diff options
| author | Jan Beulich <JBeulich@suse.com> | 2012-02-24 14:54:37 +0000 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2012-02-24 14:05:14 -0500 |
| commit | 626109130267713cac020515504ec341e47c96f9 (patch) | |
| tree | b399c02e5c46536b3feef94df0ceb14ddf50c03a /tools/perf/scripts/python | |
| parent | x86: Specify a size for the cmp in the NMI handler (diff) | |
| download | linux-626109130267713cac020515504ec341e47c96f9.tar.gz linux-626109130267713cac020515504ec341e47c96f9.zip | |
x86-64: Fix CFI annotations for NMI nesting code
The saving and restoring of %rdx wasn't annotated at all, and the
jumping over sections where state gets partly restored wasn't handled
either.
Further, by folding the pushing of the previous frame in repeat_nmi
into that which so far was immediately preceding restart_nmi (after
moving the restore of %rdx ahead of that, since it doesn't get used
anymore when pushing prior frames), annotations of the replicated
frame creations can be made consistent too.
v2: Fully fold repeat_nmi into the normal code flow (adding a single
redundant instruction to the "normal" code path), thus retaining
the special protection of all instructions between repeat_nmi and
end_repeat_nmi.
Link: http://lkml.kernel.org/r/4F478B630200007800074A31@nat28.tlf.novell.com
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions