]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: ddcc51e) | patch
s390/bpf: Fix ALU_NEG (A = -A)
authorMichael Holzheu <holzheu@linux.vnet.ibm.com>
Thu, 8 Jan 2015 13:36:21 +0000 (14:36 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 9 Jan 2015 09:10:30 +0000 (10:10 +0100)
commit35a36229d71b0589e60e7ad06bd4819198c09e2d
tree26b328857f004c83f45eb3a5af446ead0dbc973ctree | snapshot
parentddcc51e88856a1566dcb020fa1f4588599afaa3acommit | diff
s390/bpf: Fix ALU_NEG (A = -A)

Currently the LOAD NEGATIVE (lnr) instruction is used for ALU_NEG. This
instruction always loads the negative value. Therefore, if A is already
negative, it remains unchanged. To fix this use LOAD COMPLEMENT (lcr)
instead.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/net/bpf_jit_comp.c diff | blob | history
Linux Kernel Source Tree.