s390: remove indirect branch from do_softirq_own_stack

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commit 9f18fff63c upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Martin Schwidefsky 2018-04-24 11:18:49 +02:00 • committed by Greg Kroah-Hartman

parent ce2e68b3c2

commit a6565fdd90

1 changed files with 2 additions and 3 deletions

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arch/s390/kernel/irq.c

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