diff options
| author | Andy Lutomirski <[email protected]> | 2015-12-16 23:18:48 -0800 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2015-12-21 16:05:01 +0100 |
| commit | 30bfa7b3488bfb1bb75c9f50a5fcac1832970c60 (patch) | |
| tree | af1e7d3bb55f826b936c7a292b8f0f389b641222 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 6a613ac6bc015f8ef75806d397d69dbac4a8d8c4 (diff) | |
x86/entry: Restore traditional SYSENTER calling convention
It turns out that some Android versions hardcode the SYSENTER
calling convention. This is buggy and will cause problems no
matter what the kernel does. Nonetheless, we should try to
support it.
Credit goes to Linus for pointing out a clean way to handle
the SYSENTER/SYSCALL clobber differences while preserving
straightforward DWARF annotations.
I believe that the original offending Android commit was:
https://android.googlesource.com/platform%2Fbionic/+/7dc3684d7a2587e43e6d2a8e0e3f39bf759bd535
Reported-by: Qiuxu Zhuo <[email protected]>
Signed-off-by: Andy Lutomirski <[email protected]>
Reviewed-and-tested-by: Borislav Petkov <[email protected]>
Cc: <[email protected]>
Cc: Su Tao <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Mingwei Shi <[email protected]>
Cc: Linus Torvalds <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions