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authorDavid S. Miller <davem@davemloft.net>2009-10-13 03:49:09 -0400
committerDavid S. Miller <davem@davemloft.net>2009-10-13 03:49:09 -0400
commitc58543c869606532c2382f027d6466f4672ea756 (patch)
treed097eb82c49ba91bdf506dec11b2e267e070dc6a /arch/sparc
parent1a78cedb998027ed46d8630b319db8fa678d38f0 (diff)
sparc64: Set IRQF_DISABLED on LDC channel IRQs.
With lots of virtual devices it's easy to generate a lot of events and chew up the kernel IRQ stack. Reported-by: hyl <heyongli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/ldc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index adf5f273868a..cb3c72c45aab 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1242,13 +1242,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
1242 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); 1242 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
1243 1243
1244 err = request_irq(lp->cfg.rx_irq, ldc_rx, 1244 err = request_irq(lp->cfg.rx_irq, ldc_rx,
1245 IRQF_SAMPLE_RANDOM | IRQF_SHARED, 1245 IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
1246 lp->rx_irq_name, lp); 1246 lp->rx_irq_name, lp);
1247 if (err) 1247 if (err)
1248 return err; 1248 return err;
1249 1249
1250 err = request_irq(lp->cfg.tx_irq, ldc_tx, 1250 err = request_irq(lp->cfg.tx_irq, ldc_tx,
1251 IRQF_SAMPLE_RANDOM | IRQF_SHARED, 1251 IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
1252 lp->tx_irq_name, lp); 1252 lp->tx_irq_name, lp);
1253 if (err) { 1253 if (err) {
1254 free_irq(lp->cfg.rx_irq, lp); 1254 free_irq(lp->cfg.rx_irq, lp);