Ksawlii/kernel_samsung_a53x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

s390/entry: align system call table on 8 bytes

Browse source 
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@kernel.org
Suggested-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sumanth Korikkar 2024-03-26 18:12:13 +01:00 • committed by Ksawlii
parent 3e4bf1a5e2
commit e32689907e
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/s390/kernel/entry.S
View file

@ -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: