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 69510C25B75 for ; Fri, 31 May 2024 16:40:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+QdDaOldl7xD0bLyWuT7YT0f7NLQf2w7wKErV5qMkIY=; b=ydVrwZ88OhpP1AQVMTpyAo6gqt F0uUa6puLBQrWOj7jYYx4bm0gfahPH7O4TAwaJFxoIrOU8vM7LcSYyB4AJgaSFHqJa+rGANR2NGhz ImamzWdapGG8HRRjw8nUyVMnJH1meYZ/nIkC9pMbNXUMusibGhNIBh/n+hV5bVm6dFAKpx/OS4f/m cHjpZeogDvotDkTDxx6+tCJRwcs7n+wQENfB7QDMr6p+pr542pLwKwPd4reONvF8nwqjjwyt4ZERj 0YAanDweWjXD4R6hDPXRJFi1H+bhuB3ydZRHFeNrd+4nJo4U+jTlmIko/uBVFha/wl5yeFHPKp43h v7SwzTwA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sD5IU-0000000AscT-0eW7; Fri, 31 May 2024 16:40:06 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sD5IQ-0000000Asaf-3IAt for linux-arm-kernel@lists.infradead.org; Fri, 31 May 2024 16:40:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id B6E11CE1D0F; Fri, 31 May 2024 16:39:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E30C6C116B1; Fri, 31 May 2024 16:39:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717173599; bh=rlYXMn9txVbGYCPiT2IUpgeD44MrV8UPEyTPDwBy2Tk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dSD3vp0EAmW3nQ4jBdkff5x8LhXhmeFSYjYCRtLGk9qtpcSIZtZWjiE0CpQ2PzxQG zq8S87nbi8joiFp3jMggqggvZNfuUE+8cUzIpK9+5B9iud3ukrsQmxDrR9gP3vcCYM 2EtmrX3DIxOWBZb8slu2bltZvdr8hLJw0rZU28LN29nZCAoabp7PbOllZeJho9tGBX Xb6CcTbaxFh7g+zcdkqIY2G2nd0RUVAzTmKC/cwjoAEmV6derZ1lQWvYJc5KiQH+OR xsiLE2t3HEY0uiywjJbomMZLqWwmNUv+lV4FB+jXwbYBSshDHzUyKDOu1WXCqi7Fwn gSwAB/Ll67+Dg== Date: Fri, 31 May 2024 17:39:51 +0100 From: Mark Brown To: Amit Daniel Kachhap Cc: Joey Gouly , linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, bp@alien8.de, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maz@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v4 18/29] arm64: add POE signal support Message-ID: <7789da64-34e2-49db-b203-84b80e5831d5@sirena.org.uk> References: <20240503130147.1154804-1-joey.gouly@arm.com> <20240503130147.1154804-19-joey.gouly@arm.com> <229bd367-466e-4bf9-9627-24d2d0821ff4@arm.com> MIME-Version: 1.0 In-Reply-To: <229bd367-466e-4bf9-9627-24d2d0821ff4@arm.com> X-Cookie: Serving suggestion. X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240531_094003_031875_7CB66003 X-CRM114-Status: GOOD ( 12.75 ) 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: , Content-Type: multipart/mixed; boundary="===============4941488799381668514==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4941488799381668514== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="crruTSd4fVdttIMX" Content-Disposition: inline --crruTSd4fVdttIMX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, May 28, 2024 at 12:26:54PM +0530, Amit Daniel Kachhap wrote: > On 5/3/24 18:31, Joey Gouly wrote: > > +#define POE_MAGIC 0x504f4530 > > +struct poe_context { > > + struct _aarch64_ctx head; > > + __u64 por_el0; > > +}; > There is a comment section in the beginning which mentions the size > of the context frame structure and subsequent reduction in the > reserved range. So this new context description can be added there. > Although looks like it is broken for za, zt and fpmr context. Could you be more specific about how you think these existing contexts are broken? The above looks perfectly good and standard and the existing contexts do a reasonable simulation of working. Note that the ZA and ZT contexts don't generate data payload unless userspace has set PSTATE.ZA. --crruTSd4fVdttIMX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmZZ/VYACgkQJNaLcl1U h9Ci3wgAgleCKLaBEMbJu0CzmzGdWvFcfWAwe7pJAUfgV6FDy/JI8Gy8L94zl2Gw 7U3DH3qDg1TZkpc+LT7nqNuoXy4rjjES8veABih0GdUG8DILjqvgitPM6smrf391 KPXshBFPzSV8efQnp15FPdkUJ/jF6+EqJ6Q03F4FOlYbPMRH0d1GKVmU+r09JNOD 2Gh2GZOhyuCLUqqwuDmjpgvHScykEMIN+c7mX1MDYt0xmC9SFTWI7w7Knv15wNPG I5Bzm7+iqF4KLxD5qazPSlsNihVRSEFDajD8tTpx9601oadr7+oG51y4P71GloJz c8HHc7Cs4xJpmMSz2TvtDfKpKVWj0w== =+zed -----END PGP SIGNATURE----- --crruTSd4fVdttIMX-- --===============4941488799381668514== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============4941488799381668514==--