linux_dsm_epyc7002/arch/x86/kernel/fpu
Dave Hansen c8df400984 x86/fpu, x86/mm/pkeys: Add PKRU xsave fields and data structures
The protection keys register (PKRU) is saved and restored using
xsave.  Define the data structure that we will use to access it
inside the xsave buffer.

Note that we also have to widen the printk of the xsave feature
masks since this is feature 0x200 and we only did two characters
before.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave@sr71.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20160212210204.56DF8F7B@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-02-16 10:11:14 +01:00
..
bugs.c x86/fpu/init: Propagate __init annotations 2015-05-19 15:48:11 +02:00
core.c x86/fpu: Fold fpu_copy() into fpu__copy() 2016-02-09 15:42:55 +01:00
init.c x86/fpu: Default eagerfpu=on on all CPUs 2016-02-09 15:42:56 +01:00
Makefile x86/fpu: Factor out the FPU regset code into fpu/regset.c 2015-05-19 15:48:09 +02:00
regset.c x86/fpu: Rename XSAVE macros 2015-09-14 12:21:46 +02:00
signal.c x86/fpu: Fix 32-bit signal frame handling 2015-11-12 09:23:45 +01:00
xstate.c x86/fpu, x86/mm/pkeys: Add PKRU xsave fields and data structures 2016-02-16 10:11:14 +01:00