Message ID | 20200414031659.58875-16-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State | Superseded |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, 10 lines checked |
snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index d8c0f01e4b24..99e9138661e4 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1382,6 +1382,10 @@ bpt_cmds(void) printf("Hardware data breakpoint not supported on this cpu\n"); break; } + if (dabr.enabled) { + printf("Couldn't find free breakpoint register\n"); + break; + } mode = 7; cmd = inchar(); if (cmd == 'r')
Xmon allows overwriting breakpoints because it's supported by only one dawr. But with multiple dawrs, overwriting becomes ambiguous or unnecessary complicated. So let's not allow it. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> --- arch/powerpc/xmon/xmon.c | 4 ++++ 1 file changed, 4 insertions(+)