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authorMichael S. Tsirkin <mst@redhat.com>2012-05-16 16:03:52 (GMT)
committerIngo Molnar <mingo@kernel.org>2012-05-18 07:46:08 (GMT)
commit2a43195d831997551da93e6b3c22c965e93fe9cc (patch)
treeb7ad184a43adb4018aab793efda8524b5ba5e280 /arch/x86/kernel/apic/apic_numachip.c
parent4ebcc243901c48ee3baba6bdf179c7315fa8806f (diff)
downloadlinux-2a43195d831997551da93e6b3c22c965e93fe9cc.tar.xz
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/apic_numachip.c')
-rw-r--r--arch/x86/kernel/apic/apic_numachip.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 23e7542..6ec6d5d 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -295,6 +295,7 @@ static struct apic apic_numachip __refconst = {
.read = native_apic_mem_read,
.write = native_apic_mem_write,
+ .eoi_write = native_apic_mem_write,
.icr_read = native_apic_icr_read,
.icr_write = native_apic_icr_write,
.wait_icr_idle = native_apic_wait_icr_idle,