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Message-ID: <d9bad7c2-14d7-7f06-da50-81069853babd@intel.com>
Date: Tue, 9 May 2023 10:48:57 -0700
From: Fenghua Yu <fenghua.yu@...el.com>
To: Tom Zanussi <tom.zanussi@...ux.intel.com>,
<herbert@...dor.apana.org.au>, <davem@...emloft.net>,
<vkoul@...nel.org>
CC: <dave.jiang@...el.com>, <tony.luck@...el.com>,
<wajdi.k.feghali@...el.com>, <james.guilford@...el.com>,
<kanchana.p.sridhar@...el.com>, <giovanni.cabiddu@...el.com>,
<linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
<dmaengine@...r.kernel.org>
Subject: Re: [PATCH v4 01/15] dmaengine: idxd: add wq driver name support for
accel-config user tool
Hi, Tom,
On 5/8/23 13:07, Tom Zanussi wrote:
> From: Dave Jiang <dave.jiang@...el.com>
>
> With the possibility of multiple wq drivers that can be bound to the wq,
> the user config tool accel-config needs a way to know which wq driver to
> bind to the wq. Introduce per wq driver_name sysfs attribute where the user
> can indicate the driver to be bound to the wq. This allows accel-config to
> just bind to the driver using wq->driver_name.
>
> Signed-off-by: Dave Jiang <dave.jiang@...el.com>
> Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
> ---
> .../ABI/stable/sysfs-driver-dma-idxd | 6 ++++
> drivers/dma/idxd/cdev.c | 8 ++++++
> drivers/dma/idxd/dma.c | 6 ++++
> drivers/dma/idxd/idxd.h | 9 ++++++
> drivers/dma/idxd/sysfs.c | 28 +++++++++++++++++++
> include/uapi/linux/idxd.h | 1 +
> 6 files changed, 58 insertions(+)
>
> diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
> index 3becc9a82bdf..d5daae442fe7 100644
> --- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
> +++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
> @@ -244,6 +244,12 @@ Description: Shows the operation capability bits displayed in bitmap format
> correlates to the operations allowed. It's visible only
> on platforms that support the capability.
>
> +What: /sys/bus/dsa/devices/wq<m>.<n>/driver_name
> +Date: Mar 27, 2023 > +KernelVersion: 6.4.0
Need to be changed to 6.5.0 now:)
After fixing the KernelVersion,
Reviewed-by: Fenghua Yu <fenghua.yu@...el.com>
Thanks.
-Fenghua
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