From: Marco Elver <elver@google.com>
To: elver@google.com, paulmck@kernel.org
Cc: will@kernel.org, peterz@infradead.org, arnd@arndb.de,
mark.rutland@arm.com, dvyukov@google.com, glider@google.com,
kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Subject: [PATCH v2 7/8] asm-generic/bitops: Use instrument_read_write() where appropriate
Date: Fri, 24 Jul 2020 09:00:07 +0200 [thread overview]
Message-ID: <20200724070008.1389205-8-elver@google.com> (raw)
In-Reply-To: <20200724070008.1389205-1-elver@google.com>
Use the new instrument_read_write() where appropriate.
Signed-off-by: Marco Elver <elver@google.com>
---
include/asm-generic/bitops/instrumented-atomic.h | 6 +++---
include/asm-generic/bitops/instrumented-lock.h | 2 +-
include/asm-generic/bitops/instrumented-non-atomic.h | 6 +++---
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/asm-generic/bitops/instrumented-atomic.h b/include/asm-generic/bitops/instrumented-atomic.h
index fb2cb33a4013..81915dcd4b4e 100644
--- a/include/asm-generic/bitops/instrumented-atomic.h
+++ b/include/asm-generic/bitops/instrumented-atomic.h
@@ -67,7 +67,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr)
*/
static inline bool test_and_set_bit(long nr, volatile unsigned long *addr)
{
- instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch_test_and_set_bit(nr, addr);
}
@@ -80,7 +80,7 @@ static inline bool test_and_set_bit(long nr, volatile unsigned long *addr)
*/
static inline bool test_and_clear_bit(long nr, volatile unsigned long *addr)
{
- instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch_test_and_clear_bit(nr, addr);
}
@@ -93,7 +93,7 @@ static inline bool test_and_clear_bit(long nr, volatile unsigned long *addr)
*/
static inline bool test_and_change_bit(long nr, volatile unsigned long *addr)
{
- instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch_test_and_change_bit(nr, addr);
}
diff --git a/include/asm-generic/bitops/instrumented-lock.h b/include/asm-generic/bitops/instrumented-lock.h
index b9bec468ae03..75ef606f7145 100644
--- a/include/asm-generic/bitops/instrumented-lock.h
+++ b/include/asm-generic/bitops/instrumented-lock.h
@@ -52,7 +52,7 @@ static inline void __clear_bit_unlock(long nr, volatile unsigned long *addr)
*/
static inline bool test_and_set_bit_lock(long nr, volatile unsigned long *addr)
{
- instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch_test_and_set_bit_lock(nr, addr);
}
diff --git a/include/asm-generic/bitops/instrumented-non-atomic.h b/include/asm-generic/bitops/instrumented-non-atomic.h
index 20f788a25ef9..f86234c7c10c 100644
--- a/include/asm-generic/bitops/instrumented-non-atomic.h
+++ b/include/asm-generic/bitops/instrumented-non-atomic.h
@@ -68,7 +68,7 @@ static inline void __change_bit(long nr, volatile unsigned long *addr)
*/
static inline bool __test_and_set_bit(long nr, volatile unsigned long *addr)
{
- instrument_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch___test_and_set_bit(nr, addr);
}
@@ -82,7 +82,7 @@ static inline bool __test_and_set_bit(long nr, volatile unsigned long *addr)
*/
static inline bool __test_and_clear_bit(long nr, volatile unsigned long *addr)
{
- instrument_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch___test_and_clear_bit(nr, addr);
}
@@ -96,7 +96,7 @@ static inline bool __test_and_clear_bit(long nr, volatile unsigned long *addr)
*/
static inline bool __test_and_change_bit(long nr, volatile unsigned long *addr)
{
- instrument_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_read_write(addr + BIT_WORD(nr), sizeof(long));
return arch___test_and_change_bit(nr, addr);
}
--
2.28.0.rc0.142.g3c755180ce-goog
next prev parent reply other threads:[~2020-07-24 7:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-24 7:00 [PATCH v2 0/8] kcsan: Compound read-write instrumentation Marco Elver
2020-07-24 7:00 ` [PATCH v2 1/8] kcsan: Support compounded " Marco Elver
2020-07-24 7:00 ` [PATCH v2 2/8] objtool, kcsan: Add __tsan_read_write to uaccess whitelist Marco Elver
2020-07-24 7:00 ` [PATCH v2 3/8] kcsan: Skew delay to be longer for certain access types Marco Elver
2020-07-24 7:00 ` [PATCH v2 4/8] kcsan: Add missing CONFIG_KCSAN_IGNORE_ATOMICS checks Marco Elver
2020-07-24 7:00 ` [PATCH v2 5/8] kcsan: Test support for compound instrumentation Marco Elver
2020-07-24 7:00 ` [PATCH v2 6/8] instrumented.h: Introduce read-write instrumentation hooks Marco Elver
2020-07-24 7:00 ` Marco Elver [this message]
2020-07-24 7:00 ` [PATCH v2 8/8] locking/atomics: Use read-write instrumentation for atomic RMWs Marco Elver
2020-07-24 8:39 ` [PATCH v2 0/8] kcsan: Compound read-write instrumentation Peter Zijlstra
2020-07-24 22:40 ` Paul E. McKenney
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