[tip:x86/urgent] x86: Remove now-unused save_rest()

From: tip-bot for Borislav Petkov
Date: Tue Sep 10 2013 - 03:52:01 EST


Commit-ID: c0da0fa1d7ebe3c86747b10c92e0ac2be1524a8a
Gitweb: http://git.kernel.org/tip/c0da0fa1d7ebe3c86747b10c92e0ac2be1524a8a
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Sat, 7 Sep 2013 11:39:10 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1378546750-19727-1-git-send-email-bp@xxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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