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| author | Sumanth Korikkar <sumanthk@linux.ibm.com> | 2024-03-26 18:12:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 12:51:37 +0200 |
| commit | 485b5d1d6a65f41d9d1c52db36ba460783d07218 (patch) | |
| tree | 7066b9b86dbc6c232d7bef10ca8670b273b59f38 | |
| parent | 976b1b2680fb4c01aaf05a0623288d87619a6c93 (diff) | |
| download | linux-485b5d1d6a65f41d9d1c52db36ba460783d07218.tar.gz linux-485b5d1d6a65f41d9d1c52db36ba460783d07218.tar.bz2 linux-485b5d1d6a65f41d9d1c52db36ba460783d07218.zip | |
s390/entry: align system call table on 8 bytes
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>
| -rw-r--r-- | arch/s390/kernel/entry.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 5cba1815b8f8..6f28f6ca045b 100644 --- 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: |