perf/x86/amd: Do not print an error when the device is not present
authorPeter Zijlstra <peterz@infradead.org>
Wed, 3 Jul 2013 07:55:42 +0000 (09:55 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 5 Jul 2013 06:27:15 +0000 (08:27 +0200)
commit100ac5331519866afa9b000b10642b00cb6d03dd
treedfbf9b1aa0a198412636ed7078687c595df9ded2
parent7c6809ff2bd63d4c97ce9e0b94d39d5180842c48
perf/x86/amd: Do not print an error when the device is not present

As Linus said its not an error to not have an AMD IOMMU; esp.
when you're not even running on an AMD platform.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Link: http://lkml.kernel.org/r/20130703075542.GF23916@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/cpu/perf_event_amd_iommu.c