From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f65.google.com (mail-wr1-f65.google.com [209.85.221.65]) by mail.openembedded.org (Postfix) with ESMTP id 0452D6C1DF for ; Fri, 9 Nov 2018 10:30:35 +0000 (UTC) Received: by mail-wr1-f65.google.com with SMTP id v18-v6so1326281wrt.8 for ; Fri, 09 Nov 2018 02:30:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; h=message-id:subject:from:to:date:in-reply-to:references:mime-version :content-transfer-encoding; bh=8a4awSRzFDQ5Vy1VXuC2ajyySFHAGh3XPA2ydGYPrd0=; b=MIVSaYRlNRFZ9DJlOF7/eBhIxM361ryu1/wzoTtlfwixAp6WjLbxJ2XbY2xdHpIyB9 UGj4K3UWYOQKteH4MBJBRwn8eR7W3HWN1ZcTB9m2jO6+c7LiUZmyxh8MY84UaLwWhARx t6Ttj6gdgtCVSJ+AvMGeIZRULY4rBg27Td0mI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=8a4awSRzFDQ5Vy1VXuC2ajyySFHAGh3XPA2ydGYPrd0=; b=HM3D/CdD4h+Xed5OX97YK7fHiU2fv94CSeSCx2NXUwwpFheYXPPD+ghexRBb+2HJkl r8yG8P6Efib314IgNvDl0vOqZFeXU/nAxlE90Ag2MMLMqFxubieFKDyTt3Wn4oZI+nY3 UsLwyDExI0di2dUeoueV4MxQHYqwC8mZ99YDMBn6IPZgLAIkrmbtV3H6j1GHvavmmEjB CFzhi/ibyHCvUZrn7jao9cEexagpCapGr+Q7UPdwgr/AC6TFQlg7c+rC1vzSLCaTo6A8 7wHd2W0WQdGh9J0vVWOTkdcXNMi0aJFxX1vQcR/E6/D+HvyDofELaqQw2cpAAuNH7lOS EfHg== X-Gm-Message-State: AGRZ1gIXci7pfM4HG897aplHoNJzx9ajttGTAHEWtduuMryGX0kLznsj 1h3RuYp2KjwS58r4mjsoSgEBag== X-Google-Smtp-Source: AJdET5ep1kRlQ5EoGJEHctNkyzHd8Ho50bAiQnSknJNN4ESfml6dIKbjD7foWPF/axibvrt9ooancg== X-Received: by 2002:adf:df0a:: with SMTP id y10-v6mr7023009wrl.127.1541759436325; Fri, 09 Nov 2018 02:30:36 -0800 (PST) Received: from hex (5751f4a1.skybroadband.com. [87.81.244.161]) by smtp.gmail.com with ESMTPSA id y64-v6sm1033185wmy.35.2018.11.09.02.30.35 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 09 Nov 2018 02:30:35 -0800 (PST) Message-ID: From: richard.purdie@linuxfoundation.org To: Hongxu Jia , openembedded-core@lists.openembedded.org Date: Fri, 09 Nov 2018 10:30:34 +0000 In-Reply-To: References: X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 Subject: Re: [PATCH 2/2] libjitterentropy: add 2.1.2 X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Nov 2018 10:30:36 -0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit On Fri, 2018-11-09 at 17:12 +0800, Hongxu Jia wrote: > From the following kernel commit we know: Fedora has integrated the > jitter > entropy daemon to work around slow boot problems, especially on VM's > that > don't support virtio-rng > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=81e69df38e2911b642ec121dec319fad2a4782f3 > > Do the same thing for Yocto. > > Signed-off-by: Hongxu Jia I'm not convinced this is going to help. The userspace support comes up quite late and the kernel blocking has already happened before that point when I last saw these issues. This was why I just enabled the virtio rng passthrough everywhere... Is libjitterentropy actually helping your use cases? Cheers, Richard