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KVM: PPC: elide struct thread_struct instances from stack

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Instead of instantiating a whole thread_struct on the stack use only the
required parts of it.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Tested-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Andreas Schwab
2010-05-31 21:59:13 +02:00
committed by Avi Kivity
parent 5120702e73
commit 49f6be8ea1
5 changed files with 97 additions and 95 deletions
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27
arch/powerpc/include/asm/kvm_fpu.h
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@@ -22,24 +22,24 @@
#include <linux/types.h>
extern void fps_fres(struct thread_struct *t, u32 *dst, u32 *src1);
extern void fps_frsqrte(struct thread_struct *t, u32 *dst, u32 *src1);
extern void fps_fsqrts(struct thread_struct *t, u32 *dst, u32 *src1);
extern void fps_fres(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_frsqrte(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_fsqrts(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_fadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fdivs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fmuls(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fdivs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fmuls(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fmadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
extern void fps_fmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fmsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
extern void fps_fmsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fnmadds(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
extern void fps_fnmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fnmsubs(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
extern void fps_fnmsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fsel(struct thread_struct *t, u32 *dst, u32 *src1, u32 *src2,
extern void fps_fsel(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
#define FPD_ONE_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
@@ -82,4 +82,7 @@ FPD_THREE_IN(fmadd)
FPD_THREE_IN(fnmsub)
FPD_THREE_IN(fnmadd)
extern void kvm_cvt_fd(u32 *from, u64 *to, u64 *fpscr);
extern void kvm_cvt_df(u64 *from, u32 *to, u64 *fpscr);
#endif