linux-kernel - Re: [PATCH 000/208] big x86 FPU code rewrite

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Message-ID: <CALCETrV9Pc7a97JYL96UYepb-Dh-x71fqSND7yVGydkjyrvQ8Q@mail.gmail.com>
Date:	Fri, 17 Jul 2015 16:52:13 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Oleg Nesterov <oleg@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 000/208] big x86 FPU code rewrite

On Tue, May 5, 2015 at 10:50 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
>> On Tue, May 5, 2015 at 9:23 AM, Ingo Molnar <mingo@...nel.org> wrote:
>> >  83 files changed, 3742 insertions(+), 2841 deletions(-)
>>
>> How much of this is just the added instrumentation? [...]
>
> Half of it is that, plus a lot of comments.
>
>> [...] Because that's almost a thousand new lines, which makes me
>> unhappy. The *last* thing we want is to make this thing bigger.
>> [...]
>
> So Boris suggested that I should move fpu/measure.c out of the FPU
> code anyway, which is fair enough, as it measures a lot of other low
> level details as well. Consider it done.

Where did the measurement code go?  Regardless of where it lives, I liked it.

--Andy
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