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author	Suresh Siddha <suresh.b.siddha@intel.com>
	Tue, 29 Jul 2008 17:29:22 +0000 (10:29 -0700)
committer	Ingo Molnar <mingo@elte.hu>
	Wed, 30 Jul 2008 17:49:26 +0000 (19:49 +0200)
commit	ab5137015fed9b948fe835a2d99a4cfbd50a0c40
tree	229771c4f5606d56945941c8ada9ae6cf08d1c80	tree \| snapshot
parent	3c1c7f101426cb2ecc79d817a8a65928965fc860	commit \| diff

x86, xsave: reorganization of signal save/restore fpstate code layout

move 64bit routines that saves/restores fpstate in/from user stack from
signal_64.c to xsave.c

restore_i387_xstate() now handles the condition when user passes
NULL fpstate.

Other misc changes for prepartion of xsave/xrstor sigcontext support.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

John Crispins staging tree

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arch/x86/ia32/ia32_signal.c		diff \| blob \| history
arch/x86/kernel/i387.c		diff \| blob \| history
arch/x86/kernel/signal_32.c		diff \| blob \| history
arch/x86/kernel/signal_64.c		diff \| blob \| history
arch/x86/kernel/xsave.c		diff \| blob \| history
include/asm-x86/i387.h		diff \| blob \| history