Re: [PATCH 1/2] KVM: X86: remove read buffer for mmio read

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

 



On 07/10/2012 01:48 PM, Gleb Natapov wrote:
> > > > 
> > > But the code is already here, why drop it?
> > 
> > The read cache is not effective for multiple disjunct reads.
> What do you mean?

If an instruction reads from several sources in mmio, then the first
read will be flushed from the cache by the second read.  So if we need a
third read, we'll have to exit for the first again.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

--
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