linux-kernel - Re: [PATCH v6 3/4] kvm: arm64: set io memory s2 pte as normalnc for vfio pci device

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Date: Fri, 9 Feb 2024 14:05:32 +0000
From: Ankit Agrawal <ankita@...dia.com>
To: Catalin Marinas <catalin.marinas@....com>
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Subject: Re: [PATCH v6 3/4] kvm: arm64: set io memory s2 pte as normalnc for
 vfio pci device

>> +		/*
>> +		 * To provide VM with the ability to get device IO memory
>> +		 * with NormalNC property, map device MMIO as NormalNC in S2.
>> +		 */
>
> nit: the comment doesn't provide anything of value, the logic is rather
> straightforward here.

Sure, will remove it.

>>
>> +     vfio_allow_wc = (vma->vm_flags & VM_VFIO_ALLOW_WC);
>
> Nitpick: no need for brackets, '=' has a pretty low precedence.
> 
> Reviewed-by: Catalin Marinas <catalin.marinas@....com>

Will change it. Thanks for the review.