From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AE312F38 for ; Thu, 8 Jun 2023 07:10:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686208250; x=1717744250; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=77a0rYSCp2pI+GmaZCGA16px4DVtNmeBHtA66fSs5X0=; b=FFCoeI6LbBTInouilMSaeJB2ZUy9PmcdsTMvXE5tRAYWk0kpxjRhzioT O0UxoKyqndZyYSgnQ1ONJBWquDsGVSfGc4SCgUOQdSi60mvSGqWZjXrz4 qgVuC+olEHduU5JBnbmVslza37elTJZ7qpdrzjlUo9tu+ZqudVk51DHXg bkY1QeadRBSSjV8Jz8iB7XKCy+tHLthp+yv2JghcFmn/mWQCYW6HyyzoQ wLxlWP4R3niJPvmtDAqcZGNCxRKICGPpYdGngyeStt4/8LNHf/DT3f3eu cfkNv4eEOg6CDZGCNd0834ylbtQWI7fMEmqJuS5ZkmqBa5/Q0yDQOYYml w==; X-IronPort-AV: E=Sophos;i="6.00,226,1681196400"; d="asc'?scan'208";a="219384620" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 08 Jun 2023 00:10:48 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 8 Jun 2023 00:10:48 -0700 Received: from wendy (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21 via Frontend Transport; Thu, 8 Jun 2023 00:10:45 -0700 Date: Thu, 8 Jun 2023 08:10:21 +0100 From: Conor Dooley To: CC: , Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Nathan Chancellor , Nick Desaulniers , Tom Rix , , , , , Subject: Re: [PATCH v1 0/2] RISC-V: enable rust Message-ID: <20230608-hesitant-yield-5d95d8588584@wendy> References: <20230307102441.94417-1-conor.dooley@microchip.com> <20230608-dispatch-sneer-aa09bd7b2eb8@wendy> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jwKHTUeWzoRRJDdX" Content-Disposition: inline In-Reply-To: <20230608-dispatch-sneer-aa09bd7b2eb8@wendy> --jwKHTUeWzoRRJDdX Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Whoops, actually to Kwang this time... On Thu, Jun 08, 2023 at 08:01:16AM +0100, Conor Dooley wrote: > Hey Kwang, >=20 > On 08/06/2023 05:46, =EC=86=90=EA=B4=91=ED=9B=88/Tizen Platform Lab(SR)/= =EC=82=BC=EC=84=B1=EC=A0=84=EC=9E=90 wrote: > > Hi, > > Recently I'm trying to put a rust patch on the risc-v board. > > I saw a patch [1] and looked through it roughly. > > Only if llvm(not gcc) is allowed, it looks good with no major problems. > >=20 > > > I'll revisit this when my thoughts have settled down. > >=20 > > If you let me know the problematic part, may I try the patch? > >=20 > > [1] https://lore.kernel.org/linux-riscv/20230405-itinerary-handgrip- > > a5ffba368148@spud/ >=20 > Yeah, you can definitely try this or the downstream rust-for-linux > project - both should work well on RISC-V. > The problematic part is figuring out what ISA extensions are supported > by the rust compiler being used (and by bindgen), and deciding what to > put in -march as a result. >=20 > I think it is unlikely to matter for you, unless you're aggressively > mixing versions for different parts of your toolchain. >=20 > I do intend revisting this, probably after the min. version for rust > gets bumped, I've just been really busy with other work the last weeks. >=20 > Cheers, > Conor. --jwKHTUeWzoRRJDdX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZIF+3QAKCRB4tDGHoIJi 0r8aAQDt9wF+pdgpVhMZv8tXfWeGH+y3LngjRFfXsNrCWFKrMgEA8mUqA5y0O7OT apVAA19VykNqtMRTWy+d1gGuDYRcfQc= =GVNO -----END PGP SIGNATURE----- --jwKHTUeWzoRRJDdX--