AuxXxilium/linux_dsm_epyc7002
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8c027ae2dc
linux_dsm_epyc7002/arch
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H. Peter Anvin 8c027ae2dc [x86 setup] Save/restore DS around invocations of INT 10h 
There exists at least one card, Trident TVGA8900CL (BIOS dated 1992/9/8)
which clobbers DS when "scrolling in an SVGA text mode of more than
800x600 pixels."  Although we are extremely unlikely to run into that
situation, it is cheap insurance to save and restore DS, and it only adds
a grand total of 50 bytes to the total output.

Pointed out by Etienne Lorrain.

Cc: Etienne Lorrain <etienne_lorrain@yahoo.fr>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2007-07-18 11:36:17 -07:00
..
alpha missing exports of csum_... 2007-07-17 11:01:07 -07:00
arm csb337 supports "new style" rtc-ds1307 2007-07-17 10:23:09 -07:00
arm26 PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
avr32 PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
blackfin Blackfin arch: add missing CONFIG_LARGE_ALLOCS when upstream merging 2007-07-12 14:55:05 +08:00
cris PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
frv serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
h8300 PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
i386 [x86 setup] Save/restore DS around invocations of INT 10h 2007-07-18 11:36:17 -07:00
ia64 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 2007-07-17 11:31:57 -07:00
m32r PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
m68k missing exports of csum_... 2007-07-17 11:01:07 -07:00
m68knommu PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
mips serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
parisc kallsyms: make KSYM_NAME_LEN include space for trailing '\0' 2007-07-17 10:23:03 -07:00
powerpc Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2007-07-18 10:32:00 -07:00
ppc serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
s390 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2007-07-17 15:29:33 -07:00
sh PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
sh64 missing exports of csum_... 2007-07-17 11:01:07 -07:00
sparc [SPARC]: Mark sparc and sparc64 as not having virt_to_bus 2007-07-18 01:20:22 -07:00
sparc64 [SPARC64]: Set vio->desc_buf to NULL after freeing. 2007-07-18 01:20:26 -07:00
um um_kmalloc() remnants 2007-07-17 11:01:07 -07:00
v850 PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
x86_64 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2007-07-18 10:32:00 -07:00
xtensa PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00