From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Weimer Subject: Re: Can we drop upstream Linux x32 support? Date: Tue, 11 Dec 2018 09:16:05 +0100 Message-ID: <871s6o32d6.fsf@oldenburg2.str.redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: (Linus Torvalds's message of "Mon, 10 Dec 2018 17:40:33 -0800") Sender: linux-kernel-owner@vger.kernel.org To: Linus Torvalds Cc: Andrew Lutomirski , the arch/x86 maintainers , Linux List Kernel Mailing , linux-api@vger.kernel.org, Peter Anvin , Peter Zijlstra , bp@alien8.de, vapier@gentoo.org, hjl.tools@gmail.com, dalias@libc.org, x32@buildd.debian.org, Arnd Bergmann , Will Deacon , Catalin Marinas List-Id: linux-api@vger.kernel.org * Linus Torvalds: > Apparently the main real use case is for extreme benchmarking. It's > the only use-case where the complexity of maintaining a whole > development environment and distro is worth it, it seems. Apparently a > number of Spec submissions have been done with the x32 model. Are you sure GCC was used for that? ICC has a 32-bit pointer mode which does not change the (64-bit) kernel interface. Thanks, Florian