On Mon, Mar 15, 2010 at 01:59:52PM +0200, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write message that shows up in dmesg.
In addition, the pte
On 16.03.2010, at 17:36, Marcelo Tosatti wrote:
On Mon, Mar 15, 2010 at 01:59:52PM +0200, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write
On Tue, Mar 16, 2010 at 07:22:55PM +0100, Alexander Graf wrote:
On 16.03.2010, at 17:36, Marcelo Tosatti wrote:
On Mon, Mar 15, 2010 at 01:59:52PM +0200, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a
On 03/16/2010 09:33 PM, Marcelo Tosatti wrote:
How relevant is this for -stable? Races don't sound good to me :)
The race mentioned above is not existant on -stable since prefetch is
disabled for invlpg.
The atomic fixes seem like a candidate, since lack of them can trigger
pagetable
On Sun, Mar 14, 2010 at 09:03:47AM +0200, Avi Kivity wrote:
On 03/10/2010 04:50 PM, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write message that
On 03/15/2010 12:16 PM, Marcelo Tosatti wrote:
On Sun, Mar 14, 2010 at 09:03:47AM +0200, Avi Kivity wrote:
On 03/10/2010 04:50 PM, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write message that shows up in dmesg.
In addition, the pte prefetch operation during invlpg suffered from a
race. This was
On 03/10/2010 04:50 PM, Avi Kivity wrote:
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write message that shows up in dmesg.
In addition, the pte prefetch operation
Currently when we emulate a locked operation into a shadowed guest page
table, we perform a write rather than a true atomic. This is indicated
by the emulating exchange as write message that shows up in dmesg.
In addition, the pte prefetch operation during invlpg suffered from a
race. This was
