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 6E86CC98302 for ; Wed, 23 Sep 2026 16:48:39 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5776B42E81; Wed, 23 Sep 2026 18:48:38 +0200 (CEST) Received: from fhigh-b2-smtp.messagingengine.com (fhigh-b2-smtp.messagingengine.com [202.12.124.153]) by mails.dpdk.org (Postfix) with ESMTP id 7C5F44027C; Wed, 23 Sep 2026 18:48:37 +0200 (CEST) Received: from phl-compute-06.internal (phl-compute-06.internal [10.202.2.46]) by mailfhigh.stl.internal (Postfix) with ESMTP id A1EAE7A0132; Wed, 23 Sep 2026 12:48:36 -0400 (EDT) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-06.internal (MEProxy); Wed, 23 Sep 2026 12:48:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1790182116; x=1790268516; bh=u3gHa4NKuEgKp23OMcbCwd9tQ8GxDfAqZ9VvdfPBsfM=; b= ZC3K9YO4N9/1oBVpEbDpC3psGkUsisA2TmeUmG7USjOgtR8mYOdnR9qGgOmpOQsc ADhz68MsYFkZEi4v8felFjy+KgE2yMl/FVmuYIscqeinQRciPx5UJPCvbPZFpCOw usVm/TKC2qgoa1qVBSKGwO0BOh/aVoGKVn33N7iIjUZeOkCxK2UrekCFWAtBj3mi U2VVkpIyvVydofvJui93NbYf+r4eUmqp4hkexkPTfBd6hwM9PUXFEt1PUkQmOmY/ xYwurfVNoQRHXQaRXwXJoeDjrjYyp6b2uXl3hyXoiB1EW8DWPfHsLNtFztMKcy9x eulcW8HJaMdRcx1kjaRWYQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1790182116; x= 1790268516; bh=u3gHa4NKuEgKp23OMcbCwd9tQ8GxDfAqZ9VvdfPBsfM=; b=h 9FIIaK1kUs7168ySvUQ3yOIi2EWzfR6AK5bX2tOyP/h7/hXsEoBjMjcjlimSF4v4 QJENy/1es8+r6JIgHpba0vpn2KUxWHGuZcSR/xINzEkt2ka/uzIU3FY5TS6R8Z09 RVJk07M9h4FCnDuV1jcxhFTKm83ucT2MTl2YzmP0F225w6cqa8UQ5m7FahbOlLZ1 sqSTDqMERkEvE1HETggV8DPuqUoTCHPIO54vlRE3XJNgqTMVdLP2JMMxOZVoABul bJcSdbC/zPTNKwR2BaMCWMXTLF75CYRdbf35v+lm1O88S3It7E3vfAUUgd7HtWbX o/nDUN8PLJ8kd7fLMiHTA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTEtIFm2FOjF5FB6QAECFx9k3e9i8Fwyj844pgZsKvJGqnhjj4XbiC1BqGHyFHjYap 3t8o5BTMSv32iSz7H9yR75QzqpFBaQVpmoW0CiRoHIOadiRaMDmQOweDSByh2wHp5SbTQY Uiy3mFE4TG/Ml1GFTJdlKXMZ5ZGAElfVZ3yEDjwvMcUMSYjk0hGFerixb/IX6kMx+e6mIs xev958xXaxw0ZcmaLPCNOhy0jPd1RDphImhBvsXcqQY74keXFpuhMIaAZlynUMPUQSNcTn C5U2hiusg661bOhtV8uHB1SEUctzOtvR0bzEc0/FMZb1DdE1PjYG0KEnSooqdHsZymfDJB fEgWQDBqimppn5o7wtSluH0yChmcB1aehGZd1XF1J5L1LZktKe5WLdtAEM/nYL1opLZzgW jokGSyx28DndYwHeHayeBZuBPhQKTnMOQNboC7GY1pPTlcARwMJjQBVGgit3ir/MeZZfaz ycbYiP+mO2grnoapHdsjNa/iEH65VnzsZw6ZvUCLuPMFZonjbdTV7L4+httMO/hA35r2MT Di23L8YMHye9tdz2zKKeVNXGUYMgyu0GBz8n14ymWt5SQEu2rhVyzfhBT2g4hBrKAFYaD8 jv6bxa66Xwmcq0yAXo6vkp4ry7Mlu/VcPHSDiMVudCchorNHZKisSuj32VeQ X-ME-Proxy: Feedback-ID: i47234305:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 23 Sep 2026 12:48:35 -0400 (EDT) From: Thomas Monjalon To: Yonghao Li Cc: dev@dpdk.org, konstantin.ananyev@huawei.com, stable@dpdk.org, Bruce Richardson Subject: Re: [PATCH] eal/x86: fix LZCNT CPU feature bit Date: Wed, 23 Sep 2026 18:48:33 +0200 Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" 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 31/08/2026 10:02, Bruce Richardson: > On Fri, Aug 28, 2026 at 09:32:52PM +0100, Yonghao Li wrote: > > --- a/lib/eal/x86/rte_cpuflags.c > > +++ b/lib/eal/x86/rte_cpuflags.c > > @@ -137,7 +137,7 @@ struct feature_entry rte_cpu_feature_table[] = { > > FEAT_DEF(AVX512VP2INTERSECT, 0x00000007, 0, RTE_REG_EDX, 8) > > > > FEAT_DEF(LAHF_SAHF, 0x80000001, 0, RTE_REG_ECX, 0) > > - FEAT_DEF(LZCNT, 0x80000001, 0, RTE_REG_ECX, 4) > > + FEAT_DEF(LZCNT, 0x80000001, 0, RTE_REG_ECX, 5) > > FEAT_DEF(MONITORX, 0x80000001, 0, RTE_REG_ECX, 29) > > > > Confirmed by checking Table 21-90 in the Intel SDM Vol 1 docs. Thanks for > catching this. > > Acked-by: Bruce Richardson Applied, thanks.