From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BA051D5ABA; Wed, 25 Feb 2026 01:20:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771982402; cv=none; b=KwLQ5YTdEb+3Y3YdqTRm45h8w8trog9QYlCFUQsrEKZ4QK/ack2fvre6hcz/wmWNx5FgvxoGjIbPSvOR9nrcyZZEAE7SDriRcj9i5bAM88Yrxp8Ey4VVpmplE6kmfh0Q2Wje3Km6uUpQ0FiL5qh7j5egmTm5EN8nKqDWLKMgBcM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771982402; c=relaxed/simple; bh=gG9t7sMKz1Xx1xxYB/va7YeUm993mzNBpwwUvSFMlec=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=g4Fnhc8KGZ0vcVNoC69PiqtdO3xVgG3e0N46rRu4dwZvb0lIuP2ChVLibXlzrxLAsiMUfzFlKHbU3RPgv/1vSecygVUEdEydnJQozU8/052B0VkxiXsUxoD1befVlrd7Xs6hCgAX02dnqWn5vndcG1tsPgQg67hGLxcKNIkx83M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YupJoEpV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YupJoEpV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44488C116D0; Wed, 25 Feb 2026 01:20:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771982402; bh=gG9t7sMKz1Xx1xxYB/va7YeUm993mzNBpwwUvSFMlec=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=YupJoEpVN9aTm2Et3Z5D78YQ1u9IyZNDlzFJurR1SOEKzBGcHPd+qo1CvmdjM40EZ jVhSaO4zPYPRGQ9S+tRpvDuvFopUcpgGWYKR+j2HdFDn96XRNj0C36LTCXhXzfskOE eImbnUUkkdaIb5mSNxz92FOwn0Bm+EIdMkFq2XZVwm/OHuqODciJcmGQcG2xTGmscx GS5QISwovFCUdbCf8XsOz/+0qBc325MonPBjTrlrsPcM4QLAahtUVx/nIO4r2N8VqU IzINwGoG9aR4Lo3b8CYr7S5aXI2diElNEBXjsyHFoh7ifgNUlV7fygsVIbORkA3kbR qT6S93B1TLsNQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA1033808203; Wed, 25 Feb 2026 01:20:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next] xsk: avoid double checking against rx queue being full From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177198240755.23068.1508558961337534625.git-patchwork-notify@kernel.org> Date: Wed, 25 Feb 2026 01:20:07 +0000 References: <20260218150000.301176-1-maciej.fijalkowski@intel.com> In-Reply-To: <20260218150000.301176-1-maciej.fijalkowski@intel.com> To: Maciej Fijalkowski Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, netdev@vger.kernel.org, magnus.karlsson@intel.com, stfomichev@gmail.com Hello: This patch was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Wed, 18 Feb 2026 16:00:00 +0100 you wrote: > Currently non-zc xsk rx path for multi-buffer case checks twice if xsk > rx queue has enough space for producing descriptors: > 1. > if (xskq_prod_nb_free(xs->rx, num_desc) < num_desc) { > xs->rx_queue_full++; > return -ENOBUFS; > } > 2. > __xsk_rcv_zc(xs, xskb, copied - meta_len, rem ? XDP_PKT_CONTD : 0); > -> err = xskq_prod_reserve_desc(xs->rx, addr, len, flags); > -> if (xskq_prod_is_full(q)) > > [...] Here is the summary with links: - [bpf-next] xsk: avoid double checking against rx queue being full https://git.kernel.org/bpf/bpf-next/c/f620af11c27b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html