[PATCH v12 11/24] virt: geniezone: Add ioeventfd support

Simon Horman horms at kernel.org
Wed Jul 31 01:57:39 PDT 2024


On Tue, Jul 30, 2024 at 04:24:23PM +0800, Liju-clr Chen wrote:
> From: Yingshiuan Pan <yingshiuan.pan at mediatek.com>
> 
> Ioeventfd leverages eventfd to provide asynchronous notification
> mechanism for VMM. VMM can register a mmio address and bind with an
> eventfd. Once a mmio trap occurs on this registered region, its
> corresponding eventfd will be notified.
> 
> Signed-off-by: Yingshiuan Pan <yingshiuan.pan at mediatek.com>
> Signed-off-by: Yi-De Wu <yi-de.wu at mediatek.com>
> Signed-off-by: Liju Chen <liju-clr.chen at mediatek.com>

...

> diff --git a/drivers/virt/geniezone/gzvm_ioeventfd.c b/drivers/virt/geniezone/gzvm_ioeventfd.c

...

> +/**
> + * ioeventfd_check_collision() - Check collison assumes gzvm->ioevent_lock held.

nit: collision

     Likewise elsewhere in this patch.

     Flagged by checkpatch.pl --codespell

> + * @gzvm: Pointer to gzvm.
> + * @p: Pointer to gzvm_ioevent.
> + *
> + * Return:
> + * * true			- collison found
> + * * false			- no collison
> + */

...



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