+ asm-generic-atomich-add-atomic_set_mask-helper.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     asm-generic/atomic.h: add atomic_set_mask() helper
has been added to the -mm tree.  Its filename is
     asm-generic-atomich-add-atomic_set_mask-helper.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

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@xxxxxxxxxx>

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@xxxxxxxxxx>
Cc: Arun Sharma <asharma@xxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 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@xxxxxxxxxx are

mm-nommuc-fix-remap_pfn_range.patch
linux-next.patch
asm-generic-systemh-drop-useless-__kernel__.patch
ptrace-unify-show_regs-prototype.patch
ptrace-unify-show_regs-prototype-fix.patch
atomic-use-linux-atomich.patch
atomic-move-atomic_add_unless-to-generic-code.patch
atomic-cleanup-asm-generic-atomich-inclusion.patch
atomic-update-comments-in-atomich.patch
asm-generic-atomich-simplify-inc-dec-test-helpers.patch
asm-generic-atomich-fix-type-used-in-atomic_clear_mask.patch
asm-generic-atomich-add-atomic_set_mask-helper.patch
asm-generic-atomich-allow-smp-peeps-to-leverage-this.patch
blackfin-smp-punt-unused-atomic_test_mask-helper.patch
blackfin-smp-convert-to-common-asm-generic-atomich.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux