[PATCH] Remove ELF_CORE_SYNC

ELF_CORE_SYNC and dump_smp_unlazy_fpu seem to have been introduced
by Ingo around 2.5.43, but as far as I can tell, never used.

arch/i386/kernel/i387.c

@@ -549,13 +549,3 @@ int dump_task_extended_fpu(struct task_struct *tsk, struct user_fxsr_struct *fpu
 	}
 	return fpvalid;
 }
-
-
-#ifdef CONFIG_SMP
-void dump_smp_unlazy_fpu(void)
-{
-	unlazy_fpu(current);
-	return;
-}
-#endif
-

arch/ppc64/kernel/process.c

@@ -70,23 +70,6 @@ enable_kernel_fp(void)
 #endif /* CONFIG_SMP */
 }
 
-#ifdef CONFIG_SMP
-static void smp_unlazy_onefpu(void *arg)
-{
-	struct pt_regs *regs = current->thread.regs;
-
-	if (!regs)
-		return;
-	if (regs->msr & MSR_FP)
-		giveup_fpu(current);
-}
-
-void dump_smp_unlazy_fpu(void)
-{
-	smp_call_function(smp_unlazy_onefpu, NULL, 1, 1);
-}
-#endif
-
 int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
 {
 	struct pt_regs *regs = tsk->thread.regs;

arch/x86_64/kernel/i387.c

@@ -138,12 +138,3 @@ int dump_task_fpu(struct task_struct *tsk, struct user_i387_struct *fpu)
 }
 	return fpvalid;
 }
-
-#ifdef CONFIG_SMP
-void dump_smp_unlazy_fpu(void)
-{
-	unlazy_fpu(current);
-	return;
-}
-#endif
-

include/asm-i386/elf.h

@@ -127,11 +127,6 @@ extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 #define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs)
 
-#ifdef CONFIG_SMP
-extern void dump_smp_unlazy_fpu(void);
-#define ELF_CORE_SYNC dump_smp_unlazy_fpu
-#endif
-
 #define VSYSCALL_BASE	(__fix_to_virt(FIX_VSYSCALL))
 #define VSYSCALL_EHDR	((const struct elfhdr *) VSYSCALL_BASE)
 #define VSYSCALL_ENTRY	((unsigned long) &__kernel_vsyscall)

include/asm-ppc64/elf.h

@@ -128,11 +128,6 @@ static inline int dump_task_regs(struct task_struct *tsk,
 extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *); 
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 
-#ifdef CONFIG_SMP
-extern void dump_smp_unlazy_fpu(void);
-#define ELF_CORE_SYNC dump_smp_unlazy_fpu
-#endif
-
 #endif
 
 /* This yields a mask that user programs can use to figure out what

include/asm-x86_64/elf.h

@@ -150,11 +150,6 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
 #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 
-#ifdef CONFIG_SMP
-extern void dump_smp_unlazy_fpu(void);
-#define ELF_CORE_SYNC dump_smp_unlazy_fpu
-#endif
-
 #endif
 
 #endif