Message ID | 7825453.7LB7BmvA2b@wuerfel |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
On Thu, Mar 13, 2014 at 10:44:34AM +0100, Arnd Bergmann wrote: > Since commit d25f06ea466e "vmxnet3: fix netpoll race condition", > the vmxnet3 driver fails to build when CONFIG_PCI_MSI is disabled, > because it unconditionally references the vmxnet3_msix_rx() > function. > > To fix this, use the same #ifdef in the caller that exists around > the function definition. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Cc: Neil Horman <nhorman@tuxdriver.com> > Cc: Shreyas Bhatewara <sbhatewara@vmware.com> > Cc: "VMware, Inc." <pv-drivers@vmware.com> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: stable@vger.kernel.org Acked-by: Neil Horman <nhorman@tuxdriver.com> > --- > Found this during randconfig testing on ARM. Most of the time when > I report network driver problems, they get fixed in the netdev tree > before I even find them, but since this is for a patch marked "stable", > I made a proper patch anyway. > > Please ignore if this is already a known problem, otherwise make sure > the original patch doesn't get backported without addressing this > issue first. > > diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c > index cbd898f..28965ad 100644 > --- a/drivers/net/vmxnet3/vmxnet3_drv.c > +++ b/drivers/net/vmxnet3/vmxnet3_drv.c > @@ -1761,13 +1761,16 @@ static void > vmxnet3_netpoll(struct net_device *netdev) > { > struct vmxnet3_adapter *adapter = netdev_priv(netdev); > - int i; > > switch (adapter->intr.type) { > - case VMXNET3_IT_MSIX: > +#ifdef CONFIG_PCI_MSI > + case VMXNET3_IT_MSIX: { > + int i; > for (i = 0; i < adapter->num_rx_queues; i++) > vmxnet3_msix_rx(0, &adapter->rx_queue[i]); > break; > + } > +#endif > case VMXNET3_IT_MSI: > default: > vmxnet3_intr(0, adapter->netdev); > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
From: Arnd Bergmann <arnd@arndb.de> Date: Thu, 13 Mar 2014 10:44:34 +0100 > Since commit d25f06ea466e "vmxnet3: fix netpoll race condition", > the vmxnet3 driver fails to build when CONFIG_PCI_MSI is disabled, > because it unconditionally references the vmxnet3_msix_rx() > function. > > To fix this, use the same #ifdef in the caller that exists around > the function definition. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Cc: Neil Horman <nhorman@tuxdriver.com> > Cc: Shreyas Bhatewara <sbhatewara@vmware.com> > Cc: "VMware, Inc." <pv-drivers@vmware.com> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: stable@vger.kernel.org > --- > Found this during randconfig testing on ARM. Most of the time when > I report network driver problems, they get fixed in the netdev tree > before I even find them, but since this is for a patch marked "stable", > I made a proper patch anyway. > > Please ignore if this is already a known problem, otherwise make sure > the original patch doesn't get backported without addressing this > issue first. Applied, and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hello. On 03/13/2014 12:44 PM, Arnd Bergmann wrote: > Since commit d25f06ea466e "vmxnet3: fix netpoll race condition", > the vmxnet3 driver fails to build when CONFIG_PCI_MSI is disabled, > because it unconditionally references the vmxnet3_msix_rx() > function. > To fix this, use the same #ifdef in the caller that exists around > the function definition. > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Cc: Neil Horman <nhorman@tuxdriver.com> > Cc: Shreyas Bhatewara <sbhatewara@vmware.com> > Cc: "VMware, Inc." <pv-drivers@vmware.com> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: stable@vger.kernel.org > --- > Found this during randconfig testing on ARM. Most of the time when > I report network driver problems, they get fixed in the netdev tree > before I even find them, but since this is for a patch marked "stable", > I made a proper patch anyway. > Please ignore if this is already a known problem, otherwise make sure > the original patch doesn't get backported without addressing this > issue first. > diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c > index cbd898f..28965ad 100644 > --- a/drivers/net/vmxnet3/vmxnet3_drv.c > +++ b/drivers/net/vmxnet3/vmxnet3_drv.c > @@ -1761,13 +1761,16 @@ static void > vmxnet3_netpoll(struct net_device *netdev) > { > struct vmxnet3_adapter *adapter = netdev_priv(netdev); > - int i; > > switch (adapter->intr.type) { > - case VMXNET3_IT_MSIX: > +#ifdef CONFIG_PCI_MSI > + case VMXNET3_IT_MSIX: { > + int i; This file's coding style assumes empty line after declaration, so does the networking coding style in general. > for (i = 0; i < adapter->num_rx_queues; i++) > vmxnet3_msix_rx(0, &adapter->rx_queue[i]); > break; > + } > +#endif > case VMXNET3_IT_MSI: > default: > vmxnet3_intr(0, adapter->netdev); WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index cbd898f..28965ad 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1761,13 +1761,16 @@ static void vmxnet3_netpoll(struct net_device *netdev) { struct vmxnet3_adapter *adapter = netdev_priv(netdev); - int i; switch (adapter->intr.type) { - case VMXNET3_IT_MSIX: +#ifdef CONFIG_PCI_MSI + case VMXNET3_IT_MSIX: { + int i; for (i = 0; i < adapter->num_rx_queues; i++) vmxnet3_msix_rx(0, &adapter->rx_queue[i]); break; + } +#endif case VMXNET3_IT_MSI: default: vmxnet3_intr(0, adapter->netdev);
Since commit d25f06ea466e "vmxnet3: fix netpoll race condition", the vmxnet3 driver fails to build when CONFIG_PCI_MSI is disabled, because it unconditionally references the vmxnet3_msix_rx() function. To fix this, use the same #ifdef in the caller that exists around the function definition. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Shreyas Bhatewara <sbhatewara@vmware.com> Cc: "VMware, Inc." <pv-drivers@vmware.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: stable@vger.kernel.org --- Found this during randconfig testing on ARM. Most of the time when I report network driver problems, they get fixed in the netdev tree before I even find them, but since this is for a patch marked "stable", I made a proper patch anyway. Please ignore if this is already a known problem, otherwise make sure the original patch doesn't get backported without addressing this issue first. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html