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authorMarco Elver <elver@google.com>2020-01-21 17:05:10 +0100
committerIngo Molnar <mingo@kernel.org>2020-03-21 09:41:46 +0100
commit27f937cc810aef63b0752f5bfbf383390dd076a1 (patch)
tree5d8686aa43878c24c6bed6557631943f45c3a718 /include/asm-generic/bitops
parented8af2e4d2a71bd58f5776b7e5a477d136e32be4 (diff)
asm-generic, kcsan: Add KCSAN instrumentation for bitops
Add explicit KCSAN checks for bitops. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic/bitops')
-rw-r--r--include/asm-generic/bitops/instrumented-atomic.h14
-rw-r--r--include/asm-generic/bitops/instrumented-lock.h10
-rw-r--r--include/asm-generic/bitops/instrumented-non-atomic.h16
3 files changed, 20 insertions, 20 deletions
diff --git a/include/asm-generic/bitops/instrumented-atomic.h b/include/asm-generic/bitops/instrumented-atomic.h
index 18ce3c9e8eec..fb2cb33a4013 100644
--- a/include/asm-generic/bitops/instrumented-atomic.h
+++ b/include/asm-generic/bitops/instrumented-atomic.h
@@ -11,7 +11,7 @@
#ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H
#define _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H
-#include <linux/kasan-checks.h>
+#include <linux/instrumented.h>
/**
* set_bit - Atomically set a bit in memory
@@ -25,7 +25,7 @@
*/
static inline void set_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
arch_set_bit(nr, addr);
}
@@ -38,7 +38,7 @@ static inline void set_bit(long nr, volatile unsigned long *addr)
*/
static inline void clear_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
arch_clear_bit(nr, addr);
}
@@ -54,7 +54,7 @@ static inline void clear_bit(long nr, volatile unsigned long *addr)
*/
static inline void change_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
arch_change_bit(nr, addr);
}
@@ -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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_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 ec53fdeea9ec..b9bec468ae03 100644
--- a/include/asm-generic/bitops/instrumented-lock.h
+++ b/include/asm-generic/bitops/instrumented-lock.h
@@ -11,7 +11,7 @@
#ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_LOCK_H
#define _ASM_GENERIC_BITOPS_INSTRUMENTED_LOCK_H
-#include <linux/kasan-checks.h>
+#include <linux/instrumented.h>
/**
* clear_bit_unlock - Clear a bit in memory, for unlock
@@ -22,7 +22,7 @@
*/
static inline void clear_bit_unlock(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
arch_clear_bit_unlock(nr, addr);
}
@@ -37,7 +37,7 @@ static inline void clear_bit_unlock(long nr, volatile unsigned long *addr)
*/
static inline void __clear_bit_unlock(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_write(addr + BIT_WORD(nr), sizeof(long));
arch___clear_bit_unlock(nr, addr);
}
@@ -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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
return arch_test_and_set_bit_lock(nr, addr);
}
@@ -71,7 +71,7 @@ static inline bool test_and_set_bit_lock(long nr, volatile unsigned long *addr)
static inline bool
clear_bit_unlock_is_negative_byte(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long));
return arch_clear_bit_unlock_is_negative_byte(nr, addr);
}
/* Let everybody know we have it. */
diff --git a/include/asm-generic/bitops/instrumented-non-atomic.h b/include/asm-generic/bitops/instrumented-non-atomic.h
index 95ff28d128a1..20f788a25ef9 100644
--- a/include/asm-generic/bitops/instrumented-non-atomic.h
+++ b/include/asm-generic/bitops/instrumented-non-atomic.h
@@ -11,7 +11,7 @@
#ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H
#define _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H
-#include <linux/kasan-checks.h>
+#include <linux/instrumented.h>
/**
* __set_bit - Set a bit in memory
@@ -24,7 +24,7 @@
*/
static inline void __set_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_write(addr + BIT_WORD(nr), sizeof(long));
arch___set_bit(nr, addr);
}
@@ -39,7 +39,7 @@ static inline void __set_bit(long nr, volatile unsigned long *addr)
*/
static inline void __clear_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_write(addr + BIT_WORD(nr), sizeof(long));
arch___clear_bit(nr, addr);
}
@@ -54,7 +54,7 @@ static inline void __clear_bit(long nr, volatile unsigned long *addr)
*/
static inline void __change_bit(long nr, volatile unsigned long *addr)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_write(addr + BIT_WORD(nr), sizeof(long));
arch___change_bit(nr, addr);
}
@@ -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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_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)
{
- kasan_check_write(addr + BIT_WORD(nr), sizeof(long));
+ instrument_write(addr + BIT_WORD(nr), sizeof(long));
return arch___test_and_change_bit(nr, addr);
}
@@ -107,7 +107,7 @@ static inline bool __test_and_change_bit(long nr, volatile unsigned long *addr)
*/
static inline bool test_bit(long nr, const volatile unsigned long *addr)
{
- kasan_check_read(addr + BIT_WORD(nr), sizeof(long));
+ instrument_atomic_read(addr + BIT_WORD(nr), sizeof(long));
return arch_test_bit(nr, addr);
}