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virtio: console as a config option

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I also added a small Kconfig change that allows the user to specify the
virtio console in menuconfig.

(Fixes to export symbols from Stephen Rothwell <sfr@canb.auug.org.au>)
(Fixes for CONFIG_VIRTIO_CONSOLE=y vs CONFIG_VIRTIO=m from Christian himself)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Christian Borntraeger 2008-07-25 12:06:06 -05:00 committed by Rusty Russell
parent 91fcad19d0
commit 7721c494a2
2 changed files with 9 additions and 1 deletions
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6
drivers/char/Kconfig
View File

@ -624,8 +624,12 @@ config HVC_XEN
Xen virtual console device driver
config VIRTIO_CONSOLE
bool
tristate "Virtio console"
depends on VIRTIO
select HVC_DRIVER
help
Virtio console for use with lguest and other hypervisors.
config HVCS
tristate "IBM Hypervisor Virtual Console Server support"

4
drivers/char/hvc_console.c
View File

@ -280,6 +280,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops)
return 0;
}
EXPORT_SYMBOL_GPL(hvc_instantiate);
/* Wake the sleeping khvcd */
void hvc_kick(void)
@ -287,6 +288,7 @@ void hvc_kick(void)
hvc_kicked = 1;
wake_up_process(hvc_task);
}
EXPORT_SYMBOL_GPL(hvc_kick);
static void hvc_unthrottle(struct tty_struct *tty)
{
@ -629,6 +631,7 @@ int hvc_poll(struct hvc_struct *hp)
return poll_mask;
}
EXPORT_SYMBOL_GPL(hvc_poll);
/*
* This kthread is either polling or interrupt driven. This is determined by
@ -739,6 +742,7 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data,
return hp;
}
EXPORT_SYMBOL_GPL(hvc_alloc);
int __devexit hvc_remove(struct hvc_struct *hp)
{