diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-11 17:49:01 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-11 17:49:01 +0000 |
| commit | 3e98a021cc85e7d52acdd1eae8a988e975ec5bf9 (patch) | |
| tree | cecfac58b9550a602555a02a9d583ed0f3378b38 /kernel/events/internal.h | |
| parent | 58f7553fa424fd0fd74e8b796d50c66014cebebe (diff) | |
| parent | 2fee9583198eb97b5351feda7bd825e0f778385c (diff) | |
Merge remote-tracking branch 'spi/for-5.11' into spi-next
Diffstat (limited to 'kernel/events/internal.h')
| -rw-r--r-- | kernel/events/internal.h | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/kernel/events/internal.h b/kernel/events/internal.h index fcbf5616a441..228801e20788 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -205,16 +205,12 @@ DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user) static inline int get_recursion_context(int *recursion) { - int rctx; - - if (unlikely(in_nmi())) - rctx = 3; - else if (in_irq()) - rctx = 2; - else if (in_softirq()) - rctx = 1; - else - rctx = 0; + unsigned int pc = preempt_count(); + unsigned char rctx = 0; + + rctx += !!(pc & (NMI_MASK)); + rctx += !!(pc & (NMI_MASK | HARDIRQ_MASK)); + rctx += !!(pc & (NMI_MASK | HARDIRQ_MASK | SOFTIRQ_OFFSET)); if (recursion[rctx]) return -1; |