Message ID | 20200414031659.58875-8-ravi.bangoria@linux.ibm.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | powerpc/watchpoint: Preparation for more than one watchpoint | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (a9aa21d05c33c556e48c5062b6632a9b94906570) |
snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 22 lines checked |
snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index 1120c7d9db58..d472b2eb757e 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -78,14 +78,14 @@ extern void ptrace_triggered(struct perf_event *bp, struct perf_sample_data *data, struct pt_regs *regs); static inline void hw_breakpoint_disable(void) { - struct arch_hw_breakpoint brk; - - brk.address = 0; - brk.type = 0; - brk.len = 0; - brk.hw_len = 0; - if (ppc_breakpoint_available()) - __set_breakpoint(0, &brk); + int i; + struct arch_hw_breakpoint null_brk = {0}; + + if (!ppc_breakpoint_available()) + return; + + for (i = 0; i < nr_wp_slots(); i++) + __set_breakpoint(i, &null_brk); } extern void thread_change_pc(struct task_struct *tsk, struct pt_regs *regs); int hw_breakpoint_handler(struct die_args *args);
Instead of disabling only one watchpoint, get num of available watchpoints dynamically and disable all of them. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> --- arch/powerpc/include/asm/hw_breakpoint.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)