From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com [209.85.221.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46F6D1EEA27 for ; Mon, 3 Mar 2025 09:47:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740995275; cv=none; b=K7yPKvbGvfakhIgXsLCn4ipjZrx+W9hjhztLzNYT3ltOKBiiMO69I3mVYMG2Rp27N5lHxh5PpUMhs8xDMF7+iKYU6Cps7sPDOdE6wyOIFsvlqTPsD+COLcj1k51+Rnq6+2bnKEInu92/Pxl1gNRWMUo1KTRB3OVY3ZFX7OZrudc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740995275; c=relaxed/simple; bh=sSIGCV1NJMucwdo63O6AoWB/mxERMptnXw9CEzSBXF4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jWVzsVcRd31Xv2VO6NdwEs3cCrrxYoAviguvRdWMhYtVEpE5V5vVNMGnf0mVO8mbl/JTDWHNs6RaDZmHKq6WgNslEldGn/ynxVqVnpu6qUbz1unP6mfUU0LM2GLBAtQqBrlIVtqrGm1oIhYNwUn1vmufFHrzPCgsZSQIaWEz1jg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=EMVGiFia; arc=none smtp.client-ip=209.85.221.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="EMVGiFia" Received: by mail-wr1-f50.google.com with SMTP id ffacd0b85a97d-390e3b3d432so2848214f8f.2 for ; Mon, 03 Mar 2025 01:47:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1740995272; x=1741600072; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=CKA+Otx0H3SSzEwciVvwkw/A8oV7+p3SzrtXzaI0oPU=; b=EMVGiFiaNY+4UvYFViW27GkVsczugurb+IVX63QVpn0DJwf58p1Ko2jiyKlcasrfPv zzCNuTjg7ThRxPfDwmieflnPEpGRb7uZRgRCamggnJxLYogkBRTaPQFCEZUIKTRbIwCM SlPv3A6lx/0y15lmLyoPO/2BxzJF+dMPNfX4Ccz4vfALVW6Oi2rjklt7T33w7a4ZRb4I /FJ7bMypa2KsgLftsNL57vINqnlJuW/qkIJqwtiB5Q8SLS/3+ToN637406X4S3ooIaUc CH7GKkN/Q11hRZt8vQeehQFnH4CsrfqOp3bDnJlRNan2A8TOjwTcj3wbUgO6Xcv8FBj8 ETng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740995272; x=1741600072; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=CKA+Otx0H3SSzEwciVvwkw/A8oV7+p3SzrtXzaI0oPU=; b=fpezy3PTLAgldmDhb/ovGA4pEg4sxbKOmkuYGMlQxmMF18/bOp9HP5TL+fZZo3wsiY w5Ag0FmMfaFU02zIVSIiBWsJ0Q9alyt4u6WL7Dm+WIeGkmGvBWjT1Dvkj0ZI/xi6tHz8 5dR28K0Nlo1aLfAAl44YEd8cdqFIvtSBP9+15bBfB8iGpx/qIK0sdKPTKeT+t0zJSGkC 4IZSsicVodkAuDJGY9Br48T2YCB62/DXLCThrqOcXnrK5lD1A39pKoAJGS1nhvLAe7sX Hn8uuWCdudDz6V8oUI2x8Xlkz8blF5n631fSZbrP9waJuh/9btENoAeqtRN5C7BPqG1T Hb/A== X-Forwarded-Encrypted: i=1; AJvYcCX9qqzJlL4yIuxaqQ11/PSytNUoylq1zgHeOMx+Yv+EGVVDWh8PgvgECuGDfY9NQxbmLRskGpat4mLhc9Q=@vger.kernel.org X-Gm-Message-State: AOJu0Yx1V4XxU7GS9PZIiQzwQUJE/6hWjR2K7Z056nN8G/OMzyuknh5U uzmdWGtp2d9jH9+M2SIq4QzdcpbmVp0Q1hrb9iv2m06p0M0zJpIvVx0AFDeTog== X-Gm-Gg: ASbGncvlSLD6FWA137N7/akDE6Sm7pJ+Hc/nFWfxxOyyiH51pAoMD6EUMkYiJqGSsKg 9Q9V+1OokTOp4dlnjwzJ0Z6Kyxs6jTSI8ryCYUu0D5bkCbVWLe4kQmpiXvgqJNy6jRnisReOVlR sJpawHp5PSxrru4YhjIflrtPK0aINEdKnS1jGFoabQ4Jg43Wwa8V7dOzO+bNTSM4Xq0XGB4D61K OjrRjeYLX8ig46/8QtFVpjZupucYARklF330+ZekcLUzr/hHDTOPM5KSi9IJilCZ1SgnSga3ZiU VU0wO1Zptj0EvnOLd1HUmnvzaFj+/pmCIcA4UiYa3/8JZxOMl0OFoJ6yHowNNoH786uZ8eH3zyY Vw9RiMrb64Rj/ X-Google-Smtp-Source: AGHT+IGZadExtmq2ZKN18m9L/PK1JThIrBLdkTgdsuEaaAEPwP3+f2+949dpjiKHv0jHI9BGV6sDlw== X-Received: by 2002:a05:6000:2ce:b0:390:f9d0:5e3 with SMTP id ffacd0b85a97d-390f9d0075cmr4936619f8f.1.1740995272497; Mon, 03 Mar 2025 01:47:52 -0800 (PST) Received: from google.com (105.168.195.35.bc.googleusercontent.com. [35.195.168.105]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390e4796051sm14170400f8f.12.2025.03.03.01.47.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Mar 2025 01:47:52 -0800 (PST) Date: Mon, 3 Mar 2025 09:47:48 +0000 From: Vincent Donnefort To: Quentin Perret Cc: Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/6] KVM: arm64: Move hyp state to hyp_vmemmap Message-ID: References: <20250227003310.367350-1-qperret@google.com> <20250227003310.367350-5-qperret@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250227003310.367350-5-qperret@google.com> [...] > diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c > index 1a414288fe8c..955c431af5d0 100644 > --- a/arch/arm64/kvm/hyp/nvhe/setup.c > +++ b/arch/arm64/kvm/hyp/nvhe/setup.c > @@ -194,16 +194,20 @@ static int fix_host_ownership_walker(const struct kvm_pgtable_visit_ctx *ctx, > > /* > * Adjust the host stage-2 mappings to match the ownership attributes > - * configured in the hypervisor stage-1. > + * configured in the hypervisor stage-1, and make sure to propagate them > + * to the hyp_vmemmap state. > */ > state = pkvm_getstate(kvm_pgtable_hyp_pte_prot(ctx->old)); > switch (state) { > case PKVM_PAGE_OWNED: > + set_hyp_state(phys, PKVM_PAGE_OWNED); > return host_stage2_set_owner_locked(phys, PAGE_SIZE, PKVM_ID_HYP); > case PKVM_PAGE_SHARED_OWNED: > + set_hyp_state(phys, PKVM_PAGE_SHARED_OWNED); > set_host_state(phys, PKVM_PAGE_SHARED_BORROWED); > break; > case PKVM_PAGE_SHARED_BORROWED: > + set_hyp_state(phys, PKVM_PAGE_SHARED_BORROWED); > set_host_state(phys, PKVM_PAGE_SHARED_OWNED); > break; > default: Are the SHARED_OWNED/SHARED_BORROWED still relevant since the introduction of "KVM: arm64: Don't map 'kvm_vgic_global_state' at EL2 with pKVM"? It doesn't seem we have any !OWNED pages in the hyp anymore at setup, do we? > -- > 2.48.1.658.g4767266eb4-goog >