Date: Fri, 27 Nov 2015 21:23:39 +0100
From: Borislav Petkov <bp@alien8.de>
To: Josh Triplett <josh@joshtriplett.org>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Andy Lutomirski <luto@amacapital.net>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Matt Mackall <mpm@selenic.com>, Chris Mason <clm@fb.com>,
        Josef Bacik <jbacik@fb.com>, David Sterba <dsterba@suse.com>,
        kbuild test robot <fengguang.wu@intel.com>
Subject: Re: [RFC PATCH 3/3] x86/cpufeature: Remove unused and seldomly used
 cpu_has_xx macros
Message-ID: <20151127202339.GA3746@pd.tnic>
References: <1447156122-9379-1-git-send-email-bp@alien8.de>
 <1447156122-9379-4-git-send-email-bp@alien8.de>
 <20151124130510.GA21613@pd.tnic>
 <20151124224211.GA23495@x>
 <20151127135257.GA27739@pd.tnic>
 <20151127180432.GC27739@pd.tnic>
 <20151127201355.GC17820@x>
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On Fri, Nov 27, 2015 at 12:13:55PM -0800, Josh Triplett wrote:
> Given an appropriate long description for that config option, that seems
> worthwhile.  Something like this:
> 
> Some fast-paths in the kernel depend on the capabilities of the CPU.
> Say Y here for the kernel to patch in the appropriate code at runtime
> based on the capabilities of the CPU.  The infrastructure for patching
> code at runtime takes up some additional space; space-constrained
> embedded systems may wish to say N here to produce smaller, slightly
> slower code.

Thanks for the text, looks good and I'll use it. :)

And yes, considering the size of the patch, it is really worthwhile to
save ~1.6K kernel text that easily.

I'll do a proper patch and run it through the build tests.

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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