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(parent: 4253b0e) | patch
s390: remove indirect branch from do_softirq_own_stack
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 24 Apr 2018 09:18:49 +0000 (11:18 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 7 May 2018 19:12:42 +0000 (21:12 +0200)
commit9f18fff63cfd6f559daa1eaae60640372c65f84b
treeb16f137dfd05c94d56c7cd75b9828bea806ced7btree | snapshot
parent4253b0e0627ee3461e64c2495c616f1c8f6b127bcommit | diff
s390: remove indirect branch from do_softirq_own_stack

The inline assembly to call __do_softirq on the irq stack uses
an indirect branch. This can be replaced with a normal relative
branch.

Cc: stable@vger.kernel.org # 4.16
Fixes: f19fbd5ed6 ("s390: introduce execute-trampolines for branches")
Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/irq.c diff | blob | history
John Crispins staging tree