From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5DE06A0548; Thu, 30 Jun 2022 01:52:25 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B07D141138; Thu, 30 Jun 2022 01:52:24 +0200 (CEST) Received: from mail-pj1-f43.google.com (mail-pj1-f43.google.com [209.85.216.43]) by mails.dpdk.org (Postfix) with ESMTP id E383A40A80 for ; Thu, 30 Jun 2022 01:52:22 +0200 (CEST) Received: by mail-pj1-f43.google.com with SMTP id m14-20020a17090a668e00b001ee6ece8368so1037147pjj.3 for ; Wed, 29 Jun 2022 16:52:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5GYVMCR6y2sXrQDFdmTEb4ixlQIdrL4DRGDV/03lmj4=; b=nRStD7I26wxSYVTi85fpD1wmZv+4UqncUynlRz4jJqw/6+4f+rbt+12e9kWEu//2K/ hqVSQP9nnA3yeGkwQaMTqAL3LTeT8x+RZRZ+WA0TcjXh1LWm/8WyF5Gjk0L0f/bLOmA8 XMv52sYKPqIQ5gL0wjuNh6Rt2Mh08pBVGqi33yHi0fbAqsvOcfxFXvBTmMunin1X+U9X gh31vb3X4u/kT8V1K2vrS/qUyXvJ3XrT6OjWQz8n0UhxQwPqvVly3CyX8xh3Lac71rKl /z9rNCdXlYxujRZcRTSzTujNZQ3MSWqiJWjutK9LmHCXX1lteO/UdCxP6P72O+ckmiM0 aakw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5GYVMCR6y2sXrQDFdmTEb4ixlQIdrL4DRGDV/03lmj4=; b=xAAVkEOlZ/5O0v3aUMELM2Mb8vd8Nag1fq5lBt323QZtGeoc+81nqeVdtCKDA/2stp 84lysmbUZtxEUjtarRlIQ5qNKL5NyWlRP4hyKZQXOGHtqPtV0zAmakzFlZn+fZNRuI82 /vd9spZnB348WJnAkXV8Tymaf98b1o3ZbIO51ZomdtiCW+Pd60mjtZNWavBy0fi1D/Bo xo1n5dvoPVY0FssgahNTQ1opZzrK0YED+pbacaen+ZiGjw0No+wEnMmQyAe0YqrBKDMw ZjXn/KEChS6y0iH7NPT3pXqyoFuie1ypcsZ8rwwm2oSpfVFIQH0EvH0L0pALeTM+TOPf Zg8g== X-Gm-Message-State: AJIora8FFThUQrAbR+NeDJ3UuR6NU43i99rtmELZpfugdsU9j/2ku8Bs KFDreJTjX/bIewJ2JikwI/ahoQ== X-Google-Smtp-Source: AGRyM1u4gMOOZVZsgNRJZ7vgFbR8Vbh7RHbf0ASOPH9okaBPyabuqSJgT1UvEDyCxk/mjy7ARHzcow== X-Received: by 2002:a17:903:1208:b0:16b:81f6:e992 with SMTP id l8-20020a170903120800b0016b81f6e992mr12792901plh.55.1656546741907; Wed, 29 Jun 2022 16:52:21 -0700 (PDT) Received: from hermes.local (204-195-112-199.wavecable.com. [204.195.112.199]) by smtp.gmail.com with ESMTPSA id g207-20020a6252d8000000b0050dc762817esm12096874pfb.88.2022.06.29.16.52.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jun 2022 16:52:21 -0700 (PDT) Date: Wed, 29 Jun 2022 16:52:18 -0700 From: Stephen Hemminger To: longli@linuxonhyperv.com Cc: longli@microsoft.com, Stephen Hemminger , dev@dpdk.org, stable@dpdk.org Subject: Re: [PATCH] net/netvsc: replace the pointers to vmbus device from secondary process Message-ID: <20220629165218.6bccd33a@hermes.local> In-Reply-To: <1656545384-19287-1-git-send-email-longli@linuxonhyperv.com> References: <1656545384-19287-1-git-send-email-longli@linuxonhyperv.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 On Wed, 29 Jun 2022 16:29:44 -0700 longli@linuxonhyperv.com wrote: > From: Long Li > > The vmbus device is allocated via "calloc" before the EAL memory is > initialized. The secondary process can't reference the vmbus device as it is > not mapped correctly in the shared memory region. > > Replace all references to the vmbus device (and its contents) with the > pointers/contents set by the primary process. > > Fixes: 4e9c73e96e ("net/netvsc: add Hyper-V network device") > Cc: stable@dpdk.org > Signed-off-by: Long Li Acked-by: Stephen Hemminger