linux-kernel - Re: [PATCH v2 3/5] hisi_acc_vfio_pci: Remove useless function parameter

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Date:   Sat, 24 Sep 2022 09:45:41 +0800
From:   liulongfang <liulongfang@...wei.com>
To:     Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "jgg@...dia.com" <jgg@...dia.com>
CC:     "cohuck@...hat.com" <cohuck@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linuxarm@...neuler.org" <linuxarm@...neuler.org>
Subject: Re: [PATCH v2 3/5] hisi_acc_vfio_pci: Remove useless function
 parameter

On 2022/9/23 18:30, Shameerali Kolothum Thodi wrote:
> 
> 
>> -----Original Message-----
>> From: liulongfang
>> Sent: 22 September 2022 09:39
>> To: alex.williamson@...hat.com; jgg@...dia.com; Shameerali Kolothum
>> Thodi <shameerali.kolothum.thodi@...wei.com>
>> Cc: cohuck@...hat.com; linux-kernel@...r.kernel.org;
>> linuxarm@...neuler.org; liulongfang <liulongfang@...wei.com>
>> Subject: [PATCH v2 3/5] hisi_acc_vfio_pci: Remove useless function
>> parameter
>>
>> Remove unused function parameters for vf_qm_fun_reset() and
>> ensure the device is enabled before the reset operation
>> is performed.
>>
>> Signed-off-by: Longfang Liu <liulongfang@...wei.com>
> 
> Hi Longfang,
> 
> This one seems to have a merge conflict on top of vfio/next branch.
> May be better to rebase and send a v3 picking up Jason's R-by as well?
> 

I merged this patchset to the latest tag version vfio-v6.0-rc5 of the
vfio/next branch, and there is no merge conflict.

Which patchset do you refer to as "Jason's R-by"? Can you provide the
title of this patchset?

> Thanks,
> Shameer
> 
>> ---
>>  drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 8 +++++---
>>  1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
>> b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
>> index 0638a8a6b0c1..24c03ff41502 100644
>> --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
>> +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
>> @@ -345,8 +345,7 @@ static struct hisi_acc_vf_core_device
>> *hssi_acc_drvdata(struct pci_dev *pdev)
>>  			    core_device);
>>  }
>>
>> -static void vf_qm_fun_reset(struct hisi_acc_vf_core_device *hisi_acc_vdev,
>> -			    struct hisi_qm *qm)
>> +static void vf_qm_fun_reset(struct hisi_qm *qm)
>>  {
>>  	int i;
>>
>> @@ -662,7 +661,10 @@ static void hisi_acc_vf_start_device(struct
>> hisi_acc_vf_core_device *hisi_acc_vd
>>  	if (hisi_acc_vdev->vf_qm_state != QM_READY)
>>  		return;
>>
>> -	vf_qm_fun_reset(hisi_acc_vdev, vf_qm);
>> +	/* Make sure the device is enabled */
>> +	qm_dev_cmd_init(vf_qm);
>> +
>> +	vf_qm_fun_reset(vf_qm);
>>  }
>>
>>  static int hisi_acc_vf_load_state(struct hisi_acc_vf_core_device
>> *hisi_acc_vdev)
>> --
>> 2.33.0
> 
> .
>