cr: renamed restore_fpu() to sigreturn_prep_fpu_frame() and vice versa

The names of these functions should be swapped to avoid confusion.
Signed-off-by: Alexander Kartashov <alekskartashov@parallels.com>
Acked-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

arch/arm/crtools.c

@@ -197,7 +197,7 @@ void arch_free_thread_info(CoreEntry *core)
 	}
 }
 
-int sigreturn_prep_fpu_frame(fpu_state_t *fpu_state, CoreEntry *core)
+int restore_fpu(fpu_state_t *fpu_state, CoreEntry *core)
 {
 	memcpy(fpu_state->ufp.fpregs, CORE_THREAD_ARCH_INFO(core)->fpstate->vfp_regs,
 		sizeof(fpu_state->ufp.fpregs));
@@ -253,7 +253,7 @@ int restore_gpregs(struct rt_sigframe *f, UserArmRegsEntry *r)
 	return 0;
 }
 
-int restore_fpu(struct rt_sigframe *sigframe, fpu_state_t *fpu_state)
+int sigreturn_prep_fpu_frame(struct rt_sigframe *sigframe, fpu_state_t *fpu_state)
 {
 	struct aux_sigframe *aux = (struct aux_sigframe *)&sigframe->sig.uc.uc_regspace;
 

arch/arm/include/asm/restore.h

@@ -20,6 +20,6 @@ static inline void core_get_tls(CoreEntry *pcore, u32 *ptls)
 }
 
 
-int sigreturn_prep_fpu_frame(fpu_state_t *fpu_state, CoreEntry *core);
+int restore_fpu(fpu_state_t *fpu_state, CoreEntry *core);
 
 #endif

arch/arm/include/asm/restorer.h

@@ -132,7 +132,7 @@ struct rt_sigframe {
 int restore_gpregs(struct rt_sigframe *f, UserArmRegsEntry *r);
 int restore_nonsigframe_gpregs(UserArmRegsEntry *r);
 
-int restore_fpu(struct rt_sigframe *sigframe, fpu_state_t *fpu_state);
+int sigreturn_prep_fpu_frame(struct rt_sigframe *sigframe, fpu_state_t *fpu_state);
 
 static inline void restore_tls(u32 tls) {
 	asm (

arch/x86/crtools.c

@@ -373,7 +373,7 @@ static void show_rt_xsave_frame(struct xsave_struct *x)
 	pr_debug("-----------------------\n");
 }
 
-int sigreturn_prep_fpu_frame(fpu_state_t *fpu_state, CoreEntry *core)
+int restore_fpu(fpu_state_t *fpu_state, CoreEntry *core)
 {
 	struct xsave_struct *x = &fpu_state->xsave;
 
@@ -479,7 +479,7 @@ int restore_gpregs(struct rt_sigframe *f, UserX86RegsEntry *r)
 	return 0;
 }
 
-int restore_fpu(struct rt_sigframe *sigframe, fpu_state_t *fpu_state)
+int sigreturn_prep_fpu_frame(struct rt_sigframe *sigframe, fpu_state_t *fpu_state)
 {
 	unsigned long addr = (unsigned long)(void *)&fpu_state->xsave;
 

arch/x86/include/asm/restore.h

@@ -18,6 +18,6 @@
 #define core_get_tls(pcore, ptls)
 
 
-int sigreturn_prep_fpu_frame(fpu_state_t *fpu_state, CoreEntry *core);
+int restore_fpu(fpu_state_t *fpu_state, CoreEntry *core);
 
 #endif

arch/x86/include/asm/restorer.h

@@ -139,7 +139,7 @@ struct rt_sigframe {
 int restore_gpregs(struct rt_sigframe *f, UserX86RegsEntry *r);
 int restore_nonsigframe_gpregs(UserX86RegsEntry *r);
 
-int restore_fpu(struct rt_sigframe *sigframe, fpu_state_t *fpu_state);
+int sigreturn_prep_fpu_frame(struct rt_sigframe *sigframe, fpu_state_t *fpu_state);
 
 static inline void restore_tls(u32 tls) { }
 

sigframe.c

@@ -21,11 +21,11 @@ int construct_sigframe(struct rt_sigframe *sigframe,
 		memset(blk_sigset, 0, sizeof(k_rtsigset_t));
 
 	sigframe->fpu_state.has_fpu = true;
-	if (sigreturn_prep_fpu_frame(&sigframe->fpu_state, core))
+	if (restore_fpu(&sigframe->fpu_state, core))
 		return -1;
 
 	if (sigframe->fpu_state.has_fpu)
-		if (restore_fpu(sigframe, &rsigframe->fpu_state))
+		if (sigreturn_prep_fpu_frame(sigframe, &rsigframe->fpu_state))
 			return -1;
 
 	if (restore_gpregs(sigframe, CORE_THREAD_ARCH_INFO(core)->gpregs))