x86: Remove now-unused save_rest() (c0da0fa1) · Commits · 戴 / test

("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:

Borislav 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:

Ingo Molnar <mingo@kernel.org>

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 58+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)

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