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 801ADC00140 for ; Fri, 5 Aug 2022 18:46:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241203AbiHESqH (ORCPT ); Fri, 5 Aug 2022 14:46:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236261AbiHESqF (ORCPT ); Fri, 5 Aug 2022 14:46:05 -0400 Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 081A79FE0 for ; Fri, 5 Aug 2022 11:46:03 -0700 (PDT) Received: from imladris.surriel.com ([96.67.55.152]) by shelob.surriel.com with esmtpsa (TLS1.2) tls TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oK2KZ-0007Fp-E0; Fri, 05 Aug 2022 14:45:55 -0400 Message-ID: <759cbd16bbfc8a9fcf797ae15bbe60aa656a0564.camel@surriel.com> Subject: Re: [RFC PATCH 3/5] x86/entry: Add auxiliary pt_regs space From: Rik van Riel To: ira.weiny@intel.com, Borislav Petkov , Dave Hansen Cc: Dave Hansen , Dan Williams , Peter Zijlstra , Thomas Gleixner , Andy Lutomirski , x86@kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Date: Fri, 05 Aug 2022 14:45:54 -0400 In-Reply-To: <20220805173009.3128098-4-ira.weiny@intel.com> References: <20220805173009.3128098-1-ira.weiny@intel.com> <20220805173009.3128098-4-ira.weiny@intel.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-zLqFce/ErqDZh/fhYKX5" User-Agent: Evolution 3.42.4 (3.42.4-1.fc35) MIME-Version: 1.0 Sender: riel@shelob.surriel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-zLqFce/ErqDZh/fhYKX5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2022-08-05 at 10:30 -0700, ira.weiny@intel.com wrote: >=20 > Prepare the assembly code to add a hidden auxiliary pt_regs space.=C2=A0 > To > simplify, the assembly code only adds space on the stack as defined > by > the C code which needs it.=C2=A0 The use of this space is left to the C > code > which is required to select ARCH_HAS_PTREGS_AUXILIARY to enable this > support. >=20 Acked-by: Rik van Riel --=20 All Rights Reversed. --=-zLqFce/ErqDZh/fhYKX5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEKR73pCCtJ5Xj3yADznnekoTE3oMFAmLtZWIACgkQznnekoTE 3oNvdAgAhf5rGb/Xlju2A8jRn8eYcfo7iEJbdN7vL5ZD39iipjPGuj0Rsdexcn9t NoQpWQBhj6e5fDwEijT3vVZPvW1Co0RaqsHuBPXRHPaxHyVxWxJLu1BD2xlpryQW lThNqYYNmHGO1eDml+1tZRu08fSO0P+t0jccU4r4mtqVDOmn5uLmiMH+OwjvpqA9 KbpYS6F9rPxvYuKFn0SyZhGXb0lLeOrcNXjDY8MehRFrGKFtWdyAzJmsR1/FUuhF mEwYxkK6NvWEYu+hjyXzKfXR/cgSiXuqgRnOsa6Ok48Ct1NYyalKQoPWletBOJuZ /m0Zmu5Lm6Q2x9YXPxvnbHPNf3BEPg== =5n6L -----END PGP SIGNATURE----- --=-zLqFce/ErqDZh/fhYKX5--