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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-09 09:58:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-09 09:58:42 -0700 |
| commit | 0b76088799cc8db1ea9c626e54e7bc65f605e65f (patch) | |
| tree | 8f4ced642b80391f54665039cd0d701ca4e2e4cc | |
| parent | ccd6c35c72c771616c37d1978e02a982da0678ef (diff) | |
| parent | d120198bd5ff1d41808b6914e1eb89aff937415c (diff) | |
| download | misc-0b76088799cc8db1ea9c626e54e7bc65f605e65f.tar.gz | |
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.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 8236e2364eeb4e..7bbfd58958bcc5 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 |