5.4-stable review patch. If anyone has any objections, please let me know. ------------------ 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 @@ -1542,6 +1542,7 @@ ENDPROC(cleanup_critical) .quad .Lsie_skip - .Lsie_entry #endif .section .rodata, "a" + .balign 8 #define SYSCALL(esame,emu) .quad __s390x_ ## esame .globl sys_call_table sys_call_table:
