diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-09-18 18:51:08 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-09-18 18:51:08 -0700 |
commit | eb5f95f1593f7c22dac681b19e815828e2af3efd (patch) | |
tree | bf4d3ade6ea157e7eb73e5700622af822525795d /kernel | |
parent | 92ab97adeefccf375de7ebaad9d5b75d4125fe8b (diff) | |
parent | cd4d3d5f21ddbfae3f686ac0ff405f21f7847ad3 (diff) |
Merge tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix order in trace_hardirqs_off_caller() to make locking state
consistent even if the IRQ tracer calls into lockdep again. Touches
common code. Acked-by Peter Zijlstra.
- Correctly handle secure storage violation exception to avoid kernel
panic triggered by user space misbehaviour.
- Switch the idle->seqcount over to using raw_write_*() to avoid
"suspicious RCU usage".
- Fix memory leaks on hard unplug in pci code.
- Use kvmalloc instead of kmalloc for larger allocations in zcrypt.
- Add few missing __init annotations to static functions to avoid
section mismatch complains when functions are not inlined.
* tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: add 3f program exception handler
lockdep: fix order in trace_hardirqs_off_caller()
s390/pci: fix leak of DMA tables on hard unplug
s390/init: add missing __init annotations
s390/zcrypt: fix kmalloc 256k failure
s390/idle: fix suspicious RCU usage
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/trace/trace_preemptirq.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c index f10073e62603..f4938040c228 100644 --- a/kernel/trace/trace_preemptirq.c +++ b/kernel/trace/trace_preemptirq.c @@ -102,14 +102,14 @@ NOKPROBE_SYMBOL(trace_hardirqs_on_caller); __visible void trace_hardirqs_off_caller(unsigned long caller_addr) { + lockdep_hardirqs_off(CALLER_ADDR0); + if (!this_cpu_read(tracing_irq_cpu)) { this_cpu_write(tracing_irq_cpu, 1); tracer_hardirqs_off(CALLER_ADDR0, caller_addr); if (!in_nmi()) trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr); } - - lockdep_hardirqs_off(CALLER_ADDR0); } EXPORT_SYMBOL(trace_hardirqs_off_caller); NOKPROBE_SYMBOL(trace_hardirqs_off_caller); |