linux-kernel - [PATCH v3 2/2] random32: Re-enable KCSAN instrumentation

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Date:   Tue, 24 Nov 2020 12:02:10 +0100
From:   Marco Elver <elver@...gle.com>
To:     elver@...gle.com, paulmck@...nel.org
Cc:     will@...nel.org, peterz@...radead.org, tglx@...utronix.de,
        mingo@...nel.org, mark.rutland@....com, boqun.feng@...il.com,
        dvyukov@...gle.com, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/2] random32: Re-enable KCSAN instrumentation

Re-enable KCSAN instrumentation, now that KCSAN no longer relies on code
in lib/random32.c.

Signed-off-by: Marco Elver <elver@...gle.com>
---
v3:
* Add patch to series, since KCSAN no longer needs lib/random32.c.
---
 lib/Makefile | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/lib/Makefile b/lib/Makefile
index ce45af50983a..301020c49533 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -27,9 +27,6 @@ KASAN_SANITIZE_string.o := n
 CFLAGS_string.o += -fno-stack-protector
 endif
 
-# Used by KCSAN while enabled, avoid recursion.
-KCSAN_SANITIZE_random32.o := n
-
 lib-y := ctype.o string.o vsprintf.o cmdline.o \
 	 rbtree.o radix-tree.o timerqueue.o xarray.o \
 	 idr.o extable.o sha1.o irq_regs.o argv_split.o \
-- 
2.29.2.454.gaff20da3a2-goog