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[76.102.12.149]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-128f6384e7asm11945471c88.11.2026.03.16.08.40.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2026 08:40:19 -0700 (PDT) Date: Mon, 16 Mar 2026 08:40:18 -0700 From: Stanislav Fomichev To: Maciej Fijalkowski Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, magnus.karlsson@intel.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, ast@kernel.org, daniel@iogearbox.net Subject: Re: [PATCH v2 bpf-next] xsk: use __xsk_rcv_zc_safe for ZC multi-buffer Rx processing Message-ID: References: <20260316140557.461288-1-maciej.fijalkowski@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260316140557.461288-1-maciej.fijalkowski@intel.com> On 03/16, Maciej Fijalkowski wrote: > Commit f620af11c27b ("xsk: avoid double checking against rx queue being > full") addressed a case in copy mode, when working with multi-buffer > xdp_buff, where we were peeking onto XSK Rx queue twice, to find out if > there is a space to produce descriptors. > > Adjust ZC path to follow the same principle. > > Signed-off-by: Maciej Fijalkowski > --- > v2: route patch via bpf-next, not net-next Acked-by: Stanislav Fomichev