From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Gordeev Subject: Re: [PATCH RFC 00/77] Re-design MSI/MSI-X interrupts enablement pattern Date: Wed, 9 Oct 2013 14:57:16 +0200 Message-ID: <20131009125715.GC32733@dhcp-26-207.brq.redhat.com> References: <1380840585.3419.50.camel@bwh-desktop.uk.level5networks.com> <20131004082920.GA4536@dhcp-26-207.brq.redhat.com> <1380922156.3214.49.camel@bwh-desktop.uk.level5networks.com> <20131005142054.GA11270@dhcp-26-207.brq.redhat.com> <1381009586.645.141.camel@pasglop> <20131006060243.GB28142@dhcp-26-207.brq.redhat.com> <1381040386.645.143.camel@pasglop> <20131006071027.GA29143@dhcp-26-207.brq.redhat.com> <20131007180111.GC2481@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Benjamin Herrenschmidt , Ben Hutchings , linux-kernel@vger.kernel.org, Bjorn Helgaas , Ralf Baechle , Michael Ellerman , Martin Schwidefsky , Ingo Molnar , Dan Williams , Andy King , Jon Mason , Matt Porter , linux-pci@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux390@de.ibm.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-ide@vger.kernel.org, iss_storagedev@hp.com, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, e1000-devel@lists.sourcefor To: Tejun Heo Return-path: Content-Disposition: inline In-Reply-To: <20131007180111.GC2481@htj.dyndns.org> Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: List-Id: netdev.vger.kernel.org On Mon, Oct 07, 2013 at 02:01:11PM -0400, Tejun Heo wrote: > Hmmm... yean, the race condition could be an issue as multiple msi > allocation might fail even if the driver can and explicitly handle > multiple allocation if the quota gets reduced inbetween. BTW, should we care about the quota getting increased inbetween? That would entail.. kind of pci_get_msi_limit() :), but IMHO it is not worth it. > tejun -- Regards, Alexander Gordeev agordeev@redhat.com