From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A26E363B8 for ; Mon, 20 Feb 2023 13:40:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25EB1C433EF; Mon, 20 Feb 2023 13:40:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676900448; bh=dFL+IgG3X1F0IEiVcSdi4r0hp7lwG7+JHPS72bO8eJQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QQLVxhAdx0Wx1u2EgKzpBPBIDV8ObRrvOw/llRmYyoot1PfbNicsfAO+BwTHJEues T+RfMtXIp2zF26fE1AloxeODHENJCaK/DDEmS8M7o7KINEtvR5qPo7gg2AyrJNOcFu VJ+sNPrAH3w+U3qytxBY7Kgq/Pa8hvZluHi0A0hM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ard Biesheuvel Subject: [PATCH 4.19 29/89] efi: Accept version 2 of memory attributes table Date: Mon, 20 Feb 2023 14:35:28 +0100 Message-Id: <20230220133554.194067041@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230220133553.066768704@linuxfoundation.org> References: <20230220133553.066768704@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ard Biesheuvel commit 636ab417a7aec4ee993916e688eb5c5977570836 upstream. UEFI v2.10 introduces version 2 of the memory attributes table, which turns the reserved field into a flags field, but is compatible with version 1 in all other respects. So let's not complain about version 2 if we encounter it. Cc: Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/efi/memattr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/firmware/efi/memattr.c +++ b/drivers/firmware/efi/memattr.c @@ -35,7 +35,7 @@ int __init efi_memattr_init(void) return -ENOMEM; } - if (tbl->version > 1) { + if (tbl->version > 2) { pr_warn("Unexpected EFI Memory Attributes table version %d\n", tbl->version); goto unmap;