The patch titled
ps3fb: atomic fixes
has been added to the -mm tree. Its filename is
ps3fb-atomic-fixes.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ps3fb: atomic fixes
From: Geert Uytterhoeven <Geert.Uytterhoeven@xxxxxxxxxxx>
ps3fb: Use atomic_dec_if_positive() instead of bogus
atomic_read()/atomic_dec() combinations
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/ps3fb.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff -puN drivers/video/ps3fb.c~ps3fb-atomic-fixes drivers/video/ps3fb.c
--- a/drivers/video/ps3fb.c~ps3fb-atomic-fixes
+++ a/drivers/video/ps3fb.c
@@ -680,13 +680,10 @@ EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync);
void ps3fb_flip_ctl(int on)
{
- if (on) {
- if (atomic_read(&ps3fb.ext_flip) > 0) {
- atomic_dec(&ps3fb.ext_flip);
- }
- } else {
+ if (on)
+ atomic_dec_if_positive(&ps3fb.ext_flip);
+ else
atomic_inc(&ps3fb.ext_flip);
- }
}
EXPORT_SYMBOL_GPL(ps3fb_flip_ctl);
@@ -786,8 +783,7 @@ static int ps3fb_ioctl(struct fb_info *i
case PS3FB_IOCTL_OFF:
DPRINTK("PS3FB_IOCTL_OFF:\n");
- if (atomic_read(&ps3fb.ext_flip) > 0)
- atomic_dec(&ps3fb.ext_flip);
+ atomic_dec_if_positive(&ps3fb.ext_flip);
retval = 0;
break;
_
Patches currently in -mm which might be from Geert.Uytterhoeven@xxxxxxxxxxx are
origin.patch
ps3fb-thread-updates.patch
ps3fb-thread-updates-update.patch
ps3av-thread-updates.patch
ps3fb-kill-superfluous-zero-initializations.patch
ps3fb-atomic-fixes.patch
ps3av-misc-updates.patch
-
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