linux-kernel - [PATCH] x86: Fix PTI comment in entry_SYSCALL

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Message-ID: <20180209170638.15161-1-namit@vmware.com>
Date:   Fri, 9 Feb 2018 09:06:38 -0800
From:   Nadav Amit <namit@...are.com>
To:     Thomas Gleixner <tglx@...utronix.de>
CC:     "H. Peter Anvin" <hpa@...or.com>, <x86@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        <linux-kernel@...r.kernel.org>, <nadav.amit@...il.com>,
        Nadav Amit <namit@...are.com>
Subject: [PATCH] x86: Fix PTI comment in entry_SYSCALL_64

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

Signed-off-by: Nadav Amit <namit@...are.com>
---
 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 4a9bef6aca34..f4d4107a93b3 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)
-- 
2.14.1