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authorHeiko Carstens <hca@linux.ibm.com>2023-02-28 13:57:48 +0100
committerVasily Gorbik <gor@linux.ibm.com>2023-03-13 09:16:42 +0100
commitf33f2d4c7c80c641f6ca3dfe5e7dfe1f91543780 (patch)
tree700c87b541c442dabfd97333b20ac93e73e73b43 /arch/s390/kernel/processor.c
parents390/bp: add missing BPENTER to program check handler (diff)
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s390/bp: remove TIF_ISOLATE_BP
TIF_ISOLATE_BP is unused since it was introduced with commit 6b73044b2b00 ("s390: run user space and KVM guests with modified branch prediction"). Given that there is no use case remove it again. Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/processor.c')
-rw-r--r--arch/s390/kernel/processor.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index a194611ba88c..7e2878c9a036 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -365,15 +365,6 @@ const struct seq_operations cpuinfo_op = {
.show = show_cpuinfo,
};
-int s390_isolate_bp(void)
-{
- if (!test_facility(82))
- return -EOPNOTSUPP;
- set_thread_flag(TIF_ISOLATE_BP);
- return 0;
-}
-EXPORT_SYMBOL(s390_isolate_bp);
-
int s390_isolate_bp_guest(void)
{
if (!test_facility(82))