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Re: [PATCH v2 3/3] x86/ucode: load microcode earlier on boot CPU


  • To: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 20 Dec 2022 16:18:08 +0100
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  • Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
  • Delivery-date: Tue, 20 Dec 2022 15:18:15 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 20.12.2022 15:50, Andrew Cooper wrote:
> On 19/12/2022 2:45 pm, Sergey Dyasli wrote:
>> diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
>> index 6bb5bc7c84..2d7c815e0a 100644
>> --- a/xen/arch/x86/setup.c
>> +++ b/xen/arch/x86/setup.c
>>          relocated = true;
>> @@ -1762,11 +1768,9 @@ void __init noreturn __start_xen(unsigned long mbi_p)
>>  
>>      init_IRQ();
>>  
>> -    microcode_grab_module(module_map, mbi);
>> -
>>      timer_init();
>>  
>> -    early_microcode_init();
>> +    early_microcode_init_cache(module_map, mbi);
> 
> microcode_init_cache(module_map, mbi); /* Needs xmalloc() */
> 
> Can fix on commit.

Are you merely after the added comment, or is the omission of the early_
prefix also meaningful in some way?

Jan



 


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