diff options
| author | Josh Poimboeuf <[email protected]> | 2016-12-13 21:25:35 -0600 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-12-14 08:48:05 +0100 |
| commit | ec2d86a9b646d93f1948569f368e2c6f5449e6c7 (patch) | |
| tree | ce13273c0fac628752f83f8e46137a2839b150e1 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 9d85eb9119f4eeeb48e87adfcd71f752655700e9 (diff) | |
x86/boot/64: Use 'push' instead of 'call' in start_cpu()
start_cpu() pushes a text address on the stack so that stack traces from
idle tasks will show start_cpu() at the end. But it uses a call
instruction to do that, which is rather obtuse. Use a straightforward
push instead.
Suggested-by: Borislav Petkov <[email protected]>
Signed-off-by: Josh Poimboeuf <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/4d8a1952759721d42d1e62ba9e4a7e3ac5df8574.1481685203.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions