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| author | Dave Martin <Dave.Martin@arm.com> | 2017-01-18 16:25:21 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-01-18 18:05:06 +0000 |
| commit | 9dd73f72f218320c6c90da5f834996e7360dc227 (patch) | |
| tree | c2eb10e5efeb801c7ecde2d37569497bb388c347 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 9a17b876b573441bfb3387ad55d98bf7184daf9d (diff) | |
arm64/ptrace: Preserve previous registers for short regset write
Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.
Cc: <stable@vger.kernel.org> # 3.19.x-
Fixes: 766a85d7bc5d ("arm64: ptrace: add NT_ARM_SYSTEM_CALL regset")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <Will.Deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions