From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v4] igb_uio: allow multi-process access Date: Wed, 17 Jan 2018 00:37:06 +0100 Message-ID: <3136059.R3c8CBnyMf@xps> References: <1513706293-133528-1-git-send-email-xiao.w.wang@intel.com> <1514844010-39793-1-git-send-email-xiao.w.wang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org, Ferruh Yigit , tiwei.bie@intel.com, stephen@networkplumber.org, stable@dpdk.org To: Xiao Wang Return-path: In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 16/01/2018 20:43, Ferruh Yigit: > On 1/1/2018 10:00 PM, Xiao Wang wrote: > > In some case, one device are accessed by different processes via > > different BARs, so one uio device may be opened by more than one > > process, for this case we just need to enable interrupt once, and > > pci_clear_master only when the last process closed. > > > > Fixes: 5f6ff30dc507 ("igb_uio: fix interrupt enablement after FLR in VM") Cc: stable@dpdk.org > > Signed-off-by: Xiao Wang > > Acked-by: Ferruh Yigit Applied, thanks