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

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Message-ID: <157441968693.21853.970992591741702327.tip-bot2@tip-bot2>
Date:   Fri, 22 Nov 2019 10:48:06 -0000
From:   "tip-bot2 for Marco Elver" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Marco Elver <elver@...gle.com>,
        "Paul E. McKenney" <paulmck@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: locking/kcsan] objtool, kcsan: Add KCSAN runtime functions to whitelist

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@...gle.com>
AuthorDate:    Thu, 14 Nov 2019 19:02:57 +01:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
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@...gle.com>
Acked-by: Paul E. McKenney <paulmck@...nel.org>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 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",