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s390/entry: align system call table on 8 bytes
commit 378ca2d2ad
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>
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@ -653,6 +653,7 @@ SYM_DATA_START_LOCAL(daton_psw)
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SYM_DATA_END(daton_psw)
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SYM_DATA_END(daton_psw)
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.section .rodata, "a"
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.section .rodata, "a"
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.balign 8
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#define SYSCALL(esame,emu) .quad __s390x_ ## esame
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#define SYSCALL(esame,emu) .quad __s390x_ ## esame
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SYM_DATA_START(sys_call_table)
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SYM_DATA_START(sys_call_table)
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#include "asm/syscall_table.h"
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#include "asm/syscall_table.h"
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