Re: [PATCH 7/8] KVM: Add page map arch callback

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 08/07/2012 04:44 PM, Alexander Graf wrote:
> 
>> 
>> Is this the correct place?  Who says the caller of hva_to_pfn() is going
>> to map it?
> 
> I don't think anyone is. However, we need the struct page, and all the generic kvm mm code tries hard to hide it from its users. The alternative would be to expose all those details, and I'm not sure that's a good idea.
> 
> Essentially, we don't care if we're overly cautious. Clearing one page too much is way better than clearing one too few.

Are you sure everyone uses hva_to_pfn()?  x86 uses gfn_to_hva_many(), in
one place.



-- 
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM Development]     [KVM ARM]     [KVM ia64]     [Linux Virtualization]     [Linux USB Devel]     [Linux Video]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux