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author | Masami Hiramatsu <mhiramat@kernel.org> | 2022-03-26 05:27:40 +0300 |
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committer | Alexei Starovoitov <ast@kernel.org> | 2022-03-29 05:38:51 +0300 |
commit | 45c23bf4d1a416d32e509f83719a7399e35bdaf9 (patch) | |
tree | 173ff987862f7193b5b7145b96c510ae3d8841b2 /tools/perf/scripts/python/export-to-sqlite.py | |
parent | 0ef6f5c09371f17e142814e6996d6dfb8741925b (diff) | |
download | linux-45c23bf4d1a416d32e509f83719a7399e35bdaf9.tar.xz |
x86,kprobes: Fix optprobe trampoline to generate complete pt_regs
Currently the optprobe trampoline template code ganerate an
almost complete pt_regs on-stack, everything except regs->ss.
The 'regs->ss' points to the top of stack, which is not a
valid segment decriptor.
As same as the rethook does, complete the job by also pushing ss.
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/164826166027.2455864.14759128090648961900.stgit@devnote2
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions