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Re: [RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu caps

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu caps
Date 2016-12-06 09:40 +0100
Message-ID <sLjs5-87p-5@gated-at.bofh.it> (permalink)
References <sLcqB-3CS-9@gated-at.bofh.it> <sLcqB-3CS-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Dec 05, 2016 at 05:01:11PM -0800, Andy Lutomirski wrote:
> There are multiple call sites that apply forced CPU caps.  Factor
> them into a helper.
> 
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
> ---
>  arch/x86/kernel/cpu/common.c | 21 +++++++++++++--------
>  1 file changed, 13 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index 37f031f39e27..347ae0a19380 100644
> --- a/arch/x86/kernel/cpu/common.c
> +++ b/arch/x86/kernel/cpu/common.c
> @@ -655,6 +655,17 @@ void cpu_detect(struct cpuinfo_x86 *c)
>  	}
>  }
>  
> +static void apply_forced_caps(struct cpuinfo_x86 *c)
> +{
> +	int i;
> +
> +	for (i = 0; i < NCAPINTS; i++) {
> +		c->x86_capability[i] &= ~cpu_caps_cleared[i];
> +		c->x86_capability[i] |= cpu_caps_set[i];
> +	}
> +

Superfluous newline.

> +}

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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Thread

[RFC PATCH 0/6] CPUID and FPU fixes Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
  [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
    Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected"  message Borislav Petkov <bp@alien8.de> - 2016-12-06 10:30 +0100
      Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Andy Lutomirski <luto@amacapital.net> - 2016-12-06 19:10 +0100
        Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected"  message Borislav Petkov <bp@alien8.de> - 2016-12-06 19:10 +0100
  [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
    Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Borislav Petkov <bp@alien8.de> - 2016-12-06 10:50 +0100
      Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Andy Lutomirski <luto@amacapital.net> - 2016-12-06 19:00 +0100
        Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Borislav Petkov <bp@alien8.de> - 2016-12-07 10:50 +0100
  [RFC PATCH 6/6] x86/fpu: Fix the "Giving up, no FPU found" test Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
  [RFC PATCH 3/6] x86/cpu: Re-apply forced caps every time cpu caps are re-read Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
    Re: [RFC PATCH 3/6] x86/cpu: Re-apply forced caps every time cpu  caps are re-read Borislav Petkov <bp@alien8.de> - 2016-12-06 10:00 +0100
  [RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu caps Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
    Re: [RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu  caps Borislav Petkov <bp@alien8.de> - 2016-12-06 09:40 +0100

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