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authorPaolo Bonzini <pbonzini@redhat.com>2020-04-21 09:37:13 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-04-21 09:37:13 -0400
commit3bda03865fcaf5e30248bf4b7b37a81f6966caf9 (patch)
tree40e1edb696326bfbd028afc271e7272d87b6b506 /drivers/rtc/rtc-cmos.c
parentkvm: Disable objtool frame pointer checking for vmenter.S (diff)
parentMAINTAINERS: add a reviewer for KVM/s390 (diff)
downloadlinux-dev-3bda03865fcaf5e30248bf4b7b37a81f6966caf9.tar.xz
linux-dev-3bda03865fcaf5e30248bf4b7b37a81f6966caf9.zip
Merge tag 'kvm-s390-master-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
KVM: s390: Fix for 5.7 and maintainer update - Silence false positive lockdep warning - add Claudio as reviewer
Diffstat (limited to 'drivers/rtc/rtc-cmos.c')
-rw-r--r--drivers/rtc/rtc-cmos.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 82bfe009a50f..bcc96ab7793f 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -649,10 +649,11 @@ static struct cmos_rtc cmos_rtc;
static irqreturn_t cmos_interrupt(int irq, void *p)
{
+ unsigned long flags;
u8 irqstat;
u8 rtc_control;
- spin_lock(&rtc_lock);
+ spin_lock_irqsave(&rtc_lock, flags);
/* When the HPET interrupt handler calls us, the interrupt
* status is passed as arg1 instead of the irq number. But
@@ -686,7 +687,7 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
hpet_mask_rtc_irq_bit(RTC_AIE);
CMOS_READ(RTC_INTR_FLAGS);
}
- spin_unlock(&rtc_lock);
+ spin_unlock_irqrestore(&rtc_lock, flags);
if (is_intr(irqstat)) {
rtc_update_irq(p, 1, irqstat);