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Date: Mon, 17 Aug 2015 10:17:26 -0700
Message-ID: <CA+55aFwjbXFKE0u0stUV1s0E-3MrQ4HAcXMCPiaOjqZps5wWJQ@mail.gmail.com>
Subject: Re: [GIT PULL] x86 fixes
From: Linus Torvalds <torvalds@linux-foundation.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>, Juergen Gross <jgross@suse.com>,
        Andy Lutomirski <luto@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Brian Gerst <brgerst@gmail.com>, Denys Vlasenko <dvlasenk@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>
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On Mon, Aug 17, 2015 at 9:58 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> That is not true.  It *does* work, and I have tested it fairly recently.

Ok, so it's not too badly broken. Good.

Also, while it's been a long time since we needed FPU emulation on the
i486sx, I don't recall the details of any of the (much more modern)
IoT small cores. I *think* the base platforms are all at a Pentium
level (ie not just FPU, but MMX), but maybe there's some reason to
keep FP emulation alive for some platforms.

                  Linus
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