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[PATCH] x86_64: drop old APIC workaround
authorAndi Kleen <ak@muc.de>
Wed, 20 Oct 2004 01:10:56 +0000 (18:10 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Wed, 20 Oct 2004 01:10:56 +0000 (18:10 -0700)
commit192b351645d9b212d201dd6ef324eb934fb6e61e
tree518eb895d3ee09f204219e5e2ad272213ce53c52tree | snapshot
parent9229204bae3b2928b68351bc3a2c26769ea74047commit | diff
[PATCH] x86_64: drop old APIC workaround

Suggested by Ingo Molnar.

Drop APIC level workaround for old IO-APICs on x86-64 because it is a
significant part of interrupt handling time.  x86-64 only runs on modern
chipsets that probably don't have this bug.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/io_apic.c diff | blob | history
Linux kernels and configurations used by Zygo.