diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2022-06-15 00:15:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-25 12:26:39 +0300 |
| commit | c70d6f82141b89db6c076b0cbf9a7a2edc29e46d (patch) | |
| tree | 12217f2ac18867d6ff9493c36968b202af998881 /tools | |
| parent | c9eb5dcdc8f4a848b45b97725f5a2b8d324bb31a (diff) | |
| download | linux-c70d6f82141b89db6c076b0cbf9a7a2edc29e46d.tar.xz | |
objtool: Treat .text.__x86.* as noinstr
commit 951ddecf435659553ed15a9214e153a3af43a9a1 upstream.
Needed because zen_untrain_ret() will be called from noinstr code.
Also makes sense since the thunks MUST NOT contain instrumentation nor
be poked with dynamic instrumentation.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/objtool/check.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 95c2fd945a1b..f3cc59714ed4 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -366,7 +366,8 @@ static int decode_instructions(struct objtool_file *file) sec->text = true; if (!strcmp(sec->name, ".noinstr.text") || - !strcmp(sec->name, ".entry.text")) + !strcmp(sec->name, ".entry.text") || + !strncmp(sec->name, ".text.__x86.", 12)) sec->noinstr = true; for (offset = 0; offset < sec->len; offset += insn->len) { |