diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 11:58:16 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 11:58:16 -0400 |
commit | 41d59102e146a4423a490b8eca68a5860af4fe1c (patch) | |
tree | 739ed4113ccdaeb33d1723a6beab09c1e18d7048 /arch/x86/kernel/xsave.c | |
parent | 3e1dd193edefd2a806a0ba6cf0879cf1a95217da (diff) | |
parent | c9775b4cc522e5f1b40b1366a993f0f05f600f39 (diff) |
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, fpu: Use static_cpu_has() to implement use_xsave()
x86: Add new static_cpu_has() function using alternatives
x86, fpu: Use the proper asm constraint in use_xsave()
x86, fpu: Unbreak FPU emulation
x86: Introduce 'struct fpu' and related API
x86: Eliminate TS_XSAVE
x86-32: Don't set ignore_fpu_irq in simd exception
x86: Merge kernel_math_error() into math_error()
x86: Merge simd_math_error() into math_error()
x86-32: Rework cache flush denied handler
Fix trivial conflict in arch/x86/kernel/process.c
Diffstat (limited to 'arch/x86/kernel/xsave.c')
-rw-r--r-- | arch/x86/kernel/xsave.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 782c3a362ec6..37e68fc5e24a 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c | |||
@@ -99,7 +99,7 @@ int save_i387_xstate(void __user *buf) | |||
99 | if (err) | 99 | if (err) |
100 | return err; | 100 | return err; |
101 | 101 | ||
102 | if (task_thread_info(tsk)->status & TS_XSAVE) | 102 | if (use_xsave()) |
103 | err = xsave_user(buf); | 103 | err = xsave_user(buf); |
104 | else | 104 | else |
105 | err = fxsave_user(buf); | 105 | err = fxsave_user(buf); |
@@ -109,14 +109,14 @@ int save_i387_xstate(void __user *buf) | |||
109 | task_thread_info(tsk)->status &= ~TS_USEDFPU; | 109 | task_thread_info(tsk)->status &= ~TS_USEDFPU; |
110 | stts(); | 110 | stts(); |
111 | } else { | 111 | } else { |
112 | if (__copy_to_user(buf, &tsk->thread.xstate->fxsave, | 112 | if (__copy_to_user(buf, &tsk->thread.fpu.state->fxsave, |
113 | xstate_size)) | 113 | xstate_size)) |
114 | return -1; | 114 | return -1; |
115 | } | 115 | } |
116 | 116 | ||
117 | clear_used_math(); /* trigger finit */ | 117 | clear_used_math(); /* trigger finit */ |
118 | 118 | ||
119 | if (task_thread_info(tsk)->status & TS_XSAVE) { | 119 | if (use_xsave()) { |
120 | struct _fpstate __user *fx = buf; | 120 | struct _fpstate __user *fx = buf; |
121 | struct _xstate __user *x = buf; | 121 | struct _xstate __user *x = buf; |
122 | u64 xstate_bv; | 122 | u64 xstate_bv; |
@@ -225,7 +225,7 @@ int restore_i387_xstate(void __user *buf) | |||
225 | clts(); | 225 | clts(); |
226 | task_thread_info(current)->status |= TS_USEDFPU; | 226 | task_thread_info(current)->status |= TS_USEDFPU; |
227 | } | 227 | } |
228 | if (task_thread_info(tsk)->status & TS_XSAVE) | 228 | if (use_xsave()) |
229 | err = restore_user_xstate(buf); | 229 | err = restore_user_xstate(buf); |
230 | else | 230 | else |
231 | err = fxrstor_checking((__force struct i387_fxsave_struct *) | 231 | err = fxrstor_checking((__force struct i387_fxsave_struct *) |