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 B1061C88E64 for ; Mon, 14 Sep 2026 12:00:00 +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=1JFNg0i5v7/9sZNgu+NW8JW+Lh 024OVyZ4+b+CTxPN3b5JknOfa6jSA5bNf57qOwnQhrKjjuxHxRxm3UEjvZEOGOiuvLBohnGE911+l hwKhTdvOBKmqpBoKgQE+cKYIjZmyOut5pm2DVlNZkfsjPcrClvxEl94ZOLR7A83s8ziUV/2M3HHtf cokMw5dIImadAuhLPZCkKEEne5ri9b/MWNdlRtTzw5sVHOy76NumeJejUAdTdv093DQvPRkNUVSDs fQPstRL4aX+O5TuKGjYFOvFhL5ljHnORakKVQv9D0gJJNqwEW/HbTPvAZkHju7w/r+gmViGyF8ze4 HMNWLzDA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x63pY-000000036IF-0WED; Mon, 14 Sep 2026 10:22:32 +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 1x63pA-000000035qZ-3UYG for linux-arm-kernel@lists.infradead.org; Mon, 14 Sep 2026 10:22:10 +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 62D3A1570; Mon, 14 Sep 2026 03:22:04 -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 D86DB3F7B4; Mon, 14 Sep 2026 03:22:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789381328; bh=+anTZQTcTxJJMqHzg/vnOnnLfKJsJ8zCBI8ExbjXq7s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BrD/Ce9HIWRLZrvmLORYsXH+UKdLJqoXILoCQfloDfGEGif/gtQ2ZZQw7ziaNRoE8 jx7RQt9U0r/x/PNbvfL0ZWo1ipHT66zKU5Z/OVzKjg59TYzWSKaTQDKUKobAjNPhhx rljEw/ZHFjybeQ77xfTdatdDPIfisWoR2Vdqn5NM= From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, maz@kernel.org, lpieralisi@kernel.org, ruanjinjie@huawei.com, liaochang1@huawei.com Subject: [PATCH 28/38] arm64/efi: Add ALLINT to IRQ flags checks Date: Mon, 14 Sep 2026 11:20:52 +0100 Message-Id: <20260914102102.68597-29-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20260914102102.68597-1-vladimir.murzin@arm.com> References: <20260914102102.68597-1-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-20260914_032208_934213_A8EA505F X-CRM114-Status: UNSURE ( 8.65 ) 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