diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2016-04-24 00:42:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-05 10:11:28 +0200 |
| commit | 8482716b9d865db34c55d4bf2fed19498e7195b9 (patch) | |
| tree | e6deb86e2422760a09ba227274e2faa36680c31f /kernel/bpf | |
| parent | cba1b3798e2c4c094f2079a0d4c1ba4ec2c5a9ac (diff) | |
perf/x86/amd/iommu: Do not register a task ctx for uncore like PMUs
The new sanity check introduced by:
26657848502b ("perf/core: Verify we have a single perf_hw_context PMU")
... triggered on the AMD IOMMU driver.
IOMMUs are not per logical CPU, they cannot have per-task counters. Fix it.
Reported-by: Borislav Petkov <bp@alien8.de>
Tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: jroedel@suse.de
Cc: suravee.suthikulpanit@amd.com
Link: http://lkml.kernel.org/r/20160423224255.GB3430@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf')
0 files changed, 0 insertions, 0 deletions