* [merged] asm-generic-atomich-add-atomic_set_mask-helper.patch removed from -mm tree
@ 2011-07-27 19:30 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2011-07-27 19:30 UTC (permalink / raw)
To: vapier, arnd, asharma, mm-commits
The patch titled
asm-generic/atomic.h: add atomic_set_mask() helper
has been removed from the -mm tree. Its filename was
asm-generic-atomich-add-atomic_set_mask-helper.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: asm-generic/atomic.h: add atomic_set_mask() helper
From: Mike Frysinger <vapier@gentoo.org>
Since arches are expected to implement this guy, add a common version for
people the same way as atomic_clear_mask is handled.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/asm-generic/atomic.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff -puN include/asm-generic/atomic.h~asm-generic-atomich-add-atomic_set_mask-helper include/asm-generic/atomic.h
--- a/include/asm-generic/atomic.h~asm-generic-atomich-add-atomic_set_mask-helper
+++ a/include/asm-generic/atomic.h
@@ -157,6 +157,22 @@ static inline void atomic_clear_mask(uns
raw_local_irq_restore(flags);
}
+/**
+ * atomic_set_mask - Atomically set bits in atomic variable
+ * @mask: Mask of the bits to be set
+ * @v: pointer of type atomic_t
+ *
+ * Atomically sets the bits set in @mask in @v
+ */
+static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
+{
+ unsigned long flags;
+
+ raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */
+ v->counter |= mask;
+ raw_local_irq_restore(flags);
+}
+
/* Assume that atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
_
Patches currently in -mm which might be from vapier@gentoo.org are
origin.patch
linux-next.patch
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2011-07-27 19:30 [merged] asm-generic-atomich-add-atomic_set_mask-helper.patch removed from -mm tree akpm
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