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linux-2.6
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linux-2.6/drivers/video/console
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Andrea Righi 66c1ca0190 fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency 
Fix a circular locking dependency in the frame buffer console driver
pushing down the mutex fb_info->lock.

Circular locking dependecies occur calling the blocking
fb_notifier_call_chain() with fb_info->lock held.  Notifier callbacks can
try to acquire mm->mmap_sem, while fb_mmap() acquires the locks in the
reverse order mm->mmap_sem => fb_info->lock.

Tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2009-04-01 08:59:29 -07:00
..
.gitignore sparc: Ignore drivers/video/console/promcon_tbl.c conmakehash generated file 2008-07-30 16:49:52 -07:00
Kconfig x86 setup: remove remnants of CONFIG_VIDEO_SELECT (read: vga=) 2008-09-03 14:12:39 -07:00
Makefile [VIDEO]: Fix section mismatch warning in promcon. 2007-06-04 23:52:45 -07:00
bitblit.c fbcon: fix color generation for monochrome framebuffer 2008-02-06 10:41:18 -08:00
dummycon.c Remove magic macros for screen_info structure members 2007-10-16 22:57:17 -07:00
fbcon.c fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency 2009-04-01 08:59:29 -07:00
fbcon.h fbcon: fix monochrome color value calculation 2008-10-02 15:53:13 -07:00
fbcon_ccw.c fbcon: fix color generation for monochrome framebuffer 2008-02-06 10:41:18 -08:00
fbcon_cw.c fbcon: fix color generation for monochrome framebuffer 2008-02-06 10:41:18 -08:00
fbcon_rotate.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
fbcon_rotate.h
…
fbcon_ud.c fbcon: fix color generation for monochrome framebuffer 2008-02-06 10:41:18 -08:00
font_6x11.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_7x14.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_8x8.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_8x16.c export font_vga_8x16 2007-10-16 09:43:19 -07:00
font_10x18.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_acorn_8x8.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_mini_4x6.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_pearl_8x8.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_sun8x16.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
font_sun12x22.c fbcon: Convert struct font_desc to use ISO C initializers 2007-10-16 09:43:17 -07:00
fonts.c cleanup after APUS removal 2008-02-06 10:41:01 -08:00
mdacon.c Revert "vt: fix background color on line feed" 2008-10-14 12:12:02 -07:00
newport_con.c netport_con.c: fix build errors and warnings 2007-10-18 14:37:17 -07:00
prom.uni
…
promcon.c vt: add color support to the "underline" and "italic" attributes 2007-05-08 11:15:27 -07:00
softcursor.c fbdev: change asm/uaccess.h to linux/uaccess.h 2007-10-16 09:43:17 -07:00
sticon.c Revert "vt: fix background color on line feed" 2008-10-14 12:12:02 -07:00
sticore.c sticore: don't activate unsupported GSC STI cards on HPPA 2008-07-30 09:41:43 -07:00
tileblit.c fbcon: fix color generation for monochrome framebuffer 2008-02-06 10:41:18 -08:00
vgacon.c trivial: fix then -> than typos in comments and documentation 2009-01-06 11:28:06 +01:00