diff options
| author | Dave Martin <[email protected]> | 2017-01-18 16:25:24 +0000 |
|---|---|---|
| committer | Catalin Marinas <[email protected]> | 2017-01-18 18:05:12 +0000 |
| commit | ad9e202aa1ce571b1d7fed969d06f66067f8a086 (patch) | |
| tree | 75379a242a506cf3d3195946e9c2c1b755708979 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | aeb1f39d814b2e21e5e5706a48834bfd553d0059 (diff) | |
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
We cannot preserve partial fields for hardware breakpoints, because
the values written by userspace to the hardware breakpoint
registers can't subsequently be recovered intact from the hardware.
So, just reject attempts to write incomplete fields with -EINVAL.
Cc: <[email protected]> # 3.7.x-
Fixes: 478fcb2cdb23 ("arm64: Debugging support")
Signed-off-by: Dave Martin <[email protected]>
Acked-by: Will Deacon <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions