Re: [PATCH v10 02/16] s390/vfio-ap: use new AP bus interface to search for queue devices

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On 21.08.20 21:56, Tony Krowiak wrote:
> This patch refactor's the vfio_ap device driver to use the AP bus's
> ap_get_qdev() function to retrieve the vfio_ap_queue struct containing
> information about a queue that is bound to the vfio_ap device driver.
> The bus's ap_get_qdev() function retrieves the queue device from a
> hashtable keyed by APQN. This is much more efficient than looping over
> the list of devices attached to the AP bus by several orders of
> magnitude.
> 
> Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>

> Reported-by: kernel test robot <lkp@xxxxxxxxx>

I think this can go. No need to mark that an earlier version of this patch had an issue.


[...]

> diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h
> index f46dde56b464..a2aa05bec718 100644
> --- a/drivers/s390/crypto/vfio_ap_private.h
> +++ b/drivers/s390/crypto/vfio_ap_private.h
> @@ -18,6 +18,7 @@
>  #include <linux/delay.h>
>  #include <linux/mutex.h>
>  #include <linux/kvm_host.h>
> +#include <linux/hashtable.h>

I dont think that this header file needs it. Any user of it will now include this. 
Can you move this include into the respective C file when the hash stuff is
used?


Other than that this looks good. 



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