Commit-ID: 100ac5331519866afa9b000b10642b00cb6d03dd Gitweb: http://git.kernel.org/tip/100ac5331519866afa9b000b10642b00cb6d03dd Author: Peter Zijlstra <pet...@infradead.org> AuthorDate: Wed, 3 Jul 2013 09:55:42 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Fri, 5 Jul 2013 08:27:15 +0200
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 <torva...@linux-foundation.org> Signed-off-by: Peter Zijlstra <pet...@infradead.org> Acked-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com> Cc: Arnaldo Carvalho de Melo <a...@infradead.org> Link: http://lkml.kernel.org/r/20130703075542.gf23...@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/kernel/cpu/perf_event_amd_iommu.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c index 0db655e..639d128 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c +++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c @@ -491,10 +491,8 @@ static struct perf_amd_iommu __perf_iommu = { static __init int amd_iommu_pc_init(void) { /* Make sure the IOMMU PC resource is available */ - if (!amd_iommu_pc_supported()) { - pr_err("perf: amd_iommu PMU not installed. No support!\n"); + if (!amd_iommu_pc_supported()) return -ENODEV; - } _init_perf_amd_iommu(&__perf_iommu, "amd_iommu"); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
