Patch "s390/entry: align system call table on 8 bytes" has been added to the 5.10-stable tree

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

    s390/entry: align system call table on 8 bytes

to the 5.10-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:
     s390-entry-align-system-call-table-on-8-bytes.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 378ca2d2ad410a1cd5690d06b46c5e2297f4c8c0 Mon Sep 17 00:00:00 2001
From: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx>
Date: Tue, 26 Mar 2024 18:12:13 +0100
Subject: s390/entry: align system call table on 8 bytes

From: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx>

commit 378ca2d2ad410a1cd5690d06b46c5e2297f4c8c0 upstream.

Align system call table on 8 bytes. With sys_call_table entry size
of 8 bytes that eliminates the possibility of a system call pointer
crossing cache line boundary.

Cc: stable@xxxxxxxxxx
Suggested-by: Ulrich Weigand <ulrich.weigand@xxxxxxxxxx>
Reviewed-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Signed-off-by: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx>
Signed-off-by: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 arch/s390/kernel/entry.S |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -1298,6 +1298,7 @@ ENDPROC(stack_overflow)
 
 #endif
 	.section .rodata, "a"
+	.balign	8
 #define SYSCALL(esame,emu)	.quad __s390x_ ## esame
 	.globl	sys_call_table
 sys_call_table:


Patches currently in stable-queue which might be from sumanthk@xxxxxxxxxxxxx are

queue-5.10/s390-entry-align-system-call-table-on-8-bytes.patch




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