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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5439AC0015E for ; Sat, 29 Jul 2023 14:59:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232057AbjG2O7k (ORCPT ); Sat, 29 Jul 2023 10:59:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229897AbjG2O7h (ORCPT ); Sat, 29 Jul 2023 10:59:37 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65DC635B6 for ; Sat, 29 Jul 2023 07:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690642729; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7/wXdZwFXqIWt8nGrgHuW2NdM/uHBSNRLeN2S0n9oPU=; b=H8grvz1EXxVYvbLbG/6u2BJ35oYoLxkj6iI/brZQ7fMr0BdyZhoNFWJv54t0IGW1picwPt ACs8NvCkvDi/14E5/fzVpqV4B/Hvp/AKnlpFv8gNCTGYFPgkYCJtlB0eAY6Sim2xE02Cza NxHIcMKN7l6dvm2vx9qGnazrBfR7G+I= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-530-Yl3hWObyPm-cbaE6puzSww-1; Sat, 29 Jul 2023 10:58:47 -0400 X-MC-Unique: Yl3hWObyPm-cbaE6puzSww-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1D5F5104458D; Sat, 29 Jul 2023 14:58:47 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id F2CA72166B25; Sat, 29 Jul 2023 14:58:46 +0000 (UTC) From: Paolo Bonzini To: Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] KVM: x86/mmu: Guard against collision with KVM-defined PFERR_IMPLICIT_ACCESS Date: Sat, 29 Jul 2023 10:58:16 -0400 Message-Id: <20230729145815.2690215-1-pbonzini@redhat.com> In-Reply-To: <20230721223711.2334426-1-seanjc@google.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > WARN so that any such conflict can be surfaced to KVM developers and > resolved, but otherwise ignore the bit as KVM can't possibly rely on a > flag it knows nothing about. > > Fixes: 4f4aa80e3b88 ("KVM: X86: Handle implicit supervisor access with SMAP") > Signed-off-by: Sean Christopherson Reviewed-by: Paolo Bonzini Paolo