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authorHeiko Carstens <hca@linux.ibm.com>2023-09-11 21:40:13 +0200
committerVasily Gorbik <gor@linux.ibm.com>2023-09-19 13:26:57 +0200
commit99441a38c391b1115e405d1f47ede237fca37f1b (patch)
treee670a800462f762c2b8525aac891811634918cce /arch/s390/kernel/perf_pai_ext.c
parent9c66cc5609b13899ef7d143f51c59bdcfd63484d (diff)
downloadlwn-99441a38c391b1115e405d1f47ede237fca37f1b.tar.gz
lwn-99441a38c391b1115e405d1f47ede237fca37f1b.zip
s390: use control register bit defines
Use control register bit defines instead of plain numbers where possible. Reviewed-by: Alexander Gordeev <agordeev@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/perf_pai_ext.c')
-rw-r--r--arch/s390/kernel/perf_pai_ext.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/perf_pai_ext.c b/arch/s390/kernel/perf_pai_ext.c
index 9f724ae44fc7..e91c77155f08 100644
--- a/arch/s390/kernel/perf_pai_ext.c
+++ b/arch/s390/kernel/perf_pai_ext.c
@@ -339,7 +339,7 @@ static int paiext_add(struct perf_event *event, int flags)
S390_lowcore.aicd = virt_to_phys(cpump->paiext_cb);
pcb->acc = virt_to_phys(cpump->area) | 0x1;
/* Enable CPU instruction lookup for PAIE1 control block */
- local_ctl_set_bit(0, 49);
+ local_ctl_set_bit(0, CR0_PAI_EXTENSION_BIT);
debug_sprintf_event(paiext_dbg, 4, "%s 1508 %llx acc %llx\n",
__func__, S390_lowcore.aicd, pcb->acc);
}
@@ -375,7 +375,7 @@ static void paiext_del(struct perf_event *event, int flags)
}
if (--cpump->active_events == 0) {
/* Disable CPU instruction lookup for PAIE1 control block */
- local_ctl_clear_bit(0, 49);
+ local_ctl_clear_bit(0, CR0_PAI_EXTENSION_BIT);
pcb->acc = 0;
S390_lowcore.aicd = 0;
debug_sprintf_event(paiext_dbg, 4, "%s 1508 %llx acc %llx\n",