Re: [PATCH 4/9] KVM: define kvm_bad_pfn statically

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

 



Marcelo, Paul,

Thanks for your review!

On 08/03/2012 08:01 AM, Paul Mackerras wrote:
> On Thu, Aug 02, 2012 at 10:15:27AM -0300, Marcelo Tosatti wrote:
> 
>> Remind me what is the guarantee that -Exxx does not clash with
>> a valid pfn number?
> 
> A pfn number is an address >> PAGE_SHIFT, so it will have the top 12
> (at least) bits clear, whereas -Exxx will have the top bit set.
> 

Yes.

As this way is hard to understand and it will break huge memory support
on PAE 32bit cpu, i have used a new way in the v2:

http://marc.info/?l=linux-kernel&m=134398012027025&w=2

Please review the new version.



--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux