From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-170.mta0.migadu.com (out-170.mta0.migadu.com [91.218.175.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BE5F22084 for ; Sat, 22 Jun 2024 18:11:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719079886; cv=none; b=BRPpbZQ/ToVnOLpeMQbRuXwUbt8ml8aer8f2vUrKUxAc3XAzQImMKsydWr8naJzW7GlDUG1Xk+hjlYdOL7erPZqj4qb49ia1ZQn0IpqwdMTGyKygEFJ7zYd8BfjSZs6ZY3HuXlJ2zh5FuwWG1TZZroZHF1SP/tu5zxJTFwto2t4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719079886; c=relaxed/simple; bh=dpnIIbuNmw/yXedwiT0BZEq/YFk4luywAuQejbAzBWA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=vCSIXykTuDoPVOV72XG9Mu7RMCwH2bq5zQkfegJSQyKMclwXYuHJId/Lpll/tAuxlcme5FOOIxf3NqYjrMa0jVWf0DqVYfk17fYXt2795IZ0A78FyRRRezVpOAxLpeqcv8o/L0/PoJa3VdnVweN4yBQ7WpNmGa3G06lI2cj26vk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=q3Z7g/Zr; arc=none smtp.client-ip=91.218.175.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="q3Z7g/Zr" X-Envelope-To: oliver.upton@linux.dev DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1719079881; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/+fa/31WHXvK8y3wUSKWM7ddloPmwAShICM7ksLk7Ds=; b=q3Z7g/ZrawMO1Jj+2+8U/brpIx+aWSOofnGEA/zCtL73IAGZZKbmyaqJWEenWF2osTP97E TKwzUBL8Ykv3rysSrwqkzObpnlj6QqQcO4rZ7iQ+7iwcJNyffLXB3gcDBII8NdKDG9scFH 6q5VBZwMOic7uwTjCnTcX9y7s27aHaA= X-Envelope-To: kvmarm@lists.linux.dev X-Envelope-To: yuzenghui@huawei.com X-Envelope-To: james.morse@arm.com X-Envelope-To: suzuki.poulose@arm.com X-Envelope-To: maz@kernel.org X-Envelope-To: kvm@vger.kernel.org X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Oliver Upton , kvmarm@lists.linux.dev Cc: Zenghui Yu , James Morse , Suzuki K Poulose , Marc Zyngier , kvm@vger.kernel.org Subject: Re: [PATCH] KVM: arm64: nv: Unfudge ID_AA64PFR0_EL1 masking Date: Sat, 22 Jun 2024 18:11:09 +0000 Message-ID: <171907984340.2922035.2124351086655706702.b4-ty@linux.dev> In-Reply-To: <20240621224044.2465901-1-oliver.upton@linux.dev> References: <20240621224044.2465901-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On Fri, 21 Jun 2024 22:40:44 +0000, Oliver Upton wrote: > Marc reports that L1 VMs aren't booting with the NV series applied to > today's kvmarm/next. After bisecting the issue, it appears that > 44241f34fac9 ("KVM: arm64: nv: Use accessors for modifying ID > registers") is to blame. > > Poking around at the issue a bit further, it'd appear that the value for > ID_AA64PFR0_EL1 is complete garbage, as 'val' still contains the value > we set ID_AA64ISAR1_EL1 to. > > [...] Applied to kvmarm/next, thanks! [1/1] KVM: arm64: nv: Unfudge ID_AA64PFR0_EL1 masking https://git.kernel.org/kvmarm/kvmarm/c/33d85a93c6c3 -- Best, Oliver