Andrew Cooper writes:
> On 03/07/2020 18:10, Andy Lutomirski wrote:
>> If you can't get this fixed in upstream Xen reasonably quickly, we may
>> need to disable FSGSBASE in a Xen PV guest in Linux.
>
> This has come up several times before, but if its actually breaking
> userspace then Xen needs t
On 03/07/2020 18:10, Andy Lutomirski wrote:
> Hi Xen folks-
>
> I did some testing of the upcoming Linux FSGSBASE support on Xen PV,
> and I found what appears to be some significant bugs in the Xen
> context switching code. These bugs are causing Linux selftest
> failures, and they could easily c
Hi Xen folks-
I did some testing of the upcoming Linux FSGSBASE support on Xen PV,
and I found what appears to be some significant bugs in the Xen
context switching code. These bugs are causing Linux selftest
failures, and they could easily cause random and hard-to-debug
failures of user programs
