From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:51462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753954AbcGUVC1 (ORCPT ); Thu, 21 Jul 2016 17:02:27 -0400 Date: Thu, 21 Jul 2016 16:02:23 -0500 From: Bjorn Helgaas To: Christoph Hellwig Cc: linux-pci@vger.kernel.org, agordeev@redhat.com, linux-kernel@vger.kernel.org Subject: Re: resend: pci: automatic interrupt affinity for MSI/MSI-X capable devices V2 Message-ID: <20160721210223.GA11888@localhost> References: <1469111423-16222-1-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1469111423-16222-1-git-send-email-hch@lst.de> Sender: linux-pci-owner@vger.kernel.org List-ID: Hi Christoph, This thread looks like it might be a typo. It doesn't use any of the new PCI MSI stuff. Looks like the cover letter from the PCI MSI patches, but the actual patches are from a different series? On Thu, Jul 21, 2016 at 04:30:20PM +0200, Christoph Hellwig wrote: > This series adds a new set of functions that transparently use the right > type of interrupt (MSI-X, MSI, legacy interrupt line) for a PCI device, > and if multiple vectors are supported automatically spreads the irq > routing to different CPUs. This will allow the block layer (and hopefully > other consumers in the future) to use this information for mapping > queues to fit the interrupt affinity. > > For the last patche to work you need to merge the irq/for-block branch of > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > > first. > > There also is a git tree available at: > > git://git.infradead.org/users/hch/block.git pci-irq-spreading > > Gitweb: > > http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/pci-irq-spreading > > Since the previous post of V2 I've only added the Reviewed-by: tags from > Alexander. > > Changes since V1 > - change return values for the minmum vector check > - improve the documentation > > Changes since automatic interrupt affinity for MSI/MSI-X capable devices V3: > - add PCI_IRQ_NOLEGACY flag > - various error code fixes > - reuse the pci_enable_msi(x)_range code instead of duplicating it > - don't allocate msix_entry structures for the MSI-X case > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html