diff options
| author | Brendan Shanks <[email protected]> | 2019-09-05 16:22:21 -0700 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-09-10 08:36:16 +0200 |
| commit | e86c2c8b9380440bbe761b8e2f63ab6b04a45ac2 (patch) | |
| tree | f40188f713dd4f85bd0c5f2c1af74dbbe3afec41 /lib/test_overflow.c | |
| parent | 98ededb61fafd303f2337f68b0326a4b95e3cebe (diff) | |
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 <[email protected]>
Signed-off-by: Brendan Shanks <[email protected]>
Reviewed-by: Ricardo Neri <[email protected]>
Reviewed-by: H. Peter Anvin (Intel) <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
[ Minor edits: capitalization, added 'spoofing' wording. ]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions