From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xen.org>
Subject: Re: [PATCH] x86/ucode: don't crash during AP bringup on
 non-Intel, non-AMD CPUs
Date: Thu, 16 Aug 2012 16:28:49 +0100
Message-ID: <CC52D041.4973A%keir@xen.org>
References: <502D2C3A0200007800095918@nat28.tlf.novell.com>
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To: Jan Beulich <JBeulich@suse.com>, xen-devel <xen-devel@lists.xen.org>
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On 16/08/2012 16:22, "Jan Beulich" <JBeulich@suse.com> wrote:

> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Do we support any such processors? Newer VIA processors maybe?

Anyhow,
Acked-by: Keir Fraser <keir@xen.org>

> --- a/xen/arch/x86/microcode.c
> +++ b/xen/arch/x86/microcode.c
> @@ -109,6 +109,9 @@ int microcode_resume_cpu(int cpu)
>      struct cpu_signature nsig;
>      unsigned int cpu2;
>  
> +    if ( !microcode_ops )
> +        return 0;
> +
>      spin_lock(&microcode_mutex);
>  
>      err = microcode_ops->collect_cpu_info(cpu, &uci->cpu_sig);
> 
> 
> 
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