search for: uobergf

..._net expected napi to be run immediately. One way to cause do_softirq to be executed is by invoking local_bh_enable(). As __napi_schedule is normally called from bh or irq context, this seems to make sense: disable bh before __napi_schedule and enable afterwards. Reported-by: Ulrich Obergfell <uobergfe at redhat.com> Tested-by: Ulrich Obergfell <uobergfe at redhat.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- To test, one can hack try_fill_recv to always report oom. I'm not sure it's not too late for 3.4, but we can try. Rusty, could you review ASAP pls?...

..._net expected napi to be run immediately. One way to cause do_softirq to be executed is by invoking local_bh_enable(). As __napi_schedule is normally called from bh or irq context, this seems to make sense: disable bh before __napi_schedule and enable afterwards. Reported-by: Ulrich Obergfell <uobergfe at redhat.com> Tested-by: Ulrich Obergfell <uobergfe at redhat.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- To test, one can hack try_fill_recv to always report oom. I'm not sure it's not too late for 3.4, but we can try. Rusty, could you review ASAP pls?...

...ing msix is disabled, it may try to notify us with an IRQ, which is totally unexpected thus will not be handled. In this case the guest hangs. Let's reset the device so that it will not generate any interrupts. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1128424 Cc: Ulrich Obergfell <uobergfe at redhat.com> Signed-off-by: Fam Zheng <famz at redhat.com> --- drivers/virtio/virtio_pci.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index d34ebfa..cd7be6f 100644 --- a/drivers/virtio/virtio_pci.c +++ b/driver...

...ing msix is disabled, it may try to notify us with an IRQ, which is totally unexpected thus will not be handled. In this case the guest hangs. Let's reset the device so that it will not generate any interrupts. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1128424 Cc: Ulrich Obergfell <uobergfe at redhat.com> Signed-off-by: Fam Zheng <famz at redhat.com> --- drivers/virtio/virtio_pci.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index d34ebfa..cd7be6f 100644 --- a/drivers/virtio/virtio_pci.c +++ b/driver...

...by devices that wish to skip disabling msi on shutdown, relying on bus master instead. We set this quirk in virtio core. Reported-by: Fam Zheng <famz at redhat.com> Cc: Bjorn Helgaas <bhelgaas at google.com> Cc: Yinghai Lu <yhlu.kernel.send at gmail.com> Cc: Ulrich Obergfell <uobergfe at redhat.com> Cc: Rusty Russell <rusty at rustcorp.com.au> Cc: "Eric W. Biederman" <ebiederm at xmission.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- changes from v6: limit changes to virtio only changes from v5: rebased on top of pci/ms...

...by devices that wish to skip disabling msi on shutdown, relying on bus master instead. We set this quirk in virtio core. Reported-by: Fam Zheng <famz at redhat.com> Cc: Bjorn Helgaas <bhelgaas at google.com> Cc: Yinghai Lu <yhlu.kernel.send at gmail.com> Cc: Ulrich Obergfell <uobergfe at redhat.com> Cc: Rusty Russell <rusty at rustcorp.com.au> Cc: "Eric W. Biederman" <ebiederm at xmission.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- changes from v6: limit changes to virtio only changes from v5: rebased on top of pci/ms...

...on bus master instead. >> >> We set this quirk in virtio core. >> >> Reported-by: Fam Zheng <famz at redhat.com> >> Cc: Bjorn Helgaas <bhelgaas at google.com> >> Cc: Yinghai Lu <yhlu.kernel.send at gmail.com> >> Cc: Ulrich Obergfell <uobergfe at redhat.com> >> Cc: Rusty Russell <rusty at rustcorp.com.au> >> Cc: "Eric W. Biederman" <ebiederm at xmission.com> >> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > > Eric, what do you think of this? You had many comments on previo...

...on bus master instead. >> >> We set this quirk in virtio core. >> >> Reported-by: Fam Zheng <famz at redhat.com> >> Cc: Bjorn Helgaas <bhelgaas at google.com> >> Cc: Yinghai Lu <yhlu.kernel.send at gmail.com> >> Cc: Ulrich Obergfell <uobergfe at redhat.com> >> Cc: Rusty Russell <rusty at rustcorp.com.au> >> Cc: "Eric W. Biederman" <ebiederm at xmission.com> >> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > > Eric, what do you think of this? You had many comments on previo...

...si on > shutdown, relying on bus master instead. > > We set this quirk in virtio core. > > Reported-by: Fam Zheng <famz at redhat.com> > Cc: Bjorn Helgaas <bhelgaas at google.com> > Cc: Yinghai Lu <yhlu.kernel.send at gmail.com> > Cc: Ulrich Obergfell <uobergfe at redhat.com> > Cc: Rusty Russell <rusty at rustcorp.com.au> > Cc: "Eric W. Biederman" <ebiederm at xmission.com> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Eric, what do you think of this? You had many comments on previous versions. Minor c...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula.braun@de.ibm.com> Uwe Kleine-Koenig...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula.braun@de.ibm.com> Uwe Kleine-Koenig...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula.braun@de.ibm.com> Uwe Kleine-Koenig...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula.braun@de.ibm.com> Uwe Kleine-Koenig...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula.braun@de.ibm.com> Uwe Kleine-Koenig...

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <braunu@de.ibm.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula....

...ical.com> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <braunu@de.ibm.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula....

...ba.co.jp> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <braunu@de.ibm.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula....

...ba.co.jp> Ugis <ugis22@gmail.com> Ulf Hansson <ulf.hansson@linaro.org> Ulf Hansson <ulf.hansson@stericsson.com> Ulisses Furquim <ulisses@profusion.mobi> Ulrich Drepper <drepper@gmail.com> Ulrich Hecht <ulrich.hecht@gmail.com> Ulrich Obergfell <uobergfe@redhat.com> Ulrich Weber <ulrich.weber@sophos.com> Uri Habusha <urih@mellanox.com> Uri Yosef <uri.y@variscite.com> Uros Bizjak <ubizjak@gmail.com> Ursula Braun <braunu@de.ibm.com> Ursula Braun <ubraun@linux.vnet.ibm.com> Ursula Braun <ursula....