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Red Hat Bugzilla – Attachment 233621 Details for
Bug 321521
warm boot e100 x86_64 fc8 panic
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[patch]
patch fixes problem with e100 IRQ sharing
e100-irq-sharing.patch (text/plain), 907 bytes, created by
Christof Efkemann
on 2007-10-21 15:03:26 UTC
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Description:
patch fixes problem with e100 IRQ sharing
Filename:
MIME Type:
Creator:
Christof Efkemann
Created:
2007-10-21 15:03:26 UTC
Size:
907 bytes
patch
obsolete
>Authors: Christof Efkemann <chref@tzi.de>, Kai Thomsen <kthomsen@tzi.de> >Description: >Avoid interrupt handler execution if e100 interrupts are disabled. >Checks the interrupt mask bit before proceeding with the interrupt handling. > >--- drivers/net/e100.c.old 2007-10-20 18:32:40.000000000 +0200 >+++ drivers/net/e100.c 2007-10-20 18:36:02.000000000 +0200 >@@ -1960,11 +1960,13 @@ > struct net_device *netdev = dev_id; > struct nic *nic = netdev_priv(netdev); > u8 stat_ack = ioread8(&nic->csr->scb.stat_ack); >+ u8 cmd_hi = ioread8(&nic->csr->scb.cmd_hi); > > DPRINTK(INTR, DEBUG, "stat_ack = 0x%02X\n", stat_ack); > > if(stat_ack == stat_ack_not_ours || /* Not our interrupt */ >- stat_ack == stat_ack_not_present) /* Hardware is ejected */ >+ stat_ack == stat_ack_not_present || /* Hardware is ejected */ >+ cmd_hi & irq_mask_all) /* Interrupts masked */ > return IRQ_NONE; > > /* Ack interrupt(s) */
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