On Wed, May 12, 2021 at 10:52:09AM +0200, Auger Eric wrote: > Hi, > > On 5/12/21 10:33 AM, Marc Zyngier wrote: > > On 2021-05-12 09:19, Auger Eric wrote: > >> Hi Ricardo, > >> > >> On 5/12/21 9:27 AM, Ricardo Koller wrote: > >>> On Fri, May 07, 2021 at 04:08:07PM +0200, Auger Eric wrote: > >>>> Hi Ricardo, > >>>> > >>>> On 5/6/21 9:14 PM, Ricardo Koller wrote: > >>>>> On Thu, May 06, 2021 at 02:30:17PM +0200, Auger Eric wrote: > >>>>>> Hi Ricardo, > >>>>>> > >>>>> > >>>>> Hi Eric, > >>>>> > >>>>> Thank you very much for the test. > >>>>> > >>>>>> On 5/3/21 9:12 PM, Ricardo Koller wrote: > >>>>>>> On Mon, May 03, 2021 at 11:32:39AM +0100, Marc Zyngier wrote: > >>>>>>>> On Sat, 01 May 2021 00:24:06 +0100, > >>>>>>>> Ricardo Koller <ricarkol@xxxxxxxxxx> wrote: > >>>>>>>>> > >>>>>>>>> Add the infrastructure needed to enable exception handling in > >>>>>>>>> aarch64 > >>>>>>>>> selftests. The exception handling defaults to an > >>>>>>>>> unhandled-exception > >>>>>>>>> handler which aborts the test, just like x86. These handlers > >>>>>>>>> can be > >>>>>>>>> overridden by calling vm_install_vector_handler(vector) or > >>>>>>>>> vm_install_exception_handler(vector, ec). The unhandled exception > >>>>>>>>> reporting from the guest is done using the ucall type > >>>>>>>>> introduced in a > >>>>>>>>> previous commit, UCALL_UNHANDLED. > >>>>>>>>> > >>>>>>>>> The exception handling code is heavily inspired on kvm-unit-tests. > >>>>>> > >>>>>> running the test on 5.12 I get > >>>>>> > >>> > >>> Hi Eric, > >>> > >>> I'm able to reproduce the failure you are seeing on 5.6, specifically > >>> with kernels older than this commit: > >>> > >>> 4942dc6638b0 KVM: arm64: Write arch.mdcr_el2 changes since last > >>> vcpu_load on VHE > >>> > >>> but not yet on v5.12. Could you share the commit of the kernel you are > >>> testing, please? > >> > >> my host is a 5.12 kernel (8404c9fbc84b) > > > > Time to compare notes then. What HW are you using? Running VHE or not? > VHE yes. Cavium Sabre system. > On my side. VHE (v5.12) on both QEMU (5.2.0 cpu=max) and Ampere Altra. > Thanks > > Eric > > > > Thanks, > > > > M. >
