On Tue, Dec 09, 2014 at 06:01:54PM +0100, Roger Pau Monné wrote:
> El 08/12/14 a les 10.12, Jan Beulich ha escrit:
> > PVH guests accessing I/O ports via string ops is not supported yet.
> >
> > Reported-by: Roger Pau Monné
> > Signed-off-by: Jan Beulich
>
> This looks fine to me (at least it do
>>> On 09.12.14 at 18:49, wrote:
> El 09/12/14 a les 18.19, Jan Beulich ha escrit:
> On 09.12.14 at 18:01, wrote:
>>> For 4.6 I think we need to start using a different hvm_io_bitmap for PVH
>>> Dom0 that allows direct access to the IO ports, bypassing the vmexit and
>>> simplifying the code
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: Monday, December 08, 2014 5:13 PM
>
> PVH guests accessing I/O ports via string ops is not supported yet.
>
> Reported-by: Roger Pau Monné
> Signed-off-by: Jan Beulich
Acked-by: Kevin Tian
> ---
> v2: handle_pio() is already safe (pointed
El 09/12/14 a les 18.19, Jan Beulich ha escrit:
On 09.12.14 at 18:01, wrote:
>> For 4.6 I think we need to start using a different hvm_io_bitmap for PVH
>> Dom0 that allows direct access to the IO ports, bypassing the vmexit and
>> simplifying the code in Xen (this would also fix INS/OUTS). S
>>> On 09.12.14 at 18:01, wrote:
> For 4.6 I think we need to start using a different hvm_io_bitmap for PVH
> Dom0 that allows direct access to the IO ports, bypassing the vmexit and
> simplifying the code in Xen (this would also fix INS/OUTS). Still not
> sure what should be done for PVH DomUs, s
El 08/12/14 a les 10.12, Jan Beulich ha escrit:
> PVH guests accessing I/O ports via string ops is not supported yet.
>
> Reported-by: Roger Pau Monné
> Signed-off-by: Jan Beulich
This looks fine to me (at least it doesn't break the existing IN/OUT
users), and seems the best solution 4.5 wise:
On Mon, 08 Dec 2014 09:12:37 +
"Jan Beulich" wrote:
> PVH guests accessing I/O ports via string ops is not supported yet.
>
> Reported-by: Roger Pau Monné
> Signed-off-by: Jan Beulich
> ---
> v2: handle_pio() is already safe (pointed out by Mukesh), so only
> refuse entering handle_mmio().
PVH guests accessing I/O ports via string ops is not supported yet.
Reported-by: Roger Pau Monné
Signed-off-by: Jan Beulich
---
v2: handle_pio() is already safe (pointed out by Mukesh), so only refuse
entering handle_mmio().
Note: Only compile tested so far.
--- unstable.orig/xen/arch/x86/hv
