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authorPeter Zijlstra <peterz@infradead.org>2022-09-29 12:20:50 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-09-29 12:20:50 +0200
commita1ebcd59430236b336428bbf8e1da16fb87d56e4 (patch)
tree126b999f1eae9b7ecf1045eec425a6dbcdcb4351 /include/asm-generic/bitops/instrumented-non-atomic.h
parentcce6a2d7e0e494c453ad73e1e78bd50684f20cca (diff)
parentf76349cf41451c5c42a99f18a9163377e4b364ff (diff)
Merge branch 'v6.0-rc7'
Merge upstream to get RAPTORLAKE_S Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/asm-generic/bitops/instrumented-non-atomic.h')
-rw-r--r--include/asm-generic/bitops/instrumented-non-atomic.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-generic/bitops/instrumented-non-atomic.h b/include/asm-generic/bitops/instrumented-non-atomic.h
index 988a3bbfba34..2b238b161a62 100644
--- a/include/asm-generic/bitops/instrumented-non-atomic.h
+++ b/include/asm-generic/bitops/instrumented-non-atomic.h
@@ -142,4 +142,16 @@ _test_bit(unsigned long nr, const volatile unsigned long *addr)
return arch_test_bit(nr, addr);
}
+/**
+ * _test_bit_acquire - Determine, with acquire semantics, whether a bit is set
+ * @nr: bit number to test
+ * @addr: Address to start counting from
+ */
+static __always_inline bool
+_test_bit_acquire(unsigned long nr, const volatile unsigned long *addr)
+{
+ instrument_atomic_read(addr + BIT_WORD(nr), sizeof(long));
+ return arch_test_bit_acquire(nr, addr);
+}
+
#endif /* _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H */