From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Hogan Subject: Re: [PATCH 9/9] RISC-V: Build Infastructure Date: Wed, 28 Jun 2017 22:25:00 +0100 Message-ID: <20170628212500.GN6973@jhogan-linux.le.imgtec.org> References: <20170606230007.19101-1-palmer@dabbelt.com> <20170628185538.1804-1-palmer@dabbelt.com> <20170628185538.1804-10-palmer@dabbelt.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="VpRFFy90J6DTn7yH" Return-path: Received: from mailapp01.imgtec.com ([195.59.15.196]:3391 "EHLO imgpgp01.kl.imgtec.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751526AbdF1VZC (ORCPT ); Wed, 28 Jun 2017 17:25:02 -0400 Content-Disposition: inline In-Reply-To: <20170628185538.1804-10-palmer@dabbelt.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Palmer Dabbelt Cc: peterz@infradead.org, mingo@redhat.com, mcgrof@kernel.org, viro@zeniv.linux.org.uk, sfr@canb.auug.org.au, nicolas.dichtel@6wind.com, rmk+kernel@armlinux.org.uk, msalter@redhat.com, tklauser@distanz.ch, will.deacon@arm.com, paul.gortmaker@windriver.com, linux@roeck-us.net, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, albert@sifive.com --VpRFFy90J6DTn7yH Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Hi Palmer, On Wed, Jun 28, 2017 at 11:55:38AM -0700, Palmer Dabbelt wrote: > + select SYSRISCV_ATOMIC if !ISA_A ... > +config SYSRISCV_ATOMIC > + bool "Include support for atomic operation syscalls" > + default !ISA_A > + help > + If atomic memory instructions are present, i.e., > + CONFIG_ISA_A, this includes support for the syscall that > + provides atomic accesses. This is only useful to run > + binaries that require atomic access but were compiled with > + -mno-atomic. > + > + If CONFIG_ISA_A is unset, this option is mandatory. > + > + If you don't know what to do here, say N. Can this be removed now that you mentioned the atomics syscall being mandatory? I can't find any other references to it. Cheers James --VpRFFy90J6DTn7yH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEd80NauSabkiESfLYbAtpk944dnoFAllUHpcACgkQbAtpk944 dnocwA//X8ELwdxtCUCVeAsO7/aD0IZDlYq94atznAELV6tkReS1EUV6ALY0/k8L NfWfEY4nrR1k0qREj/GX6RSWpOFiCMuhpQX760UWQM9fOgUG+goO9lZbJIFyKNI+ GV7/dFjPt24N/b1bBVNj4jKzsgSoduMWWWuyWteiqY32K22HHtklqcU93efSZqSi tgxoe+MuwISJmyd9zX4VoArmRLU09EdVzspthKNLw4uNVx/2rvC8eNLRfmVRlk1R l64P4Rounzd5rB47JWDuryJueFQBUYx5eb3+IC3rhkp7ZkNnWuUkNShmkAEmFzSy WV4A/CYi1Z2Rvhq060KPqymiZD6XpaUm+h5GnvijGpT0WlaS7a08bXwXjHVby7LZ 2Zqon7hEwhlY2DssEQNtXBmx05Ey47UtLmc/dq/1BTe5BBCBacq5lMlbhC4LNiPE bXM1p51m8m+68WGg12shZBQXO7dHOzHjK0/BNZ0NbkCAOIYIM02zgMZncemdYOW1 Co+vyF/RWxTX3mCyrIfHBqti4N44huGA6U9Sk6DUDQoMJPdzI04OaJD2vUrQJgFK /XgAPSRl36N+bHcHhRcNrXsSuLHPUp+tcocbMRbZbYQiixM53AgU0OpOS6h7T9Z9 HEsHMaza7p/b2FwPFqbe0TZCgh2uIi7fyUshw7ZmQ7Ju2K/9IcY= =RZZS -----END PGP SIGNATURE----- --VpRFFy90J6DTn7yH--