From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 6A3E6EBB for ; Mon, 8 Apr 2024 01:03:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712538234; cv=none; b=mWn0i1fO/CPD95Lz/cM50XA0MXV8Qn4HevgjABuclfkxcgCZm8d2KnSy3Nw6vlUcuncyxkPkUTG+mLzKUf7lfHjCjVbgpSYzh/D4acwKIN81A4pKBwy8+Wz7mZePJJbZOd21ScMIC+icKE+aV86T0tbTKB8pG7S0Xnl9ffzb0MQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712538234; c=relaxed/simple; bh=Oof9IwYPFSTPeqyQDdc6SupoIfPpdAP/Y7xlesSnToE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WLT17x74IAoXb1t4ZFnz3//hKzXolJD0K22Ide09FC5pIc+SKO7G9FKC3dq0ac7/T6k2IO46llCWa8W7w5a2qHy/G0SBwMuOWhBgYwZqTb8/lRj1RY0w+uf1y56R0r6lyQQWY8zg7EUPivT9CneD2k6jvb3roGCXQM868/3zdlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=J8hs9DS6; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="J8hs9DS6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712538232; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=w5kd2QgByI9r4402byTbewzH9k1skSighT9jtbHwX60=; b=J8hs9DS6k4wjHqNP/anMDJe1qRMELf0G7yGE15iP4T8WwDPyw9puX3vU40VPJIyqVT0+Ag FTtaxndhWHCUCgNcjMgb+6W4CqOvcHcTALFUmwPkr1ettgmGSb+Alp30RLpvNm7/Rei1pD vmidSzLJPCJfw8QT9qqiLvql/+gB/vI= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-478-2kYpbW4pNbiLMujqyrIZrA-1; Sun, 07 Apr 2024 21:03:49 -0400 X-MC-Unique: 2kYpbW4pNbiLMujqyrIZrA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D4976927A69; Mon, 8 Apr 2024 01:03:48 +0000 (UTC) Received: from localhost (unknown [10.72.116.148]) by smtp.corp.redhat.com (Postfix) with ESMTP id 74ACAC27EAA; Mon, 8 Apr 2024 01:03:47 +0000 (UTC) From: Ming Lei To: Jens Axboe , io-uring@vger.kernel.org Cc: linux-block@vger.kernel.org, Pavel Begunkov , Kevin Wolf , Ming Lei Subject: [PATCH 1/9] io_uring: net: don't check sqe->__pad2[0] for send zc Date: Mon, 8 Apr 2024 09:03:14 +0800 Message-ID: <20240408010322.4104395-2-ming.lei@redhat.com> In-Reply-To: <20240408010322.4104395-1-ming.lei@redhat.com> References: <20240408010322.4104395-1-ming.lei@redhat.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 send_zc never uses any byte in sqe->__pad2[], and the check is unnecessary, so remove it and prepare for using the last byte as sqe extended flags. Signed-off-by: Ming Lei --- io_uring/net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/io_uring/net.c b/io_uring/net.c index 97d815d13b6a..9c0567892945 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -997,7 +997,7 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) zc->done_io = 0; - if (unlikely(READ_ONCE(sqe->__pad2[0]) || READ_ONCE(sqe->addr3))) + if (unlikely(READ_ONCE(sqe->addr3))) return -EINVAL; /* we don't support IOSQE_CQE_SKIP_SUCCESS just yet */ if (req->flags & REQ_F_CQE_SKIP) -- 2.42.0