and pmc_amd_restore_all() 2009-04-29 14:51:02 +02:00
kvm KVM: Unregister cpufreq notifier on unload 2009-04-22 13:54:33 +03:00
lguest clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
lib
math-emu Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
mm Merge branch 'linus' into perfcounters/core 2009-04-29 14:47:05 +02:00
oprofile Merge branch 'linus' into perfcounters/core-v2 2009-04-06 09:02:57 +02:00
pci x86/PCI: don't bother with root quirks if _CRS is used 2009-04-22 15:06:29 -07:00
power x86: disable stack-protector for __restore_processor_state() 2009-04-03 19:48:41 +02:00
vdso
video
xen clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
Kconfig Merge branch 'linus' into perfcounters/core 2009-04-29 14:47:05 +02:00
Kconfig.cpu x86: disable X86_PTRACE_BTS for now 2009-04-15 23:15:14 +02:00
Kconfig.debug generic debug pagealloc: build fix 2009-04-02 19:04:48 -07:00
Makefile x86, kbuild: make "make install" not depend on vmlinux 2009-04-17 22:43:12 +02:00
Makefile_32.cpu