Messages in this thread | | | From | KY Srinivasan <> | Subject | RE: [PATCH 1/1] Drivers: hv: Bind all vmbbus interrupts to the boot CPU | Date | Fri, 18 Jan 2013 17:27:09 +0000 |
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> -----Original Message----- > From: K. Y. Srinivasan [mailto:kys@microsoft.com] > Sent: Friday, January 18, 2013 12:01 AM > To: x86@kernel.org; gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org; > devel@linuxdriverproject.org; olaf@aepfle.de; apw@canonical.com; > jasowang@redhat.com; tglx@linutronix.de > Cc: KY Srinivasan > Subject: [PATCH 1/1] Drivers: hv: Bind all vmbbus interrupts to the boot CPU > > The default interrupt delivery model in Linux does not support the Hyper-V > vmbus delivery model when the guest is configured with multiple VCPUs. I have > sent a patch to address this - delivering the vmbus interrupt on a separate > IDT vector. Until this patch is applied, bind all vmbus interrupts to the boot > CPU. > > Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> > --- > drivers/hv/channel_mgmt.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c > index c80fe62..7478ef9 100644 > --- a/drivers/hv/channel_mgmt.c > +++ b/drivers/hv/channel_mgmt.c > @@ -337,7 +337,7 @@ static u32 get_vp_index(uuid_le *type_guid) > return 0; > } > cur_cpu = (++next_vp % max_cpus); > - return hv_context.vp_index[cur_cpu]; > + return 0; > }
Greg,
Please apply this patch. This temporary restriction will be removed once the Hyper-V IDT Patch (or some variant of that) is applied.
Regards,
K. Y > > /* > -- > 1.7.4.1 > >
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