From: Peter Zijlstra peterz@infradead.org
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 --- tools/objtool/check.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -366,7 +366,8 @@ static int decode_instructions(struct ob 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) {