diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2022-03-08 16:30:30 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-03-15 10:32:37 +0100 |
| commit | d15cb3dab1e4f00e29599a4f5e1f6678a530d270 (patch) | |
| tree | 0a1cdf9129615771da2f0f2cabc00274b60e2ce4 /lib/errseq.c | |
| parent | x86/ibt,ftrace: Search for __fentry__ location (diff) | |
| download | linux-dev-d15cb3dab1e4f00e29599a4f5e1f6678a530d270.tar.xz linux-dev-d15cb3dab1e4f00e29599a4f5e1f6678a530d270.zip | |
x86/livepatch: Validate __fentry__ location
Currently livepatch assumes __fentry__ lives at func+0, which is most
likely untrue with IBT on. Instead make it use ftrace_location() by
default which both validates and finds the actual ip if there is any
in the same symbol.
Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154318.285971256@infradead.org
Diffstat (limited to 'lib/errseq.c')
0 files changed, 0 insertions, 0 deletions