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| author | Yu-cheng Yu <yu-cheng.yu@intel.com> | 2016-07-11 18:18:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-11 16:44:01 +0200 |
| commit | b8be15d588060a03569ac85dc4a0247460988f5b (patch) | |
| tree | 1865d79291d95d28703879e73e963b764b46571b /drivers/nfc | |
| parent | x86/fpu/xstate: Fix fpstate_init() for XRSTORS (diff) | |
| download | linux-b8be15d588060a03569ac85dc4a0247460988f5b.tar.xz linux-b8be15d588060a03569ac85dc4a0247460988f5b.zip | |
x86/fpu/xstate: Re-enable XSAVES
We did not handle XSAVES instructions correctly. There were issues in
converting between standard and compacted format when interfacing with
user-space. These issues have been corrected.
Add a WARN_ONCE() to make it clear that XSAVES supervisor states are not
yet implemented.
Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
Cc: H. Peter Anvin <h.peter.anvin@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi V Shankar <ravi.v.shankar@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1468253937-40008-5-git-send-email-fenghua.yu@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/nfc')
0 files changed, 0 insertions, 0 deletions