[PATCH V2] x86/PCI: MMCONFIG: cleanup and add address warning to pci_mmconfig_insert

2013-07-27 Thread ethan . kernel
Cleanup the -EINVAL return value handling and add warning message for invalid start,end,addr parameters. V2: Corrected code style and tested for Linux v 3.11-rc2 Signed-off-by: ethan.zhao --- arch/x86/pci/mmconfig-shared.c | 12 ++-- 1 files changed, 6 insertions(+), 6 deletions(-) d

[PATCH V3]hrtimer: Fix a performance regression by disable reprogramming in remove_hrtimer

2013-07-27 Thread ethan . kernel
commit 968320b hrtimer: Fix extra wakeups from __remove_hrtimer() introduced a significant scheduler performance regression, following is the test: a. Test environment: SUN FIRE X4170 M2 SERVER CPU model name: Intel(R) Xeon(R) CPU X5675 @ 3.07GHz 2 socket X 6 core X 2 thread b. To eliminate th