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| author |   Brendan Shanks <bshanks@codeweavers.com> | 2019-09-05 16:22:21 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-09-10 08:36:16 +0200 |
| commit | e86c2c8b9380440bbe761b8e2f63ab6b04a45ac2 (patch) | |
| tree | f40188f713dd4f85bd0c5f2c1af74dbbe3afec41 /arch/x86/mm/ioremap.c | |
| parent | x86/asm: Make some functions local labels (diff) | |
| download | linux-dev-e86c2c8b9380440bbe761b8e2f63ab6b04a45ac2.tar.xz linux-dev-e86c2c8b9380440bbe761b8e2f63ab6b04a45ac2.zip | |
x86/umip: Add emulation (spoofing) for UMIP covered instructions in 64-bit processes as well
Add emulation (spoofing) of the SGDT, SIDT, and SMSW instructions for 64-bit
processes.
Wine users have encountered a number of 64-bit Windows games that use
these instructions (particularly SGDT), and were crashing when run on
UMIP-enabled systems.
Originally-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Signed-off-by: Brendan Shanks <bshanks@codeweavers.com>
Reviewed-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Reviewed-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190905232222.14900-1-bshanks@codeweavers.com
[ Minor edits: capitalization, added 'spoofing' wording. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/ioremap.c')
0 files changed, 0 insertions, 0 deletions