From 8688cfcebf09b84385b5e2c461ae08fcde8a5d18 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 3 Jul 2006 00:25:39 -0700 Subject: [PATCH] [PATCH] lockdep: annotate forcedeth.c disable_irq() nv_do_nic_poll() is called from timer softirqs, which has interrupts enabled, but np->lock might also be taken by some other interrupt context. The driver does disable_irq() to get around this problem, so annotate the disable_irq()/enable_irq() calls for lockdep. Has no effect on non-lockdep kernels. Signed-off-by: Ingo Molnar Signed-off-by: Arjan van de Ven Cc: Ayaz Abdulla Cc: Manfred Spraul Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/net/forcedeth.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 92740c66635d..037d870712ff 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -2735,21 +2735,21 @@ static void nv_do_nic_poll(unsigned long data) if (!using_multi_irqs(dev)) { if (np->msi_flags & NV_MSI_X_ENABLED) - disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); + disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); else - disable_irq(dev->irq); + disable_irq_lockdep(dev->irq); mask = np->irqmask; } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { - disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); + disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); mask |= NVREG_IRQ_RX_ALL; } if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { - disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); + disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); mask |= NVREG_IRQ_TX_ALL; } if (np->nic_poll_irq & NVREG_IRQ_OTHER) { - disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); + disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); mask |= NVREG_IRQ_OTHER; } } @@ -2763,21 +2763,21 @@ static void nv_do_nic_poll(unsigned long data) if (!using_multi_irqs(dev)) { nv_nic_irq(0, dev, NULL); if (np->msi_flags & NV_MSI_X_ENABLED) - enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); + enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); else - enable_irq(dev->irq); + enable_irq_lockdep(dev->irq); } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { nv_nic_irq_rx(0, dev, NULL); - enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); + enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); } if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { nv_nic_irq_tx(0, dev, NULL); - enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); + enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); } if (np->nic_poll_irq & NVREG_IRQ_OTHER) { nv_nic_irq_other(0, dev, NULL); - enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); + enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); } } }