Re: [PATCH v2 RESEND 08/23] hpsa: Fallback to MSI rather than to INTx if MSI-X failed
On Wed, Jul 16, 2014 at 08:05:12PM +0200, Alexander Gordeev wrote: Currently the driver falls back to INTx mode when MSI-X initialization failed. This is a suboptimal behaviour for chips that also support MSI. This update changes that behaviour and falls back to MSI mode in case MSI-X mode initialization failed. Signed-off-by: Alexander Gordeev agord...@redhat.com Cc: Stephen M. Cameron scame...@beardog.cce.hp.com Cc: iss_storage...@hp.com Cc: linux-scsi@vger.kernel.org Cc: linux-...@vger.kernel.org --- drivers/scsi/hpsa.c |1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 31184b3..648dec2 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6177,7 +6177,6 @@ static void hpsa_interrupt_mode(struct ctlr_info *h) dev_warn(h-pdev-dev, MSI-X init failed %d\n, err); h-msix_vector = 0; - goto default_int_mode; } } if (pci_find_capability(h-pdev, PCI_CAP_ID_MSI)) { -- 1.7.7.6 Ack. Sorry for the slow reply, this got lost in the tornadic maelstrom I call my inbox. I also tested this with a Smart Array P420, P420i, and P430 in the system by ifdef'ing out the code for MSI-X and setting h-msix_vector = 0, to force it down the MSI path, and that all appears to work. -- steve -- To unsubscribe from this list: send the line unsubscribe linux-scsi in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH v2 RESEND 08/23] hpsa: Fallback to MSI rather than to INTx if MSI-X failed
On Wed, Aug 13, 2014 at 11:04:54AM -0500, scame...@beardog.cce.hp.com wrote: On Wed, Jul 16, 2014 at 08:05:12PM +0200, Alexander Gordeev wrote: Currently the driver falls back to INTx mode when MSI-X initialization failed. This is a suboptimal behaviour for chips that also support MSI. This update changes that behaviour and falls back to MSI mode in case MSI-X mode initialization failed. Signed-off-by: Alexander Gordeev agord...@redhat.com Cc: Stephen M. Cameron scame...@beardog.cce.hp.com Cc: iss_storage...@hp.com Cc: linux-scsi@vger.kernel.org Cc: linux-...@vger.kernel.org --- drivers/scsi/hpsa.c |1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 31184b3..648dec2 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6177,7 +6177,6 @@ static void hpsa_interrupt_mode(struct ctlr_info *h) dev_warn(h-pdev-dev, MSI-X init failed %d\n, err); h-msix_vector = 0; - goto default_int_mode; } } if (pci_find_capability(h-pdev, PCI_CAP_ID_MSI)) { -- 1.7.7.6 Ack. Sorry for the slow reply, this got lost in the tornadic maelstrom I call my inbox. I also tested this with a Smart Array P420, P420i, and P430 in the system by ifdef'ing out the code for MSI-X and setting h-msix_vector = 0, to force it down the MSI path, and that all appears to work. Thank you, Steve! If your Ack apply to 08/23 or to 09/23 as well? -- steve -- Regards, Alexander Gordeev agord...@redhat.com -- To unsubscribe from this list: send the line unsubscribe linux-scsi in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH v2 RESEND 08/23] hpsa: Fallback to MSI rather than to INTx if MSI-X failed
On Sat, Jul 26, 2014 at 09:16:47AM +0100, Alexander Gordeev wrote: On Wed, Jul 16, 2014 at 08:05:12PM +0200, Alexander Gordeev wrote: Currently the driver falls back to INTx mode when MSI-X initialization failed. This is a suboptimal behaviour for chips that also support MSI. This update changes that behaviour and falls back to MSI mode in case MSI-X mode initialization failed. Hi Stephen, Could you please reveiew hpsa patches in this series? Stephen? Thanks! Signed-off-by: Alexander Gordeev agord...@redhat.com Cc: Stephen M. Cameron scame...@beardog.cce.hp.com Cc: iss_storage...@hp.com Cc: linux-scsi@vger.kernel.org Cc: linux-...@vger.kernel.org --- drivers/scsi/hpsa.c |1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 31184b3..648dec2 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6177,7 +6177,6 @@ static void hpsa_interrupt_mode(struct ctlr_info *h) dev_warn(h-pdev-dev, MSI-X init failed %d\n, err); h-msix_vector = 0; - goto default_int_mode; } } if (pci_find_capability(h-pdev, PCI_CAP_ID_MSI)) { -- 1.7.7.6 -- Regards, Alexander Gordeev agord...@redhat.com -- To unsubscribe from this list: send the line unsubscribe linux-scsi in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html