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| author | Ben Hutchings | 2008-09-01 13:50:14 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2008-09-25 00:54:40 +0200 |
| commit | 0a62f1a681006719c226a682dbcfb4358c8b3d28 (patch) | |
| tree | 19f3f64b5b4c720f2180730619fab56f172a6c1d /drivers/net/sfc/falcon.c | |
| parent | sfc: Insert read memory barrier after checking MAC statistics flag (diff) | |
| download | kernel-qcow2-linux-0a62f1a681006719c226a682dbcfb4358c8b3d28.tar.gz kernel-qcow2-linux-0a62f1a681006719c226a682dbcfb4358c8b3d28.tar.xz kernel-qcow2-linux-0a62f1a681006719c226a682dbcfb4358c8b3d28.zip | |
sfc: Disable interrupts after a fatal interrupt occurs until reset
This should avoid an interrupt storm, which has been observed in the
field with one faulty board.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sfc/falcon.c')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 3a5289fe8d1d..d30c938d0fbf 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1374,10 +1374,11 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx) EFX_OWORD_FMT "\n", EFX_OWORD_VAL(reg)); } - /* Disable DMA bus mastering on both devices */ + /* Disable both devices */ pci_disable_device(efx->pci_dev); if (FALCON_IS_DUAL_FUNC(efx)) pci_disable_device(nic_data->pci_dev2); + falcon_disable_interrupts(efx); if (++n_int_errors < FALCON_MAX_INT_ERRORS) { EFX_ERR(efx, "SYSTEM ERROR - reset scheduled\n"); |