diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-01-18 04:45:32 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-01-19 12:14:02 -0500 |
| commit | 4f5a884fc212d99654e4fb36ba98d5354f0dd18e (patch) | |
| tree | f4ac26f5acd43be75cb9d3b2f89fa92c40dbc8ee /tools/perf/util/perf_regs.c | |
| parent | e09fccb5435d7b9ab3fd5dfeada8ae40cfa56e08 (diff) | |
| parent | 5f02ef741a785678930f3ff0a8b6b2b0ef1bb402 (diff) | |
| download | lwn-4f5a884fc212d99654e4fb36ba98d5354f0dd18e.tar.gz lwn-4f5a884fc212d99654e4fb36ba98d5354f0dd18e.zip | |
Merge branch 'kvm-pi-raw-spinlock' into HEAD
Bring in fix for VT-d posted interrupts before further changing the code in 5.17.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/perf/util/perf_regs.c')
| -rw-r--r-- | tools/perf/util/perf_regs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c index 5ee47ae1509c..06a7461ba864 100644 --- a/tools/perf/util/perf_regs.c +++ b/tools/perf/util/perf_regs.c @@ -25,6 +25,9 @@ int perf_reg_value(u64 *valp, struct regs_dump *regs, int id) int i, idx = 0; u64 mask = regs->mask; + if ((u64)id >= PERF_SAMPLE_REGS_CACHE_SIZE) + return -EINVAL; + if (regs->cache_mask & (1ULL << id)) goto out; |