Greg, Can this patch go in now. I checked Linus' tree and it looks like all the needed patches are all checked in. Regards, K. Y > -----Original Message----- > From: K. Y. Srinivasan [mailto:kys@xxxxxxxxxxxxx] > Sent: Sunday, February 17, 2013 2:31 PM > To: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; > jasowang@xxxxxxxxxx; hpa@xxxxxxxxx > Cc: KY Srinivasan > Subject: [PATCH 1/1] Drivers: hv: vmbus: Use the new infrastructure for > delivering VMBUS interrupts > > Use the infrastructure for delivering VMBUS interrupts using a > special vector. With this patch, we can now properly handle > the VMBUS interrupts that can be delivered on any CPU. Also, > turn on interrupt load balancing as well. > > This patch requires the infrastructure that was implemented in the patch: > X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts > > Greg, Please apply this patch after 3.9-rc1. > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > --- > drivers/hv/channel_mgmt.c | 2 +- > drivers/hv/hv.c | 5 ++--- > drivers/hv/vmbus_drv.c | 11 +++++++---- > 3 files changed, 10 insertions(+), 8 deletions(-) > > diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c > index 53a8600..ff1be16 100644 > --- a/drivers/hv/channel_mgmt.c > +++ b/drivers/hv/channel_mgmt.c > @@ -318,7 +318,7 @@ static u32 get_vp_index(uuid_le *type_guid) > return 0; > } > cur_cpu = (++next_vp % max_cpus); > - return 0; > + return cur_cpu; > } > > /* > diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c > index 1c5481d..7311589 100644 > --- a/drivers/hv/hv.c > +++ b/drivers/hv/hv.c > @@ -272,7 +272,7 @@ u16 hv_signal_event(void *con_id) > * retrieve the initialized message and event pages. Otherwise, we create and > * initialize the message and event pages. > */ > -void hv_synic_init(void *irqarg) > +void hv_synic_init(void *arg) > { > u64 version; > union hv_synic_simp simp; > @@ -281,7 +281,6 @@ void hv_synic_init(void *irqarg) > union hv_synic_scontrol sctrl; > u64 vp_index; > > - u32 irq_vector = *((u32 *)(irqarg)); > int cpu = smp_processor_id(); > > if (!hv_context.hypercall_page) > @@ -335,7 +334,7 @@ void hv_synic_init(void *irqarg) > rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, > shared_sint.as_uint64); > > shared_sint.as_uint64 = 0; > - shared_sint.vector = irq_vector; /* HV_SHARED_SINT_IDT_VECTOR + > 0x20; */ > + shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR; > shared_sint.masked = false; > shared_sint.auto_eoi = true; > > diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c > index cf19dfa..bf421e0 100644 > --- a/drivers/hv/vmbus_drv.c > +++ b/drivers/hv/vmbus_drv.c > @@ -36,6 +36,7 @@ > #include <linux/kernel_stat.h> > #include <asm/hyperv.h> > #include <asm/hypervisor.h> > +#include <asm/mshyperv.h> > #include "hyperv_vmbus.h" > > > @@ -528,7 +529,6 @@ static void vmbus_flow_handler(unsigned int irq, struct > irq_desc *desc) > static int vmbus_bus_init(int irq) > { > int ret; > - unsigned int vector; > > /* Hypervisor initialization...setup hypercall page..etc */ > ret = hv_init(); > @@ -558,13 +558,16 @@ static int vmbus_bus_init(int irq) > */ > irq_set_handler(irq, vmbus_flow_handler); > > - vector = IRQ0_VECTOR + irq; > + /* > + * Register our interrupt handler. > + */ > + hv_register_vmbus_handler(irq, vmbus_isr); > > /* > - * Notify the hypervisor of our irq and > + * Initialize the per-cpu interrupt state and > * connect to the host. > */ > - on_each_cpu(hv_synic_init, (void *)&vector, 1); > + on_each_cpu(hv_synic_init, NULL, 1); > ret = vmbus_connect(); > if (ret) > goto err_irq; > -- > 1.7.4.1 > > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
