linux-kernel - Re: [PATCH v5 02/14] dmaengine: idxd: add IMS detection in base driver

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Message-ID: <412e40cc-3982-7301-661f-eb57a4a9144c@intel.com>
Date:   Wed, 10 Feb 2021 16:32:24 -0700
From:   Dave Jiang <dave.jiang@...el.com>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     alex.williamson@...hat.com, kwankhede@...dia.com,
        tglx@...utronix.de, vkoul@...nel.org, megha.dey@...el.com,
        jacob.jun.pan@...el.com, ashok.raj@...el.com, yi.l.liu@...el.com,
        baolu.lu@...el.com, kevin.tian@...el.com, sanjay.k.kumar@...el.com,
        tony.luck@...el.com, dan.j.williams@...el.com,
        eric.auger@...hat.com, parav@...lanox.com, netanelg@...lanox.com,
        shahafs@...lanox.com, pbonzini@...hat.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH v5 02/14] dmaengine: idxd: add IMS detection in base
 driver


On 2/10/2021 4:30 PM, Jason Gunthorpe wrote:
> On Fri, Feb 05, 2021 at 01:53:05PM -0700, Dave Jiang wrote:
>
>> diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c
>> index 21c1e23cdf23..ab5c76e1226b 100644
>> +++ b/drivers/dma/idxd/sysfs.c
>> @@ -1444,6 +1444,14 @@ static ssize_t numa_node_show(struct device *dev,
>>   }
>>   static DEVICE_ATTR_RO(numa_node);
>>   
>> +static ssize_t ims_size_show(struct device *dev, struct device_attribute *attr, char *buf)
>> +{
>> +	struct idxd_device *idxd = container_of(dev, struct idxd_device, conf_dev);
>> +
>> +	return sprintf(buf, "%u\n", idxd->ims_size);
>> +}
> use sysfs_emit for all new sysfs functions please

Will fix. Thanks!


>
> Jason