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Commit c0da0fa1 authored by Borislav Petkov's avatar Borislav Petkov Committed by Ingo Molnar
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x86: Remove now-unused save_rest() 



b3af11af ("x86: get rid of pt_regs argument of iopl(2)")
dropped PTREGSCALL which was also the last user of save_rest.
Drop that now-unused function too.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: http://lkml.kernel.org/r/1378546750-19727-1-git-send-email-bp@suse.de


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 52239484

arch/x86/kernel/entry_64.S

+0 −15
Original line number Diff line number Diff line
@@ -487,21 +487,6 @@ ENDPROC(native_usergs_sysret64) 
	TRACE_IRQS_OFF

	.endm



ENTRY(save_rest)

	PARTIAL_FRAME 1 (REST_SKIP+8)

	movq 5*8+16(%rsp), %r11	/* save return address */

	movq_cfi rbx, RBX+16

	movq_cfi rbp, RBP+16

	movq_cfi r12, R12+16

	movq_cfi r13, R13+16

	movq_cfi r14, R14+16

	movq_cfi r15, R15+16

	movq %r11, 8(%rsp)	/* return address */

	FIXUP_TOP_OF_STACK %r11, 16

	ret

	CFI_ENDPROC

END(save_rest)



/* save complete stack frame */

	.pushsection .kprobes.text, "ax"

ENTRY(save_paranoid)