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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-09 19:58:42 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-09 19:58:42 +0300
commit0b76088799cc8db1ea9c626e54e7bc65f605e65f (patch)
tree8f4ced642b80391f54665039cd0d701ca4e2e4cc
parentccd6c35c72c771616c37d1978e02a982da0678ef (diff)
parentd120198bd5ff1d41808b6914e1eb89aff937415c (diff)
downloadlinux-0b76088799cc8db1ea9c626e54e7bc65f605e65f.tar.xz
Merge tag 'for-linus-5.12b-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross: "A single fix of a 5.12 patch for the rather uncommon problem of running as a Xen guest with a real time kernel config" * tag 'for-linus-5.12b-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/evtchn: Change irq_info lock to raw_spinlock_t
-rw-r--r--drivers/xen/events/events_base.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 8236e2364eeb..7bbfd58958bc 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -110,7 +110,7 @@ struct irq_info {
unsigned short eoi_cpu; /* EOI must happen on this cpu-1 */
unsigned int irq_epoch; /* If eoi_cpu valid: irq_epoch of event */
u64 eoi_time; /* Time in jiffies when to EOI. */
- spinlock_t lock;
+ raw_spinlock_t lock;
union {
unsigned short virq;
@@ -312,7 +312,7 @@ static int xen_irq_info_common_setup(struct irq_info *info,
info->evtchn = evtchn;
info->cpu = cpu;
info->mask_reason = EVT_MASK_REASON_EXPLICIT;
- spin_lock_init(&info->lock);
+ raw_spin_lock_init(&info->lock);
ret = set_evtchn_to_irq(evtchn, irq);
if (ret < 0)
@@ -472,28 +472,28 @@ static void do_mask(struct irq_info *info, u8 reason)
{
unsigned long flags;
- spin_lock_irqsave(&info->lock, flags);
+ raw_spin_lock_irqsave(&info->lock, flags);
if (!info->mask_reason)
mask_evtchn(info->evtchn);
info->mask_reason |= reason;
- spin_unlock_irqrestore(&info->lock, flags);
+ raw_spin_unlock_irqrestore(&info->lock, flags);
}
static void do_unmask(struct irq_info *info, u8 reason)
{
unsigned long flags;
- spin_lock_irqsave(&info->lock, flags);
+ raw_spin_lock_irqsave(&info->lock, flags);
info->mask_reason &= ~reason;
if (!info->mask_reason)
unmask_evtchn(info->evtchn);
- spin_unlock_irqrestore(&info->lock, flags);
+ raw_spin_unlock_irqrestore(&info->lock, flags);
}
#ifdef CONFIG_X86