tree 472749fef9b017e9a4d94f9e07a29dc44c3294cb
parent 6eb0a0fd059598ee0d49c6283ce25cccd743e9fc
author Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> 1137015864 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> 1137035094 -0800

[PATCH] x86_64: Handle missing local APIC timer interrupts on C3 state

Whenever we see that a CPU is capable of C3 (during ACPI cstate init), we
disable local APIC timer and switch to using a broadcast from external timer
interrupt (IRQ 0).

Patch below adds the code for x86_64.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>