Re: [PATCH v3 1/1] Shared memory uio_pci driver

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

 



On Thu, Mar 25, 2010 at 11:40:09AM +0200, Avi Kivity wrote:
> On 03/25/2010 11:15 AM, Michael S. Tsirkin wrote:
>>
>> - Why are you using 32 bit long memory accesses for interrupts?
>>    16 bit IO eould be enough and it's faster. This what virtio-pci does.
>>
>>    
>
> Why is 16 bit io faster?

Something to do with need for emulation to get address/data
for pci memory accesses?

> -- 
> error compiling committee.c: too many arguments to function
--
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