s390/futex: add missing EX_TABLE entry to __futex_atomic_op()

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

For some exception types the instruction address points behind the
instruction that caused the exception. Take that into account and add
the missing exception table entry.

Cc: <stable@vger.kernel.org>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

authored by

Heiko Carstens and committed by

Vasily Gorbik 3 years ago a262d3ad 4e1b5a86

+2 -1

1 changed file

expand all

arch

s390

include

asm

futex.h

+2 -1

arch/s390/include/asm/futex.h

··· 17 17 "3: jl 1b\n" \ 18 18 " lhi %0,0\n" \ 19 19 "4: sacf 768\n" \ 20 - EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \ 20 + EX_TABLE(0b,4b) EX_TABLE(1b,4b) \ 21 + EX_TABLE(2b,4b) EX_TABLE(3b,4b) \ 21 22 : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ 22 23 "=m" (*uaddr) \ 23 24 : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \