[tip: locking/kcsan] objtool, kcsan: Add KCSAN runtime functions to whitelist

[tip-bot2 for Marco Elver]

The following commit has been merged into the locking/kcsan branch of tip:

Commit-ID:     5f5c971292b43fed68273d5cba7202f6bd953df9
Gitweb:        https://git.kernel.org/tip/5f5c971292b43fed68273d5cba7202f6bd953df9
Author:        Marco Elver <elver@xxxxxxxxxx>
AuthorDate:    Thu, 14 Nov 2019 19:02:57 +01:00
Committer:     Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Sat, 16 Nov 2019 07:23:14 -08:00

objtool, kcsan: Add KCSAN runtime functions to whitelist

This patch adds KCSAN runtime functions to the objtool whitelist.

Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 tools/objtool/check.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 044c9a3..e022a9a 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -466,6 +466,24 @@ static const char *uaccess_safe_builtin[] = {
 	"__asan_report_store4_noabort",
 	"__asan_report_store8_noabort",
 	"__asan_report_store16_noabort",
+	/* KCSAN */
+	"kcsan_found_watchpoint",
+	"kcsan_setup_watchpoint",
+	/* KCSAN/TSAN */
+	"__tsan_func_entry",
+	"__tsan_func_exit",
+	"__tsan_read_range",
+	"__tsan_write_range",
+	"__tsan_read1",
+	"__tsan_read2",
+	"__tsan_read4",
+	"__tsan_read8",
+	"__tsan_read16",
+	"__tsan_write1",
+	"__tsan_write2",
+	"__tsan_write4",
+	"__tsan_write8",
+	"__tsan_write16",
 	/* KCOV */
 	"write_comp_data",
 	"__sanitizer_cov_trace_pc",