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authorIngo Molnar <mingo@kernel.org>2015-05-11 16:05:09 +0200
committerIngo Molnar <mingo@kernel.org>2015-05-11 16:05:09 +0200
commit191a66353b22fad8ac89404ab4c929cbe7b0afb2 (patch)
treebd7affc4bc640eb42e5ff3285922497285f8fdd7 /arch/cris/include/asm/bitops.h
parentf5d6a52f511157c7476590532a23b5664b1ed877 (diff)
parentf21262b8e092a770e39fbd405cc18a0247c3af68 (diff)
downloadblackbird-op-linux-191a66353b22fad8ac89404ab4c929cbe7b0afb2.tar.gz
blackbird-op-linux-191a66353b22fad8ac89404ab4c929cbe7b0afb2.zip
Merge branch 'x86/asm' into x86/apic, to resolve a conflict
Conflicts: arch/x86/kernel/apic/io_apic.c arch/x86/kernel/apic/vector.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/cris/include/asm/bitops.h')
-rw-r--r--arch/cris/include/asm/bitops.h111
1 files changed, 1 insertions, 110 deletions
diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h
index bd49a546f4f5..8062cb52d343 100644
--- a/arch/cris/include/asm/bitops.h
+++ b/arch/cris/include/asm/bitops.h
@@ -19,119 +19,10 @@
#endif
#include <arch/bitops.h>
-#include <linux/atomic.h>
#include <linux/compiler.h>
#include <asm/barrier.h>
-/*
- * set_bit - Atomically set a bit in memory
- * @nr: the bit to set
- * @addr: the address to start counting from
- *
- * This function is atomic and may not be reordered. See __set_bit()
- * if you do not require the atomic guarantees.
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-
-#define set_bit(nr, addr) (void)test_and_set_bit(nr, addr)
-
-/*
- * clear_bit - Clears a bit in memory
- * @nr: Bit to clear
- * @addr: Address to start counting from
- *
- * clear_bit() is atomic and may not be reordered. However, it does
- * not contain a memory barrier, so if it is used for locking purposes,
- * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
- * in order to ensure changes are visible on other processors.
- */
-
-#define clear_bit(nr, addr) (void)test_and_clear_bit(nr, addr)
-
-/*
- * change_bit - Toggle a bit in memory
- * @nr: Bit to change
- * @addr: Address to start counting from
- *
- * change_bit() is atomic and may not be reordered.
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-
-#define change_bit(nr, addr) (void)test_and_change_bit(nr, addr)
-
-/**
- * test_and_set_bit - Set a bit and return its old value
- * @nr: Bit to set
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
- */
-
-static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
-{
- unsigned int mask, retval;
- unsigned long flags;
- unsigned int *adr = (unsigned int *)addr;
-
- adr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- cris_atomic_save(addr, flags);
- retval = (mask & *adr) != 0;
- *adr |= mask;
- cris_atomic_restore(addr, flags);
- return retval;
-}
-
-/**
- * test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to clear
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
- */
-
-static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
- unsigned int mask, retval;
- unsigned long flags;
- unsigned int *adr = (unsigned int *)addr;
-
- adr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- cris_atomic_save(addr, flags);
- retval = (mask & *adr) != 0;
- *adr &= ~mask;
- cris_atomic_restore(addr, flags);
- return retval;
-}
-
-/**
- * test_and_change_bit - Change a bit and return its old value
- * @nr: Bit to change
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
- */
-
-static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
-{
- unsigned int mask, retval;
- unsigned long flags;
- unsigned int *adr = (unsigned int *)addr;
- adr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- cris_atomic_save(addr, flags);
- retval = (mask & *adr) != 0;
- *adr ^= mask;
- cris_atomic_restore(addr, flags);
- return retval;
-}
-
+#include <asm-generic/bitops/atomic.h>
#include <asm-generic/bitops/non-atomic.h>
/*
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