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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67F43C3815B for ; Thu, 16 Apr 2020 11:10:28 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 21F16206E9 for ; Thu, 16 Apr 2020 11:10:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="cgOtPelt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21F16206E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CF3E74B262; Thu, 16 Apr 2020 07:10:27 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@mg.codeaurora.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bIqWmNbZAirZ; Thu, 16 Apr 2020 07:10:26 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D40D24B271; Thu, 16 Apr 2020 07:10:17 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 645E04B15D for ; Thu, 16 Apr 2020 06:26:33 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4RXV-EtErq70 for ; Thu, 16 Apr 2020 06:26:32 -0400 (EDT) Received: from mail26.static.mailgun.info (mail26.static.mailgun.info [104.130.122.26]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 137434B14C for ; Thu, 16 Apr 2020 06:26:32 -0400 (EDT) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1587032792; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=7e7yje6Jk92q2KWOzUZdbFCXe9Taa4CbqlpJEFe/hWg=; b=cgOtPelt0ucsY++dcv9Nyj3975sSKWOHxCtY0PWfCpzj4uXpa26KyA71b7mjjpQ922og3tze wX/ZSxBmQkU6/u+FZSd1WvFcHbTW+UCnxx16OvffP9hgHj72oWzd6/O2jnmW6Na4oi9Xwm+a 7KY6zaLxMlDJGfNQFKsJ2tnvbLo= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyJiM2ZhNCIsICJrdm1hcm1AbGlzdHMuY3MuY29sdW1iaWEuZWR1IiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e9832d6.7f3ea7295d50-smtp-out-n04; Thu, 16 Apr 2020 10:26:30 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C07D0C432C2; Thu, 16 Apr 2020 10:26:29 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9BE44C433F2; Thu, 16 Apr 2020 10:26:28 +0000 (UTC) MIME-Version: 1.0 Date: Thu, 16 Apr 2020 15:56:28 +0530 From: Sai Prakash Ranjan To: Will Deacon Subject: Re: [PATCH 0/8] Relax sanity checking for mismatched AArch32 EL1 In-Reply-To: References: <20200414213114.2378-1-will@kernel.org> Message-ID: X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 X-Mailman-Approved-At: Thu, 16 Apr 2020 07:10:16 -0400 Cc: Anshuman Khandual , Marc Zyngier , linux-kernel@vger.kernel.org, Doug Anderson , Catalin Marinas , kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 2020-04-16 14:09, Sai Prakash Ranjan wrote: > On 2020-04-15 03:01, Will Deacon wrote: >> Hi all, >> >> For better or worse, there are SoCs in production where some, but not >> all of the CPUs, support AArch32 at EL1 and above. Right now, that >> results in "SANITY CHECK" warnings during boot and an unconditional >> kernel taint. >> >> This patch series tries to do a bit better: the only time we care >> about >> AArch32 at EL1 is for KVM, so rather than throw our toys out of the >> pram, we can instead just disable support for 32-bit guests on these >> systems. In the unlikely scenario of a late CPU hotplug being the >> first >> time we notice that AArch32 is not available, then we fail the hotplug >> (right now we let the thing come online, which leads to hilarious >> results for any pre-existing 32-bit guests). >> >> Feedback welcome, >> >> Will >> > > Thanks Will, tested this series on QCOM SC7180 and SM8150 SoCs. > > For the entire series, > > Tested-by: saiprakash.ranjan@codeaurora.org > Urgh sorry, it should be Tested-by: Sai Prakash Ranjan -Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm