[PATCH] Remove ELF_CORE_SYNC

From: Matthew Wilcox (willy_at_debian.org)
Date: 09/30/03

  • Next message: Robert T. Johnson: "Re: 2.6.0-test6: a few __init bugs" 
    Date:	Tue, 30 Sep 2003 22:18:27 +0100
To: Linus Torvalds <torvalds@osdl.org>

    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.

    Index: linux-2.6/include/asm-i386/elf.h
    ===================================================================
    RCS file: /var/cvs/linux-2.6/include/asm-i386/elf.h,v
    retrieving revision 1.1
    diff -u -p -r1.1 elf.h
    --- linux-2.6/include/asm-i386/elf.h 29 Jul 2003 17:01:54 -0000 1.1
    +++ linux-2.6/include/asm-i386/elf.h 30 Sep 2003 21:11:46 -0000
    @@ -127,11 +127,6 @@ extern int dump_task_extended_fpu (struc
     #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)
    Index: linux-2.6/include/asm-ppc64/elf.h
    ===================================================================
    RCS file: /var/cvs/linux-2.6/include/asm-ppc64/elf.h,v
    retrieving revision 1.1
    diff -u -p -r1.1 elf.h
    --- linux-2.6/include/asm-ppc64/elf.h 29 Jul 2003 17:02:04 -0000 1.1
    +++ linux-2.6/include/asm-ppc64/elf.h 30 Sep 2003 21:11:46 -0000
    @@ -128,11 +128,6 @@ static inline int dump_task_regs(struct
     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
    Index: linux-2.6/include/asm-x86_64/elf.h
    ===================================================================
    RCS file: /var/cvs/linux-2.6/include/asm-x86_64/elf.h,v
    retrieving revision 1.1
    diff -u -p -r1.1 elf.h
    --- linux-2.6/include/asm-x86_64/elf.h 29 Jul 2003 17:02:10 -0000 1.1
    +++ linux-2.6/include/asm-x86_64/elf.h 30 Sep 2003 21:11:46 -0000
    @@ -150,11 +150,6 @@ extern int dump_task_fpu (struct task_st
     #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
    Index: linux-2.6/arch/i386/kernel/i387.c
    ===================================================================
    RCS file: /var/cvs/linux-2.6/arch/i386/kernel/i387.c,v
    retrieving revision 1.1
    diff -u -p -r1.1 i387.c
    --- linux-2.6/arch/i386/kernel/i387.c 29 Jul 2003 17:00:24 -0000 1.1
    +++ linux-2.6/arch/i386/kernel/i387.c 30 Sep 2003 21:11:46 -0000
    @@ -549,13 +549,3 @@ int dump_task_extended_fpu(struct task_s
             }
             return fpvalid;
     }
    -
    -
    -#ifdef CONFIG_SMP
    -void dump_smp_unlazy_fpu(void)
    -{
    - unlazy_fpu(current);
    - return;
    -}
    -#endif
    -
    Index: linux-2.6/arch/ppc64/kernel/process.c
    ===================================================================
    RCS file: /var/cvs/linux-2.6/arch/ppc64/kernel/process.c,v
    retrieving revision 1.2.2.1
    diff -u -p -r1.2.2.1 process.c
    --- linux-2.6/arch/ppc64/kernel/process.c 28 Sep 2003 02:26:37 -0000 1.2.2.1
    +++ linux-2.6/arch/ppc64/kernel/process.c 30 Sep 2003 21:11:46 -0000
    @@ -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;
    Index: linux-2.6/arch/x86_64/kernel/i387.c
    ===================================================================
    RCS file: /var/cvs/linux-2.6/arch/x86_64/kernel/i387.c,v
    retrieving revision 1.1
    diff -u -p -r1.1 i387.c
    --- linux-2.6/arch/x86_64/kernel/i387.c 29 Jul 2003 17:00:57 -0000 1.1
    +++ linux-2.6/arch/x86_64/kernel/i387.c 30 Sep 2003 21:11:46 -0000
    @@ -138,12 +138,3 @@ int dump_task_fpu(struct task_struct *ts
     }
             return fpvalid;
     }
    -
    -#ifdef CONFIG_SMP
    -void dump_smp_unlazy_fpu(void)
    -{
    - unlazy_fpu(current);
    - return;
    -}
    -#endif
    - 

    -- 
"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
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