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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 11:08:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 11:08:06 -0800 |
| commit | b8155fe1b2963ab2c53140929eb2362afcb9ccfe (patch) | |
| tree | 5e63f57ce23f68094676205059bb53df4b7b5ec3 /arch/powerpc/kernel | |
| parent | 7addb7fa1085e29398c2aef43f0b98c3c4b7e749 (diff) | |
| parent | 37c5e942bb2eedd98c1cd1fa1f94d79f6b830c38 (diff) | |
| download | linux-b8155fe1b2963ab2c53140929eb2362afcb9ccfe.tar.bz2 | |
Merge tag 'powerpc-4.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- cxl: Fix PSL timebase synchronization detection from Frederic Barrat
- Fix oops when destroying hw_breakpoint event from Ravi Bangoria
- Avoid lbarx on e5500 from Scott Wood
* tag 'powerpc-4.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/fsl-book3e: Avoid lbarx on e5500
powerpc/hw_breakpoint: Fix oops when destroying hw_breakpoint event
cxl: Fix PSL timebase synchronization detection
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/hw_breakpoint.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 05e804cdecaa..aec9a1b1d25b 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -109,8 +109,9 @@ void arch_unregister_hw_breakpoint(struct perf_event *bp) * If the breakpoint is unregistered between a hw_breakpoint_handler() * and the single_step_dabr_instruction(), then cleanup the breakpoint * restoration variables to prevent dangling pointers. + * FIXME, this should not be using bp->ctx at all! Sayeth peterz. */ - if (bp->ctx && bp->ctx->task) + if (bp->ctx && bp->ctx->task && bp->ctx->task != ((void *)-1L)) bp->ctx->task->thread.last_hit_ubp = NULL; } |