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Patch "x86/mm/pti: Fix PTI comment in entry_SYSCALL_64()" has been added to the 4.15-stable tree

PATCH [email protected] 1 participant 1 message Feb 20, 2018

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This is a note to let you know that I've just added the patch titled

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

to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:

     x86-mm-pti-fix-pti-comment-in-entry_syscall_64.patch

and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 14b1fcc62043729d12e8ae00f8297ab2ffe9fa91 Mon Sep 17 00:00:00 2001

From: Nadav Amit <[email protected]>
Date: Fri, 9 Feb 2018 09:06:38 -0800
Subject: x86/mm/pti: Fix PTI comment in entry_SYSCALL_64()

From: Nadav Amit <[email protected]>

commit 14b1fcc62043729d12e8ae00f8297ab2ffe9fa91 upstream.

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 <[email protected]>
Cc Andy Lutomirski <[email protected]>
Cc Arjan van de Ven <[email protected]>
Cc Borislav Petkov <[email protected]>
Cc Dan Williams <[email protected]>
Cc Dave Hansen <[email protected]>
Cc David Woodhouse <[email protected]>
Cc Greg Kroah-Hartman <[email protected]>
Cc Josh Poimboeuf <[email protected]>
Cc Linus Torvalds <[email protected]>
Cc Peter Zijlstra <[email protected]>
Cc Thomas Gleixner <[email protected]>
Cc [email protected]
Link http://lkml.kernel.org/r/[email protected] open here
Signed-off-by Ingo Molnar <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/x86/entry/entry_64.S |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/entry/entry_64.S +1 -1
@@ -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)

Patches currently in stable-queue which might be from [email protected] are

queue-4.15/x86-mm-pti-fix-pti-comment-in-entry_syscall_64.patch