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Re: [PATCH v2 3/3] mini-os: mm: convert set_readonly() to use walk_pt()


  • To: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 20 Aug 2024 14:53:36 +0200
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  • Cc: minios-devel@xxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 20 Aug 2024 12:53:42 +0000
  • List-id: Mini-os development list <minios-devel.lists.xenproject.org>

On 20.08.2024 13:57, Samuel Thibault wrote:
> Juergen Gross, le mar. 13 août 2024 15:41:58 +0200, a ecrit:
>> +    if ( ro->count == L1_PAGETABLE_ENTRIES )
>> +    {
>> +         ro->count = 0;
>> +         if ( HYPERVISOR_mmu_update(mmu_updates, ro->count, NULL,
>> +                                    DOMID_SELF) < 0 )
> 
> You need to set ro->count *after* calling mmu_update.

Happy to move the line while committing, so long as Jürgen agrees.

Jan

> Apart from this, 
> 
> Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
> 
> Samuel
> 




 


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