From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: Sun, 11 Feb 2018 11:49:48 +0100
Subject: x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly
Git-commit: 92816f571af81e9a71cc6f3dc8ce1e2fcdf7b6b8
Patch-mainline: v4.16-rc2
References: bsc#1068032 CVE-2017-5754
... same as the other macros in arch/x86/entry/calling.h
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dan.j.williams@intel.com
Link: http://lkml.kernel.org/r/20180211104949.12992-8-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov <bp@suse.de>
---
arch/x86/entry/calling.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index 59675010c9a0..6985440c68fa 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -97,7 +97,7 @@ For 32-bit we have the following conventions - kernel is built with
#define SIZEOF_PTREGS 21*8
- .macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax
+.macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax
/*
* Push registers and sanitize registers of values that a
* speculation attack might otherwise want to exploit. The
@@ -131,9 +131,9 @@ For 32-bit we have the following conventions - kernel is built with
pushq %r15 /* pt_regs->r15 */
xorq %r15, %r15 /* nospec r15*/
UNWIND_HINT_REGS
- .endm
+.endm
- .macro POP_REGS pop_rdi=1 skip_r11rcx=0
+.macro POP_REGS pop_rdi=1 skip_r11rcx=0
popq %r15
popq %r14
popq %r13
@@ -163,7 +163,7 @@ For 32-bit we have the following conventions - kernel is built with
.macro icebp
.byte 0xf1
- .endm
+.endm
/*
* This is a sneaky trick to help the unwinder find pt_regs on the stack. The