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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-06 21:49:33 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-06 21:49:33 +0300 |
| commit | 7f9f879243d6cf5d2d60d12065e93189cc343387 (patch) | |
| tree | e74619a16f8291f7225ee9877cf93e530243e0d3 /kernel/trace/ring_buffer.c | |
| parent | 32f7aa2731b24ad8393f26d63df959d74844345f (diff) | |
| parent | fe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff) | |
| download | linux-7f9f879243d6cf5d2d60d12065e93189cc343387.tar.xz | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up some tools/perf/ patches that went via tip/perf/core, such
as:
tools/perf: Add mem_hops field in perf_mem_data_src structure
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index c5a3fbf19617..f6520d0a4c8c 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3167,14 +3167,9 @@ static __always_inline int trace_recursive_lock(struct ring_buffer_per_cpu *cpu_buffer) { unsigned int val = cpu_buffer->current_context; - unsigned long pc = preempt_count(); - int bit; + int bit = interrupt_context_level(); - if (!(pc & (NMI_MASK | HARDIRQ_MASK | SOFTIRQ_OFFSET))) - bit = RB_CTX_NORMAL; - else - bit = pc & NMI_MASK ? RB_CTX_NMI : - pc & HARDIRQ_MASK ? RB_CTX_IRQ : RB_CTX_SOFTIRQ; + bit = RB_CTX_NORMAL - bit; if (unlikely(val & (1 << (bit + cpu_buffer->nest)))) { /* |