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| author | Ingo Molnar <mingo@kernel.org> | 2016-03-07 09:27:30 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-07 09:27:30 +0100 |
| commit | ec87e1cf7d8399d81d8965c6d852f8057a8dd687 (patch) | |
| tree | 472a168fa4861090edf110c8a9712a5c15ea259f /arch/powerpc/kernel/hw_breakpoint.c | |
| parent | uprobes: __create_xol_area() must nullify xol_mapping.fault (diff) | |
| parent | Linux 4.5-rc7 (diff) | |
| download | linux-ec87e1cf7d8399d81d8965c6d852f8057a8dd687.tar.xz linux-ec87e1cf7d8399d81d8965c6d852f8057a8dd687.zip | |
Merge tag 'v4.5-rc7' into x86/asm, to pick up SMAP fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
| -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; } |