From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2BECC636A0 for ; Sun, 22 Feb 2026 15:31:50 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C808440671; Sun, 22 Feb 2026 16:31:38 +0100 (CET) Received: from out-174.mta1.migadu.com (out-174.mta1.migadu.com [95.215.58.174]) by mails.dpdk.org (Postfix) with ESMTP id 4B9CA402E7 for ; Sun, 22 Feb 2026 16:30:55 +0100 (CET) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=danielg0.com; s=key1; t=1771774255; 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=wTRpepeSHRgDRw64rXEozfYUaOxtMxug7CnSqDEzOZ4=; b=mnDlXtbQksuroAzZFh7WS3uT9WkMxZJrDMz1raKEjaIQMhcU4DRKolAl7tXnSCpNQEK0gq MulcZlx7uWOH5Wo7EOOwixbnemqw7AcZBFI8FuL9W4GRRgG2afVT8+UMCM521XqMM1m1tl gjzK/eP5RZLqBCmeDvo4BSENij6//vU= From: Daniel Gregory To: =?UTF-8?q?Stanis=C5=82aw=20Kardach?= , Thomas Monjalon Cc: Daniel Gregory , dev@dpdk.org, Punit Agrawal , Liang Ma , Pengcheng Wang , Chunsong Feng , Daniel Gregory , Sun Yuechi Subject: [PATCH v4 10/10] doc: implement CRC using riscv carryless multiply Date: Sun, 22 Feb 2026 16:30:04 +0100 Message-ID: <4aa8dbaacbd6ae38dae2a30c3781f1b1ee62d6d5.1771772598.git.code@danielg0.com> In-Reply-To: References: <20240827153230.52880-1-daniel.gregory@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add to v26.03 release notes support for RISC-V Zbc extension to accelerate CRC using the Linux RISC-V hardware probing interface to detect its presence at runtime. Signed-off-by: Daniel Gregory --- .mailmap | 2 +- doc/guides/rel_notes/release_26_03.rst | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/.mailmap b/.mailmap index 6c4c977dde..ba36d4310d 100644 --- a/.mailmap +++ b/.mailmap @@ -314,7 +314,7 @@ Dan Gora Dan Nowlin Dan Wei Dana Vardi -Daniel Gregory +Daniel Gregory Daniel Kaminsky Daniel Kan Daniel Martin Buckley diff --git a/doc/guides/rel_notes/release_26_03.rst b/doc/guides/rel_notes/release_26_03.rst index b4499ec066..b5badfb909 100644 --- a/doc/guides/rel_notes/release_26_03.rst +++ b/doc/guides/rel_notes/release_26_03.rst @@ -106,6 +106,14 @@ New Features Added handling of the key combination Control+L to clear the screen before redisplaying the prompt. +* **Added RISC-V carryless multiplication support in CRC computation.** + + The RISC-V Zbc extension adds instructions for carryless multiplication. + Support for using this extension to accelerate CRC computation was added to + hash and net. This acceleration is enabled when the Zbc extension is present + on the build target and detected at runtime using the Linux RISC-V hardware + probing interface. + Removed Items ------------- -- 2.53.0