diff options
author | Ingo Molnar <mingo@kernel.org> | 2015-04-30 17:15:32 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:48:09 +0200 |
commit | c47ada305de3803517ae64aa50686f644c5456fa (patch) | |
tree | a1cbdef798651ea1804c43bb2b99d66639ff662e /arch/x86/kernel/fpu/signal.c | |
parent | 0c306bcfba288296dc34d00d514546915234bc90 (diff) |
x86/fpu: Harmonize FPU register state types
Use these consistent names:
struct fregs_state # was: i387_fsave_struct
struct fxregs_state # was: i387_fxsave_struct
struct swregs_state # was: i387_soft_struct
struct xregs_state # was: xsave_struct
union fpregs_state # was: thread_xstate
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/fpu/signal.c')
-rw-r--r-- | arch/x86/kernel/fpu/signal.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index 8d0c26ab5123..99f73093333d 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -17,11 +17,11 @@ static struct _fpx_sw_bytes fx_sw_reserved, fx_sw_reserved_ia32; * Check for the presence of extended state information in the * user fpstate pointer in the sigcontext. */ -static inline int check_for_xstate(struct i387_fxsave_struct __user *buf, +static inline int check_for_xstate(struct fxregs_state __user *buf, void __user *fpstate, struct _fpx_sw_bytes *fx_sw) { - int min_xstate_size = sizeof(struct i387_fxsave_struct) + + int min_xstate_size = sizeof(struct fxregs_state) + sizeof(struct xstate_header); unsigned int magic2; @@ -54,7 +54,7 @@ static inline int check_for_xstate(struct i387_fxsave_struct __user *buf, static inline int save_fsave_header(struct task_struct *tsk, void __user *buf) { if (use_fxsr()) { - struct xsave_struct *xsave = &tsk->thread.fpu.state.xsave; + struct xregs_state *xsave = &tsk->thread.fpu.state.xsave; struct user_i387_ia32_struct env; struct _fpstate_ia32 __user *fp = buf; @@ -65,7 +65,7 @@ static inline int save_fsave_header(struct task_struct *tsk, void __user *buf) __put_user(X86_FXSR_MAGIC, &fp->magic)) return -1; } else { - struct i387_fsave_struct __user *fp = buf; + struct fregs_state __user *fp = buf; u32 swd; if (__get_user(swd, &fp->swd) || __put_user(swd, &fp->status)) return -1; @@ -76,7 +76,7 @@ static inline int save_fsave_header(struct task_struct *tsk, void __user *buf) static inline int save_xstate_epilog(void __user *buf, int ia32_frame) { - struct xsave_struct __user *x = buf; + struct xregs_state __user *x = buf; struct _fpx_sw_bytes *sw_bytes; u32 xfeatures; int err; @@ -114,16 +114,16 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) return err; } -static inline int copy_fpregs_to_sigframe(struct xsave_struct __user *buf) +static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf) { int err; if (use_xsave()) err = copy_xregs_to_user(buf); else if (use_fxsr()) - err = copy_fxregs_to_user((struct i387_fxsave_struct __user *) buf); + err = copy_fxregs_to_user((struct fxregs_state __user *) buf); else - err = copy_fregs_to_user((struct i387_fsave_struct __user *) buf); + err = copy_fregs_to_user((struct fregs_state __user *) buf); if (unlikely(err) && __clear_user(buf, xstate_size)) err = -EFAULT; @@ -152,7 +152,7 @@ static inline int copy_fpregs_to_sigframe(struct xsave_struct __user *buf) */ int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size) { - struct xsave_struct *xsave = ¤t->thread.fpu.state.xsave; + struct xregs_state *xsave = ¤t->thread.fpu.state.xsave; struct task_struct *tsk = current; int ia32_fxstate = (buf != buf_fx); @@ -195,7 +195,7 @@ sanitize_restored_xstate(struct task_struct *tsk, struct user_i387_ia32_struct *ia32_env, u64 xfeatures, int fx_only) { - struct xsave_struct *xsave = &tsk->thread.fpu.state.xsave; + struct xregs_state *xsave = &tsk->thread.fpu.state.xsave; struct xstate_header *header = &xsave->header; if (use_xsave()) { @@ -280,7 +280,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) * memory layout. Restore just the FP/SSE and init all * the other extended state. */ - state_size = sizeof(struct i387_fxsave_struct); + state_size = sizeof(struct fxregs_state); fx_only = 1; } else { state_size = fx_sw_user.xstate_size; @@ -353,8 +353,8 @@ int fpu__restore_sig(void __user *buf, int ia32_frame) int size = xstate_sigframe_size(); if (ia32_frame && use_fxsr()) { - buf_fx = buf + sizeof(struct i387_fsave_struct); - size += sizeof(struct i387_fsave_struct); + buf_fx = buf + sizeof(struct fregs_state); + size += sizeof(struct fregs_state); } return __fpu__restore_sig(buf, buf_fx, size); @@ -368,8 +368,8 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame, *buf_fx = sp = round_down(sp - frame_size, 64); if (ia32_frame && use_fxsr()) { - frame_size += sizeof(struct i387_fsave_struct); - sp -= sizeof(struct i387_fsave_struct); + frame_size += sizeof(struct fregs_state); + sp -= sizeof(struct fregs_state); } *size = frame_size; @@ -385,7 +385,7 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame, */ void fpu__init_prepare_fx_sw_frame(void) { - int fsave_header_size = sizeof(struct i387_fsave_struct); + int fsave_header_size = sizeof(struct fregs_state); int size = xstate_size + FP_XSTATE_MAGIC2_SIZE; if (config_enabled(CONFIG_X86_32)) |