Re: [RFC PATCH] emulator: Fix task switch into/out of VM86

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

 



On Mon, Jan 16, 2012 at 04:37:33PM +0100, Kevin Wolf wrote:
> Am 10.01.2012 18:51, schrieb Joerg Roedel:
> >> Joerg, do you know how can we check that task switch was cause by an
> >> exception triggering task gate if exit_int_info is not provided during
> >> intercept (short of decoding instruction that caused intercept to see if
> >> it's a call to a gate, which is racy) ?
> > 
> > Hmm, havn't found a solution yet. But I will check further and let you
> > know if I find out something.
> 
> Jörg, any news on this?

Not yet. We are currently trying to figure out which priviledge checks
the software has to do and which ones are done by the hardware before a
task-switch intercept is thrown.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632

--
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