[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Fwd: [xen-unstable bisection] complete test-amd64-i386-xl-qemut-ws16-amd64
Paul, >>> On 05.05.19 at 12:54, <osstest-admin@xxxxxxxxxxxxxx> wrote: > branch xen-unstable > xenbranch xen-unstable > job test-amd64-i386-xl-qemut-ws16-amd64 > testid windows-install > > Tree: linux git://xenbits.xen.org/linux-pvops.git > Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git > Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git > Tree: qemuu git://xenbits.xen.org/qemu-xen.git > Tree: xen git://xenbits.xen.org/xen.git > > *** Found and reproduced problem changeset *** > > Bug is in tree: xen git://xenbits.xen.org/xen.git > Bug introduced: 26fba3c85571354ecb1a1a3dde77fb38633515d3 > Bug not present: a85089d0ef57a08fe97864579ee055c12fd8a928 > Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/135744/ > > > commit 26fba3c85571354ecb1a1a3dde77fb38633515d3 > Author: Paul Durrant <paul.durrant@xxxxxxxxxx> > Date: Tue Mar 19 16:29:00 2019 +0100 > > viridian: add implementation of synthetic timers > > This patch introduces an implementation of the STIMER0-15_CONFIG/COUNT > MSRs > and hence a the first SynIC message source. > > The new (and documented) 'stimer' viridian enlightenment group may be > specified to enable this feature. > > While in the neighbourhood, this patch adds a missing check for an > attempt to write the time reference count MSR, which should result in an > exception (but not be reported as an unimplemented MSR). > > NOTE: It is necessary for correct operation that timer expiration and > message delivery time-stamping use the same time source as the > guest. > The specification is ambiguous but testing with a Windows 10 1803 > guest has shown that using the partition reference counter as a > source whilst the guest is using RDTSC and the reference tsc page > does not work correctly. Therefore the time_now() function is > used. > This implements the algorithm for acquiring partition reference > time > that is documented in the specifiction. > > Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx> > Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx> > Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> Just in case you've not noticed this. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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