Re: [Xen-devel] [PATCH V4] Decouple SandyBridge quirk from VTd timeout

2014-12-04 Thread Don Dugger
On Fri, Dec 05, 2014 at 05:30:52AM +, Tian, Kevin wrote: > > From: Donald D. Dugger > > Sent: Friday, November 21, 2014 1:12 PM > > > > Currently the quirk code for SandyBridge uses the VTd timeout value when > > writing to an IGD register. This is the wrong timeout to use and, at > > 1000 ms

Re: [Xen-devel] [PATCH V4] Decouple SandyBridge quirk from VTd timeout

2014-12-04 Thread Tian, Kevin
> From: Don Dugger [mailto:n0...@n0ano.com] > Sent: Friday, December 05, 2014 2:13 PM > > On Fri, Dec 05, 2014 at 05:30:52AM +, Tian, Kevin wrote: > > > From: Donald D. Dugger > > > Sent: Friday, November 21, 2014 1:12 PM > > > > > > Currently the quirk code for SandyBridge uses the VTd timeou

Re: [Xen-devel] [PATCH V4] Decouple SandyBridge quirk from VTd timeout

2014-12-04 Thread Tian, Kevin
> From: Donald D. Dugger > Sent: Friday, November 21, 2014 1:12 PM > > Currently the quirk code for SandyBridge uses the VTd timeout value when > writing to an IGD register. This is the wrong timeout to use and, at > 1000 msec., is also much too large. This patch changes the quirk code > to use

[Xen-devel] [PATCH V4] Decouple SandyBridge quirk from VTd timeout

2014-11-20 Thread Donald D. Dugger
Currently the quirk code for SandyBridge uses the VTd timeout value when writing to an IGD register. This is the wrong timeout to use and, at 1000 msec., is also much too large. This patch changes the quirk code to use a timeout that is specific to the IGD device and allows the user control of th