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x86/headers: Make sigcontext pointers bit independent

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Before we can eliminate the duplication between 'struct
sigcontext_32' and 'struct sigcontext_ia32', make the 'fpstate'
pointer field in 'struct sigcontext_32' bit independent.

Acked-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1441438363-9999-12-git-send-email-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2015-09-05 09:32:39 +02:00
parent f2c609bca0
commit 530e5c8271
2 changed files with 5 additions and 3 deletions
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4
arch/x86/include/uapi/asm/sigcontext.h
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@@ -218,7 +218,7 @@ struct sigcontext_32 {
* of extended memory layout. See comments at the definition of
* (struct _fpx_sw_bytes)
*/
void __user *fpstate; /* Zero when no FPU/extended context */
__u32 fpstate; /* Zero when no FPU/extended context */
__u32 oldmask;
__u32 cr2;
};
@@ -258,7 +258,7 @@ struct sigcontext_64 {
* of extended memory layout. See comments at the definition of
* (struct _fpx_sw_bytes)
*/
void __user *fpstate; /* Zero when no FPU/extended context */
__u64 fpstate; /* Zero when no FPU/extended context */
__u64 reserved1[8];
};