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(parent: fb7d751) | patch
s390/lib: use expoline for all bcr instructions
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 6 Aug 2018 11:49:47 +0000 (13:49 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 7 Aug 2018 11:38:13 +0000 (13:38 +0200)
commit5eda25b10297684c1f46a14199ec00210f3c346e
tree6867393ad6c9d7c5bf1658db1e696f9b534984d0tree | snapshot
parentfb7d7518b0d65955f91c7b875c36eae7694c69bdcommit | diff
s390/lib: use expoline for all bcr instructions

The memove, memset, memcpy, __memset16, __memset32 and __memset64
function have an additional indirect return branch in form of a
"bzr" instruction. These need to use expolines as well.

Cc: <stable@vger.kernel.org> # v4.17+
Fixes: 97489e0663 ("s390/lib: use expoline for indirect branches")
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/lib/mem.S diff | blob | history
Domain: System / Kernel;