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authorJohannes Berg <johannes.berg@intel.com>2022-10-10 11:03:31 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-10-10 11:03:43 +0200
commitdfd2d876b3fda1790bc0239ba4c6967e25d16e91 (patch)
tree45c2ec4b25afdf7b521dec642f6b75112bb401a3 /tools/objtool/check.c
parenta790cc3a4fad75048295571a350b95b87e022a5a (diff)
parent10d5ea5a436da8d60cdb5845f454d595accdbce0 (diff)
Merge remote-tracking branch 'wireless/main' into wireless-next
Pull in wireless/main content since some new code would otherwise conflict with it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'tools/objtool/check.c')
-rw-r--r--tools/objtool/check.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index e55fdf952a3a..a8cf38639fe8 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -1073,6 +1073,9 @@ static const char *uaccess_safe_builtin[] = {
"copy_mc_fragile_handle_tail",
"copy_mc_enhanced_fast_string",
"ftrace_likely_update", /* CONFIG_TRACE_BRANCH_PROFILING */
+ "clear_user_erms",
+ "clear_user_rep_good",
+ "clear_user_original",
NULL
};
@@ -3316,6 +3319,10 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
next_insn = next_insn_to_validate(file, insn);
if (func && insn->func && func != insn->func->pfunc) {
+ /* Ignore KCFI type preambles, which always fall through */
+ if (!strncmp(func->name, "__cfi_", 6))
+ return 0;
+
WARN("%s() falls through to next function %s()",
func->name, insn->func->name);
return 1;
@@ -4113,7 +4120,9 @@ static int validate_ibt(struct objtool_file *file)
!strcmp(sec->name, "__bug_table") ||
!strcmp(sec->name, "__ex_table") ||
!strcmp(sec->name, "__jump_table") ||
- !strcmp(sec->name, "__mcount_loc"))
+ !strcmp(sec->name, "__mcount_loc") ||
+ !strcmp(sec->name, ".kcfi_traps") ||
+ strstr(sec->name, "__patchable_function_entries"))
continue;
list_for_each_entry(reloc, &sec->reloc->reloc_list, list)