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Mon, 3 Jul 2023 11:32:39 -0400 (EDT) From: Thomas Monjalon <thomas@monjalon.net> To: Vladimir Ratnikov <vratnikov@netgate.com>, hkalra@marvell.com Cc: dev@dpdk.org, Stephen Hemminger <stephen@networkplumber.org>, Junfeng Guo <junfeng.guo@intel.com>, Simei Su <simei.su@intel.com>, qi.z.zhang@intel.com Subject: Re: [PATCH] eal/interrupts: Allow UIO interrupts when using igb_uio Date: Mon, 03 Jul 2023 17:32:37 +0200 Message-ID: <8278146.NyiUUSuA9g@thomas> In-Reply-To: <20230614094638.2649366f@hermes.local> References: <20230614134018.2344-1-vratnikov@netgate.com> <20230614094638.2649366f@hermes.local> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org 14/06/2023 18:46, Stephen Hemminger: > On Wed, 14 Jun 2023 13:40:18 +0000 > Vladimir Ratnikov <vratnikov@netgate.com> wrote: > > > Some drivers and devices(ex: igc + i225/i226) use > > RTE_INTR_HANDLE_UIO handler when captured under igb_uio > > so just let them use it. > > > > Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com> > > This doesn't look right. > > With UIO only a single interrupt is possible, there is no MSI-X support. Please Vladimir, could you reply to Stephen? I think he is suggesting a better fix in the igc driver.