Jaya Kumar f31ad92f34 fbdev: bugfix for multiprocess defio ... This patch is a bugfix for how defio handles multiple processes manipulating the same framebuffer. Thanks to Bernard Blackham for identifying this bug. It occurs when two applications mmap the same framebuffer and concurrently write to the same page. Normally, this doesn't occur since only a single process mmaps the framebuffer. The symptom of the bug is that the mapping applications will hang. The cause is that defio incorrectly tries to add the same page twice to the pagelist. The solution I have is to walk the pagelist and check for a duplicate before adding. Since I needed to walk the pagelist, I now also keep the pagelist in sorted order. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Cc: Bernard Blackham <bernard@largestprime.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2008-07-12 14:33:41 -07:00
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aty	fbdev: fix integer as NULL pointer warning	2008-05-23 08:11:07 -07:00
backlight
console	fbcon: fix wrong vmode bits copied on console switch	2008-06-06 11:29:11 -07:00
display	fbdev: fix race in device_create	2008-05-20 13:31:53 -07:00
geode	fix "lxfb: extend PLL table to support dotclocks below 25 MHz"	2008-05-14 19:11:13 -07:00
i810
intelfb
kyro
logo	video/logo: add support for Blackfin/Linux logo for framebuffer console	2008-05-14 19:11:14 -07:00
matrox	fbdev: fix integer as NULL pointer warning	2008-05-23 08:11:07 -07:00
mbx
nvidia
omap
pnx4008	drivers/video/pnx4008: eliminate double free	2008-05-13 08:02:24 -07:00
riva
savage
sis	fbdev: fix integer as NULL pointer warning	2008-05-23 08:11:07 -07:00
vermilion
68328fb.c
acornfb.c
acornfb.h
am200epd.c
amba-clcd.c
amifb.c	m68k: Return -ENODEV if no device is found	2008-05-18 13:28:50 -07:00
arcfb.c
arkfb.c
asiliantfb.c
atafb.c
atafb.h
atafb_iplan2p2.c
atafb_iplan2p4.c
atafb_iplan2p8.c
atafb_mfb.c
atafb_utils.h
atmel_lcdfb.c	atmel_lcdfb: fix pixclock divider calculation	2008-05-13 08:02:25 -07:00
au1100fb.c
au1100fb.h
au1200fb.c
au1200fb.h
bf54x-lq043fb.c
bfin-t350mcqb-fb.c
bt431.h
bt455.h
bw2.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
c2p.c
c2p.h
cfbcopyarea.c
cfbfillrect.c
cfbimgblt.c
cg3.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
cg6.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
cg14.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
chipsfb.c
cirrusfb.c	drivers/video/cirrusfb: fix RAM address printk	2008-06-12 18:05:41 -07:00
clps711xfb.c
controlfb.c
controlfb.h
cyber2000fb.c
cyber2000fb.h
cyblafb.c
dnfb.c	m68k: dnfb doesnt check for Apollo	2008-05-18 13:28:49 -07:00
edid.h
efifb.c
epson1355fb.c
fb_ddc.c
fb_defio.c	fbdev: bugfix for multiprocess defio	2008-07-12 14:33:41 -07:00
fb_draw.h
fb_notify.c
fb_sys_fops.c
fbcmap.c
fbcvt.c
fbmem.c
fbmon.c
fbsysfs.c
ffb.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
fm2fb.c
fsl-diu-fb.c	Fix broken fix for fsl-diu-db	2008-07-08 12:51:08 -07:00
fsl-diu-fb.h
g364fb.c
gbefb.c
gxt4500.c
hecubafb.c
hgafb.c	hgafb: resource management fix	2008-06-12 18:05:40 -07:00
hitfb.c
hpfb.c	m68k: Return -ENODEV if no device is found	2008-05-18 13:28:50 -07:00
igafb.c
imacfb.c
imsttfb.c
imxfb.c
imxfb.h
Kconfig	w100fb: do not depend on SHARPSL	2008-07-04 10:40:08 -07:00
leo.c	sparc: get leo framebuffer working	2008-06-10 14:13:09 -07:00
macfb.c
macmodes.c
macmodes.h
Makefile
maxinefb.c
metronomefb.c
modedb.c	fbdev: export symbol fb_mode_option	2008-06-06 11:29:12 -07:00
n411.c
neofb.c
offb.c
output.c
p9100.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
platinumfb.c
platinumfb.h
pm2fb.c
pm3fb.c
pmag-aa-fb.c
pmag-ba-fb.c
pmagb-b-fb.c
ps3fb.c
pvr2fb.c
pxafb.c	[ARM] 5117/1: pxafb: fix __devinit/exit annotations	2008-06-25 18:50:14 +01:00
pxafb.h	pxafb: preliminary smart panel interface support	2008-04-30 08:29:32 -07:00
q40fb.c
s1d13xxxfb.c
s3c2410fb.c	S3C2410: fix driver MODULE_ALIAS()	2008-05-24 09:56:13 -07:00
s3c2410fb.h	S3C2410: clean out changelog header and tidy	2008-05-24 09:56:13 -07:00
s3fb.c
sa1100fb.c
sa1100fb.h
sbuslib.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
sbuslib.h	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
sgivwfb.c
skeletonfb.c
sm501fb.c	SM501: reverse FPEN/VBIASEN flags behaviour	2008-05-24 09:56:12 -07:00
sstfb.c
sticore.h
stifb.c
sunxvr500.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
sunxvr2500.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
svgalib.c
syscopyarea.c
sysfillrect.c
sysimgblt.c
tcx.c	sparc video: remove open boot prom code	2008-05-08 21:37:30 -07:00
tdfxfb.c
tgafb.c
tridentfb.c	tridentfb: improve clock setting accuracy	2008-05-13 08:02:24 -07:00
uvesafb.c
valkyriefb.c
valkyriefb.h
vesafb.c
vfb.c
vga16fb.c
vgastate.c
vt8623fb.c
w100fb.c	w100fb: add 80 MHz modeline	2008-07-04 10:40:08 -07:00
w100fb.h
xen-fbfront.c
xilinxfb.c