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=-13.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 6C3F3C433E1 for ; Mon, 24 Aug 2020 08:58:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FB4C2087D for ; Mon, 24 Aug 2020 08:58:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598259534; bh=yDI7kyIrfEtwCe9LMag+1+fPE95GOwlxTupO1hn7NEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=juuToNrjnYUAnpWf7trH0Cw3m1B//lKtDp4zsWEJavlVWEVy6lGYcNi0Wq9QZTjf7 d5krfcfsRbOtUXbClMcUzNmna7yuHqYj2MlWt3Pihr8wqnIk/xEyyvfxEYnnThYQgW 9IYe9UWuQ6/xHY4XDDn9TDoRPEwMJihYpnA8Qdf8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730793AbgHXI6u (ORCPT ); Mon, 24 Aug 2020 04:58:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:45952 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730451AbgHXI6F (ORCPT ); Mon, 24 Aug 2020 04:58:05 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DD9132072D; Mon, 24 Aug 2020 08:58:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598259485; bh=yDI7kyIrfEtwCe9LMag+1+fPE95GOwlxTupO1hn7NEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KUmloRlOxDpuaHkxTmbmbiBWd6cuMC0CZc+OwRHP4rjcD8E8NYg3RFBaFrDhHmEGR DZlGMZNSsXEG3qmplhEa2/cPTY2jGTigtD8WgNhSkV36+zyZ+jlxbkdRJh4g6Sm3Ma lQDc1L6AJGW+w1ZeyH4xHaSCgfVwPQceuL6+pTgA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Juergen Gross , Ard Biesheuvel , Bartlomiej Zolnierkiewicz , Sasha Levin Subject: [PATCH 4.19 56/71] efi: avoid error message when booting under Xen Date: Mon, 24 Aug 2020 10:31:47 +0200 Message-Id: <20200824082358.698146893@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200824082355.848475917@linuxfoundation.org> References: <20200824082355.848475917@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Juergen Gross [ Upstream commit 6163a985e50cb19d5bdf73f98e45b8af91a77658 ] efifb_probe() will issue an error message in case the kernel is booted as Xen dom0 from UEFI as EFI_MEMMAP won't be set in this case. Avoid that message by calling efi_mem_desc_lookup() only if EFI_MEMMAP is set. Fixes: 38ac0287b7f4 ("fbdev/efifb: Honour UEFI memory map attributes when mapping the FB") Signed-off-by: Juergen Gross Acked-by: Ard Biesheuvel Acked-by: Bartlomiej Zolnierkiewicz Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- drivers/video/fbdev/efifb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index cc1006375cacb..f50cc1a7c31a9 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -449,7 +449,7 @@ static int efifb_probe(struct platform_device *dev) info->apertures->ranges[0].base = efifb_fix.smem_start; info->apertures->ranges[0].size = size_remap; - if (efi_enabled(EFI_BOOT) && + if (efi_enabled(EFI_MEMMAP) && !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { if ((efifb_fix.smem_start + efifb_fix.smem_len) > (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) { -- 2.25.1