From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Henzl Subject: Re: [PATCH V4 10/10] [SCSI] aacraid: Replace pci_enable_msix() with pci_enable_msix_range() Date: Wed, 22 Jul 2015 15:56:16 +0200 Message-ID: <55AFA100.7010708@redhat.com> References: <1437501571-2475-1-git-send-email-rajinikanth.pandurangan@pmcs.com> <1437501571-2475-11-git-send-email-rajinikanth.pandurangan@pmcs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:34400 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933478AbbGVN4U (ORCPT ); Wed, 22 Jul 2015 09:56:20 -0400 In-Reply-To: <1437501571-2475-11-git-send-email-rajinikanth.pandurangan@pmcs.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: rajinikanth.pandurangan@pmcs.com, jbottomley@parallels.com, linux-scsi@vger.kernel.org Cc: aacraid@pmc-sierra.com, harry.yang@pmcs.com, rich.bono@pmcs.com, mahesh.rajashekhara@pmcs.com, achim.leubner@pmcs.com, murthy.bhat@pmcs.com On 21.7.2015 19:59, rajinikanth.pandurangan@pmcs.com wrote: > From: Rajinikanth Pandurangan > > Description: > As pci_enable_msix() deprecated, replaced with pci_enable_msix_range() > > V3 Reviewed/commented by: > Tomas Henzl > > Changes from V3: > Uses pci_enable_msix_range() instead of pci_enable_msix_exact() > based on review comment. > > Signed-off-by: Rajinikanth Pandurangan > --- > drivers/scsi/aacraid/comminit.c | 20 ++++++-------------- > 1 file changed, 6 insertions(+), 14 deletions(-) > > diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c > index b4b6088..3ba6e97 100644 > --- a/drivers/scsi/aacraid/comminit.c > +++ b/drivers/scsi/aacraid/comminit.c > @@ -338,7 +338,7 @@ static int aac_comm_init(struct aac_dev * dev) > > void aac_define_int_mode(struct aac_dev *dev) > { > - int i, msi_count; > + int i, msi_count, min_msix; > > msi_count = i = 0; > /* max. vectors from GET_COMM_PREFERRED_SETTINGS */ > @@ -366,22 +366,14 @@ void aac_define_int_mode(struct aac_dev *dev) > > if (msi_count > 1 && > pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) { > - i = pci_enable_msix(dev->pdev, > + min_msix = 8; That^ will make the pci-enable function fail on boxes with less than eight num-online-cpus -tm > + i = pci_enable_msix_range(dev->pdev, > dev->msixentry, > + min_msix, > msi_count); > - /* Check how many MSIX vectors are allocated */ > - if (i >= 0) { > + if (i > 0) { > dev->msi_enabled = 1; > - if (i) { > - msi_count = i; > - if (pci_enable_msix(dev->pdev, > - dev->msixentry, > - msi_count)) { > - dev->msi_enabled = 0; > - printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", > - dev->name, dev->id, i); > - } > - } > + msi_count = i; > } else { > dev->msi_enabled = 0; > printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", >