From patchwork Tue May 3 13:22:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 12835801 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A58C7C433EF for ; Tue, 3 May 2022 13:22:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 090D910FFFA; Tue, 3 May 2022 13:22:13 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by gabe.freedesktop.org (Postfix) with ESMTPS id A9C6110FFF8; Tue, 3 May 2022 13:22:11 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 0970D1F74B; Tue, 3 May 2022 13:22:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651584130; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=OCiFhYZGfRbvpOrr1IR3lhjXORH3jBMETGpB22+cUf4=; b=NkSvVU0jzbByPjBn7ogNMnnyej2TuY2z7mt0eVPium+9eD6GxprqRlfTrBS52DctN/QLAB t6vFitDNeyXk8vdjBpDcdufkxY558EEEVPi+0w4syg5u6iECR8XV+UsVAWKMZVYwPgtEQD Wu33a9malb3HwtZ2ImjJ0txaVGbFhYY= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 5EDF013ABE; Tue, 3 May 2022 13:22:09 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id x7ntFYEscWIASAAAMHmgww (envelope-from ); Tue, 03 May 2022 13:22:09 +0000 From: Juergen Gross To: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 0/2] x86/pat: fix querying available caching modes Date: Tue, 3 May 2022 15:22:05 +0200 Message-Id: <20220503132207.17234-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Tvrtko Ursulin , jbeulich@suse.com, Peter Zijlstra , Dave Hansen , David Airlie , Rodrigo Vivi , Ingo Molnar , Borislav Petkov , Andy Lutomirski , "H. Peter Anvin" , Thomas Gleixner Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix some issues with querying caching modes being available for memory mappings. This is a replacement for the patch of Jan sent recently: https://lists.xen.org/archives/html/xen-devel/2022-04/msg02392.html Juergen Gross (2): x86/pat: fix x86_has_pat_wp() x86/pat: add functions to query specific cache mode availability arch/x86/include/asm/memtype.h | 2 ++ arch/x86/include/asm/pci.h | 2 +- arch/x86/mm/init.c | 24 ++++++++++++++++++++++-- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 8 ++++---- 4 files changed, 29 insertions(+), 7 deletions(-)