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([2001:ee0:4f0f:b1d0:50db:9305:a4f4:d29d]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb6f0ff9sm214379215ad.84.2026.03.04.07.35.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Mar 2026 07:35:40 -0800 (PST) Message-ID: Date: Wed, 4 Mar 2026 22:35:34 +0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2] virtio-net: xsk: Support wakeup on RX side To: Jason Xing Cc: netdev@vger.kernel.org, "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?UTF-8?Q?Eugenio_P=C3=A9rez?= , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , virtualization@lists.linux.dev, linux-kernel@vger.kernel.org References: <20260302164158.4394-1-minhquangbui99@gmail.com> Content-Language: en-US From: Bui Quang Minh In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 3/4/26 14:41, Jason Xing wrote: > On Tue, Mar 3, 2026 at 1:03 AM Bui Quang Minh wrote: >> When XDP_USE_NEED_WAKEUP is used and the fill ring is empty so no buffer >> is allocated on RX side, allow RX NAPI to be descheduled. This avoids >> wasting CPU cycles on polling. Users will be notified and they need to >> make a wakeup call after refilling the ring. >> >> Signed-off-by: Bui Quang Minh > Thanks for handling that problem. Please carry my tag in the next version: > > Reviewed-by: Jason Xing > > You seem to have forgotten to add Xuan Zhuo's tag... This version contains a bug fix which is a non-trivial change so I think it might not be the same as the version that he approved of. Thanks, Quang Minh.