On Thu, Dec 3, 2015 at 10:22 AM, Jan Beulich wrote:
On 02.12.15 at 18:14, wrote:
>> On 02/12/15 16:46, Tim Deegan wrote:
>>> At 16:30 + on 02 Dec (1449073841), George Dunlap wrote:
On 02/12/15 16:23, Tim Deegan wrote:
> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
>
>>> On 02.12.15 at 18:14, wrote:
> On 02/12/15 16:46, Tim Deegan wrote:
>> At 16:30 + on 02 Dec (1449073841), George Dunlap wrote:
>>> On 02/12/15 16:23, Tim Deegan wrote:
At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
>> From: David Vrabel [mailto:david.vra...@citrix.com]
On 02/12/15 16:45, David Vrabel wrote:
> On 02/12/15 16:23, Tim Deegan wrote:
>> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
From: David Vrabel [mailto:david.vra...@citrix.com]
Sent: Saturday, November 14, 2015 2:50 AM
If a page is freed without translations being
On 02/12/15 16:46, Tim Deegan wrote:
> At 16:30 + on 02 Dec (1449073841), George Dunlap wrote:
>> On 02/12/15 16:23, Tim Deegan wrote:
>>> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
> From: David Vrabel [mailto:david.vra...@citrix.com]
> Sent: Saturday, November 14, 2015
On 02/12/15 16:46, Tim Deegan wrote:
> At 16:30 + on 02 Dec (1449073841), George Dunlap wrote:
>> On 02/12/15 16:23, Tim Deegan wrote:
>>> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
> From: David Vrabel [mailto:david.vra...@citrix.com]
> Sent: Saturday, November 14, 2015
At 16:30 + on 02 Dec (1449073841), George Dunlap wrote:
> On 02/12/15 16:23, Tim Deegan wrote:
> > At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
> >>> From: David Vrabel [mailto:david.vra...@citrix.com]
> >>> Sent: Saturday, November 14, 2015 2:50 AM
> >>>
> >>> If a page is freed w
On 02/12/15 16:23, Tim Deegan wrote:
> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
>>> From: David Vrabel [mailto:david.vra...@citrix.com]
>>> Sent: Saturday, November 14, 2015 2:50 AM
>>>
>>> If a page is freed without translations being invalidated, and the page is
>>> subsequently
>>> On 02.12.15 at 17:30, wrote:
> On 02/12/15 16:23, Tim Deegan wrote:
>> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
From: David Vrabel [mailto:david.vra...@citrix.com]
Sent: Saturday, November 14, 2015 2:50 AM
If a page is freed without translations being inval
On 02/12/15 16:23, Tim Deegan wrote:
> At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
>>> From: David Vrabel [mailto:david.vra...@citrix.com]
>>> Sent: Saturday, November 14, 2015 2:50 AM
>>>
>>> If a page is freed without translations being invalidated, and the page is
>>> subsequently
At 07:25 + on 02 Dec (1449041100), Tian, Kevin wrote:
> > From: David Vrabel [mailto:david.vra...@citrix.com]
> > Sent: Saturday, November 14, 2015 2:50 AM
> >
> > If a page is freed without translations being invalidated, and the page is
> > subsequently allocated to another domain, a guest w
> From: David Vrabel [mailto:david.vra...@citrix.com]
> Sent: Saturday, November 14, 2015 2:50 AM
>
> If a page is freed without translations being invalidated, and the page is
> subsequently allocated to another domain, a guest with a cached
> translation will still be able to access the page.
>
On 13/11/15 18:49, David Vrabel wrote:
> If a page is freed without translations being invalidated, and the page is
> subsequently allocated to another domain, a guest with a cached
> translation will still be able to access the page.
>
> Currently translations are invalidated before releasing the
>>> On 16.11.15 at 13:02, wrote:
> On 16/11/15 11:52, Jan Beulich wrote:
> On 13.11.15 at 19:49, wrote:
>>> @@ -2805,6 +2806,9 @@ int p2m_add_foreign(struct domain *tdom, unsigned
>>> long
> fgfn,
>>> prev_mfn = mfn_x(get_gfn(tdom, gpfn, &p2mt_prev));
>>> if ( mfn_valid(_mfn(prev_
On 16/11/15 11:52, Jan Beulich wrote:
On 13.11.15 at 19:49, wrote:
>> @@ -2805,6 +2806,9 @@ int p2m_add_foreign(struct domain *tdom, unsigned long
>> fgfn,
>> prev_mfn = mfn_x(get_gfn(tdom, gpfn, &p2mt_prev));
>> if ( mfn_valid(_mfn(prev_mfn)) )
>> {
>> +prev_page = mf
>>> On 13.11.15 at 19:49, wrote:
> @@ -2805,6 +2806,9 @@ int p2m_add_foreign(struct domain *tdom, unsigned long
> fgfn,
> prev_mfn = mfn_x(get_gfn(tdom, gpfn, &p2mt_prev));
> if ( mfn_valid(_mfn(prev_mfn)) )
> {
> +prev_page = mfn_to_page(_mfn(prev_mfn));
> +get_pag
If a page is freed without translations being invalidated, and the page is
subsequently allocated to another domain, a guest with a cached
translation will still be able to access the page.
Currently translations are invalidated before releasing the page ref, but
while still holding the mm locks.
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