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x86: kill dump_fpu()

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dead since the removal of aout coredump support...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-06-07 11:48:25 -04:00
parent 36c8673f90
commit 4dfa103e82
2 changed files with 0 additions and 17 deletions
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1
arch/x86/include/asm/fpu/internal.h
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@ -34,7 +34,6 @@ extern int fpu__copy(struct task_struct *dst, struct task_struct *src);
extern void fpu__clear_user_states(struct fpu *fpu);
extern void fpu__clear_all(struct fpu *fpu);
extern int fpu__exception_code(struct fpu *fpu, int trap_nr);
extern int dump_fpu(struct pt_regs *ptregs, struct user_i387_struct *fpstate);
/*
* Boot time FPU initialization functions:

16
arch/x86/kernel/fpu/regset.c
View File

@ -356,20 +356,4 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
return ret;
}
/*
* FPU state for core dumps.
* This is only used for a.out dumps now.
* It is declared generically using elf_fpregset_t (which is
* struct user_i387_struct) but is in fact only used for 32-bit
* dumps, so on 64-bit it is really struct user_i387_ia32_struct.
*/
int dump_fpu(struct pt_regs *regs, struct user_i387_struct *ufpu)
{
struct task_struct *tsk = current;
return !fpregs_get(tsk, NULL, 0, sizeof(struct user_i387_ia32_struct),
ufpu, NULL);
}
EXPORT_SYMBOL(dump_fpu);
#endif /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */