lkml.org 
[lkml]   [2018]   [Feb]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:x86/pti] x86/mm/pti: Fix PTI comment in entry_SYSCALL_64()
Commit-ID:  14b1fcc62043729d12e8ae00f8297ab2ffe9fa91
Gitweb: https://git.kernel.org/tip/14b1fcc62043729d12e8ae00f8297ab2ffe9fa91
Author: Nadav Amit <namit@vmware.com>
AuthorDate: Fri, 9 Feb 2018 09:06:38 -0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Sat, 10 Feb 2018 12:44:51 +0100

x86/mm/pti: Fix PTI comment in entry_SYSCALL_64()

The comment is confusing since the path is taken when
CONFIG_PAGE_TABLE_ISOLATION=y is disabled (while the comment says it is not
taken).

Signed-off-by: Nadav Amit <namit@vmware.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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: nadav.amit@gmail.com
Link: http://lkml.kernel.org/r/20180209170638.15161-1-namit@vmware.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/entry/entry_64.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 9e48002..932a445 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -213,7 +213,7 @@ ENTRY(entry_SYSCALL_64)

swapgs
/*
- * This path is not taken when PAGE_TABLE_ISOLATION is disabled so it
+ * This path is only taken when PAGE_TABLE_ISOLATION is disabled so it
* is not required to switch CR3.
*/
movq %rsp, PER_CPU_VAR(rsp_scratch)
\
 
 \ /
  Last update: 2018-02-12 02:47    [W:0.034 / U:0.592 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site