diff options
| author | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
| commit | da935c66bacb3ed9ada984b053297f87c2dff63a (patch) | |
| tree | 46278da2b312c73f1375b830d7e5912bf23abd78 /kernel/irq | |
| parent | 9435eb1cf0b76b323019cebf8d16762a50a12a19 (diff) | |
| parent | 2205a6ea93fea76f88b43727fea53f3ce3790d6f (diff) | |
| download | op-kernel-dev-da935c66bacb3ed9ada984b053297f87c2dff63a.zip op-kernel-dev-da935c66bacb3ed9ada984b053297f87c2dff63a.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/e1000e/netdev.c
net/xfrm/xfrm_policy.c
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/migration.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 1d25419..441fd62 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -56,6 +56,7 @@ void move_masked_irq(int irq) void move_native_irq(int irq) { struct irq_desc *desc = irq_to_desc(irq); + bool masked; if (likely(!(desc->status & IRQ_MOVE_PENDING))) return; @@ -63,8 +64,15 @@ void move_native_irq(int irq) if (unlikely(desc->status & IRQ_DISABLED)) return; - desc->irq_data.chip->irq_mask(&desc->irq_data); + /* + * Be careful vs. already masked interrupts. If this is a + * threaded interrupt with ONESHOT set, we can end up with an + * interrupt storm. + */ + masked = desc->status & IRQ_MASKED; + if (!masked) + desc->irq_data.chip->irq_mask(&desc->irq_data); move_masked_irq(irq); - desc->irq_data.chip->irq_unmask(&desc->irq_data); + if (!masked) + desc->irq_data.chip->irq_unmask(&desc->irq_data); } - |
