linux-kernel - Re: [PATCH] virt: acrn: Use vfs_poll() instead of f

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Message-ID: <714d4648-46d7-bc44-a9a2-5ce3c919897c@intel.com>
Date:   Sun, 21 Feb 2021 09:50:42 +0800
From:   "Liu, Shuo A" <shuo.a.liu@...el.com>
To:     Yejune Deng <yejune.deng@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] virt: acrn: Use vfs_poll() instead of f_op->poll()



On 2/20/2021 22:53, Yejune Deng wrote:
> Use vfs_poll() is a more advanced function in acrn_irqfd_assign().
> as the same time, modify the definition of events.
> 
> Signed-off-by: Yejune Deng <yejune.deng@...il.com>

Thanks for the update.
Reviewed-by: Shuo Liu <shuo.a.liu@...el.com>

Hi Greg,
Need i do more work on this patch?
Or you will review and apply on your tree directly?

Thanks
shuo

> ---
>  drivers/virt/acrn/irqfd.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/virt/acrn/irqfd.c b/drivers/virt/acrn/irqfd.c
> index a8766d528e29..98d6e9b18f9e 100644
> --- a/drivers/virt/acrn/irqfd.c
> +++ b/drivers/virt/acrn/irqfd.c
> @@ -112,7 +112,7 @@ static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
>  {
>  	struct eventfd_ctx *eventfd = NULL;
>  	struct hsm_irqfd *irqfd, *tmp;
> -	unsigned int events;
> +	__poll_t events;
>  	struct fd f;
>  	int ret = 0;
>  
> @@ -158,7 +158,7 @@ static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
>  	mutex_unlock(&vm->irqfds_lock);
>  
>  	/* Check the pending event in this stage */
> -	events = f.file->f_op->poll(f.file, &irqfd->pt);
> +	events = vfs_poll(f.file, &irqfd->pt);
>  
>  	if (events & POLLIN)
>  		acrn_irqfd_inject(irqfd);
>