linux-kernel - [tip:x86/urgent] x86: Remove now-unused save

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Message-ID: <tip-c0da0fa1d7ebe3c86747b10c92e0ac2be1524a8a@git.kernel.org>
Date:	Tue, 10 Sep 2013 00:51:38 -0700
From:	tip-bot for Borislav Petkov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	tglx@...utronix.de, viro@...iv.linux.org.uk, bp@...e.de
Subject: [tip:x86/urgent] x86: Remove now-unused save_rest()

Commit-ID:  c0da0fa1d7ebe3c86747b10c92e0ac2be1524a8a
Gitweb:     http://git.kernel.org/tip/c0da0fa1d7ebe3c86747b10c92e0ac2be1524a8a
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Sat, 7 Sep 2013 11:39:10 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 10 Sep 2013 09:31:55 +0200

x86: Remove now-unused save_rest()

b3af11afe06a ("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@...e.de>
Cc: Al Viro <viro@...iv.linux.org.uk>
Link: http://lkml.kernel.org/r/1378546750-19727-1-git-send-email-bp@suse.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/entry_64.S | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 1b69951..b077f4c 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -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)
--
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