summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/apic/x2apic_phys.c
diff options
context:
space:
mode:
authorMichael S. Tsirkin <mst@redhat.com>2012-05-16 19:03:52 +0300
committerIngo Molnar <mingo@kernel.org>2012-05-18 09:46:08 +0200
commit2a43195d831997551da93e6b3c22c965e93fe9cc (patch)
treeb7ad184a43adb4018aab793efda8524b5ba5e280 /arch/x86/kernel/apic/x2apic_phys.c
parent4ebcc243901c48ee3baba6bdf179c7315fa8806f (diff)
x86/apic: Add apic->eoi_write() callback
Add eoi_write callback so that kvm can override eoi accesses without touching the rest of the apic. As a side-effect, this will enable a micro-optimization for apics using msr. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Cc: Avi Kivity <avi@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: gleb@redhat.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/0df425d746c49ac2ecc405174df87752869629d2.1337184153.git.mst@redhat.com [ tidied it up a bit ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 991e315f4227..834035666b8d 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -172,6 +172,7 @@ static struct apic apic_x2apic_phys = {
.read = native_apic_msr_read,
.write = native_apic_msr_write,
+ .eoi_write = native_apic_msr_write,
.icr_read = native_x2apic_icr_read,
.icr_write = native_x2apic_icr_write,
.wait_icr_idle = native_x2apic_wait_icr_idle,