From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 24319 invoked from network); 2 Jun 2020 15:14:08 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 2 Jun 2020 15:14:08 -0000 Received: (qmail 15760 invoked by uid 550); 2 Jun 2020 15:14:02 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 15730 invoked from network); 2 Jun 2020 15:14:01 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=octaforge.org; h=mime-version:message-id:in-reply-to:references:date:from:to :cc:subject:content-type:content-transfer-encoding; s=fm3; bh=dj 6HE39zkFyi21hYY/PMc1ZYR2D9tJGR1pihq3eE9YY=; b=II3kpKbGGd/xA0lFAk FIvByRTkW7xQXufvKg4UdKNeQtaeZ3GBCx+kwVnkTiR6w2YDNYmYZxFlMlzSxxFk Y6ZrJu0H6msSEnBXrlrvbv5RF0jcMI5J3k833ywNMLaKkbK+SUNAMRkeMzzyjI8P DYkm9GHkh2kDG8m7mdCXg8heQlMyQTe4cTB9XxZsN/HzQn+kXtmNfXhCJYS5K9pL zHm+nCm8++PyMbolBaxFYcje9bcMWK+uJoXxpY0oKBuL2rTudf4ZirXazM7bKTjc CNe82VqFcJUDF/ojTrdTBC4tX+ffYC8+2mQQRpe4l/6g7cJgZyQr+mbtFPecdxsJ DSCg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; bh=dj6HE39zkFyi21hYY/PMc1ZYR2D9tJGR1pihq3eE9 YY=; b=rHE2cxEciNBf0a7/JbmiE+THZLaObCgh2j1SZS9kssWbpOkT9mcqvVgc2 nmEe0AI3naGC5TUzkqIHjU2A8yPT5X+RdvjRYSci6WbBQLQnCYrQ+jgVRrQawi0/ wZvoiCbl28bLpw9N2Zu6hftwV7S8zjTvHZ0X6BFQ9SwfYYVd4C9ZLw2tOy1byyhS XFlxnRamQ0OfF5Bdi5ELAfrKFCIYPFeE2kh0FQLUBiW7eXtIP/YUoBXL7xRtJ+8J 3J6wUvPSyNX4q0OC1FQVamFDqdkhloD8L1iMP0Em6XWz5e4MfHpewcSx2LhcNvOl SdII43emTN0ZQVi1miAUWEeG1bLgQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudefjedgieehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepofgfggfkjghffffhvffutgfgsehtqhertderreejnecuhfhrohhmpedfffgr nhhivghlucfmohhlvghsrgdfuceouggrnhhivghlsehotghtrghfohhrghgvrdhorhhgqe enucggtffrrghtthgvrhhnpeffgffgtedvieevhffhvedthfdtteeuvdefgedtheetieff feefffeijeeihffgffenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrih hlfhhrohhmpegurghnihgvlhesohgtthgrfhhorhhgvgdrohhrgh X-ME-Proxy: X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-dev0-519-g0f677ba-fm-20200601.001-g0f677ba6 Mime-Version: 1.0 Message-Id: <3aeb6dfe-ae23-42f9-ac23-16be6b54a850@www.fastmail.com> In-Reply-To: <20200602142337.GS25173@kitsune.suse.cz> References: <2047231.C4sosBPzcN@sheen> <20200602142337.GS25173@kitsune.suse.cz> Date: Tue, 02 Jun 2020 17:13:25 +0200 From: "Daniel Kolesa" To: =?UTF-8?Q?Michal_Such=C3=A1nek?= , "Joseph Myers" Cc: libc-alpha@sourceware.org, eery@paperfox.es, musl@lists.openwall.com, "Will Springer" , "Palmer Dabbelt via binutils" , "via libc-dev" , linuxppc-dev@lists.ozlabs.org Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: [musl] Re: ppc64le and 32-bit LE userland compatibility On Tue, Jun 2, 2020, at 16:23, Michal Such=C3=A1nek wrote: > On Tue, Jun 02, 2020 at 01:40:23PM +0000, Joseph Myers wrote: > > On Tue, 2 Jun 2020, Daniel Kolesa wrote: > >=20 > > > not be limited to being just userspace under ppc64le, but should b= e=20 > > > runnable on a native kernel as well, which should not be limited t= o any=20 > > > particular baseline other than just PowerPC. > >=20 > > This is a fairly unusual approach to bringing up a new ABI. Since n= ew=20 > > ABIs are more likely to be used on new systems rather than switching= ABI=20 > > on an existing installation, and since it can take quite some time f= or all=20 > > the software support for a new ABI to become widely available in=20 > > distributions, people developing new ABIs are likely to think about = what=20 > > new systems are going to be relevant in a few years' time when worki= ng out=20 > > the minimum hardware requirements for the new ABI. (The POWER8 mini= mum=20 > > for powerpc64le fits in with that, for example.) > That means that you cannot run ppc64le on FSL embedded CPUs (which lac= k > the vector instructions in LE mode). Which may be fine with you but > other people may want to support these. Can't really say if that's goo= d > idea or not but I don't foresee them going away in a few years, either= . well, ppc64le already cannot be run on those, as far as I know (I don't = think it's possible to build ppc64le userland without VSX in any configu= ration) >=20 > Thanks >=20 > Michal > Daniel