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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B17FFC54F54 for ; Mon, 27 Jul 2026 16:38:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=QHZgWYPkUlOvid1BCuIg3AE1kCaSX0lr+bdS/q4Z0Vs=; b=XwYEmrJwF8rIjbjVcrRtPp0tbU WdCEi2PZkWhT2LVlyYeHxZHkCsC1renBs8xuBPHojjE9cO/a+cGZq4b/UANx/bmDFvwVZI8Bivntx q9ATr3H/Fg1PBuligSVwOhkdAzqiK1RfoHtQ7ahskPCMI5dIP0AgppTVXb9QKewEW/iNOfZFXw0RD 6al37kzfOT14JH+Olbvd++E09qRf79bC/CIhjDYAgNFU7Az3PKxp3GnpBLmjciP10UfVznVIXx9mX DAnBdEUmQv1YS9gqAPJ8IoSNpQxYAwTeO0qvIMKCfody6JNLLIqurvszmiX8ONH6d/48W1GzHgFbj ismjKXoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1woOKp-00000003OO1-4Acx; Mon, 27 Jul 2026 16:37:47 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1woOJC-00000003NLS-3JvU for linux-arm-kernel@lists.infradead.org; Mon, 27 Jul 2026 16:36:10 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0C7B0175A; Mon, 27 Jul 2026 09:36:01 -0700 (PDT) Received: from login2.euhpc2.arm.com (login2.euhpc2.arm.com [10.58.100.22]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2C6503FB90; Mon, 27 Jul 2026 09:36:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1785170165; bh=+anTZQTcTxJJMqHzg/vnOnnLfKJsJ8zCBI8ExbjXq7s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eKWeX0A/u4jXGQ4RZCQiNLniltrkT7MNvJvvwBBVEQ5c75ePoNJg47xlyRexSkrJm J1oy18Wag8Vo+DiQ5CbzIwkMaLGfe0Xg3kuXCkCQjlS3BrfsfHslHq+O+d9U6LVSnu VXQ0mpvyi7HovGmC9bTwkUYYNslsIzsZmTvJ3UQg= From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Cc: mark.rutland@arm.com, maz@kernel.org, will@kernel.org, catalin.marinas@arm.com, ruanjinjie@huawei.com, liaochang1@huawei.com Subject: [RFC PATCH v2 36/45] arm64/efi: Add ALLINT to IRQ flags checks Date: Mon, 27 Jul 2026 17:34:44 +0100 Message-Id: <20260727163453.7969-37-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20260727163453.7969-1-vladimir.murzin@arm.com> References: <20260727163453.7969-1-vladimir.murzin@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260727_093607_236385_4D626C87 X-CRM114-Status: UNSURE ( 8.84 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org EFI is not expected to modify PSTATE.ALLINT, so check that it remains unchanged across EFI runtime calls. Signed-off-by: Vladimir Murzin Reviewed-by: Jinjie Ruan --- arch/arm64/include/asm/efi.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 0fc5a8cd5850..c7fb21c00690 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -78,6 +78,10 @@ do { \ pr_err_ratelimited(FW_BUG "DAIF+PMR corrupted (0x%x + 0x%x=>0x%x + 0x%x) by EFI call from %pS\n", \ __expected.daif, __expected.pmr, __actual.daif, __actual.pmr, \ caller ?: __builtin_return_address(0)); \ + } else if (system_uses_nmi()) { \ + pr_err_ratelimited(FW_BUG "DAIF+ALLINT corrupted (0x%x + 0x%x=>0x%x + 0x%x) by EFI call from %pS\n", \ + __expected.daif, __expected.allint, __actual.daif, __actual.allint, \ + caller ?: __builtin_return_address(0)); \ } else { \ pr_err_ratelimited(FW_BUG "DAIF corrupted (0x%x=>0x%x) by EFI call from %pS\n", \ __expected.daif, __actual.daif, \ -- 2.34.1