s390: extend expoline to BC instructions

Browse source

The BPF JIT uses a 'b <disp>(%r<x>)' instruction in the definition
of the sk_load_word and sk_load_half functions.

Add support for branch-on-condition instructions contained in the
thunk code of an expoline.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

...

This commit is contained in:

Martin Schwidefsky 2018-04-24 15:32:08 +02:00

parent 9f18fff63c

commit 6deaa3bbca

2 changed files with 77 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

57

arch/s390/include/asm/nospec-insn.h

View file

25

arch/s390/kernel/nospec-branch.c

View file