[Xen-devel] Error while binding VIRQ to IRQ_HANDLER

["Srujan D. Kotikela" <ksrujandas@xxxxxxxxx>]

Hi,

I wrote a kernel module for handling a custom VIRQ. It is compiling fine, but when I try to do modprobe  it's giving me the following error:

FATAL: Error inserting vbase (/lib/modules/2.6.18.8/kernel/drivers/xen/vbase/vbase.ko): Unknown symbol in module, or unknown parameter (see dmesg)

The output of dmesg is as follows:

vbase: Unknown symbol bind_virq_to_irqhandler

The module code is as follows:

 

static irqreturn_t vbase_handler (int irq, void *dummy, struct pt_regs *regs)

{

        printk("\nVBASE: XEN Notification Received");

        return IRQ_HANDLED;

}

int init_module(void)

{

        int err;

        printk("\nVBASE: vbase_test module called");

        /* *

* Bind the VIRQ_VBASE to an IRQ handler

         * parameters for the following function are:

         * VIRQ, CPU#, IRQ_HANDLER, IRQ_FLAGS, DEV_NAME, DEV_ID

         **/

        err = bind_virq_to_irqhandler(11, 0, vbase_handler, 0, "VBASE", NULL);

        if (err < 0){

                printk("\nVBASE: Could not bind VIRQ<->IRQ_HANDLER");

        }

        return 0;

}

void cleanup_module(void)

{

        printk("\nVBASE: vbase_test module cleaned up");

        return;

}

--
Srujan D. Kotikela

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