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x86/fpu: Flip the parameter order in copy_*_to_xstate()

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Make it more consistent with regular memcpy() semantics, where the destination
argument comes first.

No change in functionality.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/20170923130016.21448-15-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2017-09-23 14:59:57 +02:00
parent 7b9094c688
commit 6d7f7da553
4 changed files with 7 additions and 7 deletions
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4
arch/x86/kernel/fpu/xstate.c
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@@ -1089,7 +1089,7 @@ int copy_xstate_to_user(void __user *ubuf, struct xregs_state *xsave, unsigned i
* there we check the CPU has XSAVES and a whole standard-sized buffer
* exists.
*/
int copy_kernel_to_xstate(const void *kbuf, struct xregs_state *xsave)
int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf)
{
unsigned int offset, size;
int i;
@@ -1142,7 +1142,7 @@ int copy_kernel_to_xstate(const void *kbuf, struct xregs_state *xsave)
* there we check the CPU has XSAVES and a whole standard-sized buffer
* exists.
*/
int copy_user_to_xstate(const void __user *ubuf, struct xregs_state *xsave)
int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf)
{
unsigned int offset, size;
int i;