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authorAl Viro <viro@zeniv.linux.org.uk>2020-06-07 11:48:25 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2020-06-26 01:01:33 -0400
commit4dfa103e82aefe15ac525c0d4853653a774be494 (patch)
tree4f916e95c71c1ef24532a9c0a2f75d40ced498d3
parentx86: copy_fpstate_to_sigframe(): have fpregs_soft_get() use kernel buffer (diff)
downloadwireguard-linux-4dfa103e82aefe15ac525c0d4853653a774be494.tar.xz
wireguard-linux-4dfa103e82aefe15ac525c0d4853653a774be494.zip
x86: kill dump_fpu()
dead since the removal of aout coredump support... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--arch/x86/include/asm/fpu/internal.h1
-rw-r--r--arch/x86/kernel/fpu/regset.c16
2 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 42159f45bf9c..0c85a08176c0 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -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:
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index bd1d0649f8ce..91f80aca27fb 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -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 */