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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92A5FE95A9C for ; Tue, 10 Oct 2023 09:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230230AbjJJJ6J (ORCPT ); Tue, 10 Oct 2023 05:58:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230084AbjJJJ6I (ORCPT ); Tue, 10 Oct 2023 05:58:08 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A7EA8AC; Tue, 10 Oct 2023 02:58:06 -0700 (PDT) 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 1959E1FB; Tue, 10 Oct 2023 02:58:47 -0700 (PDT) Received: from e124191.cambridge.arm.com (e124191.cambridge.arm.com [10.1.197.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 839493F762; Tue, 10 Oct 2023 02:58:04 -0700 (PDT) Date: Tue, 10 Oct 2023 10:58:02 +0100 From: Joey Gouly To: Mark Brown Cc: linux-arm-kernel@lists.infradead.org, nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, catalin.marinas@arm.com, dave.hansen@linux.intel.com, maz@kernel.org, oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v1 15/20] arm64: add POE signal support Message-ID: <20231010095802.GC2098677@e124191.cambridge.arm.com> References: <20230927140123.5283-1-joey.gouly@arm.com> <20230927140123.5283-16-joey.gouly@arm.com> <9fd11f36-3987-4f45-94be-7cf89a05ad04@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9fd11f36-3987-4f45-94be-7cf89a05ad04@sirena.org.uk> Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hi Mark, On Mon, Oct 09, 2023 at 03:49:29PM +0100, Mark Brown wrote: > On Thu, Oct 05, 2023 at 03:34:29PM +0100, Mark Brown wrote: > > On Wed, Sep 27, 2023 at 03:01:18PM +0100, Joey Gouly wrote: > > > Add PKEY support to signals, by saving and restoring POR_EL0 from the stackframe. > > > It'd be nice to have at least a basic test that validates that we > > generate a POE signal frame when expected, though that should be a very > > minor thing which is unlikely to ever actually spot anything. > > Actually, now I think about it we at least need an update to the frame > parser in userspace so it knows about the new frame. Without that it'll > warn whenver it parses the signal context on any system that has POE > enabled. Do you mean in libc? Thanks, Joey