linux-kernel - RE: [PATCH v6 0/2] uio_hv_generic: Fix ring buffer sysfs creation path

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Message-ID:
 <SN6PR02MB415788B8A1C18603497A9653D4852@SN6PR02MB4157.namprd02.prod.outlook.com>
Date: Thu, 24 Apr 2025 13:48:38 +0000
From: Michael Kelley <mhklinux@...look.com>
To: Naman Jain <namjain@...ux.microsoft.com>, "K . Y . Srinivasan"
	<kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu
	<wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>, Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>, Stephen Hemminger <stephen@...workplumber.org>
CC: "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...nel.org" <stable@...nel.org>, Saurabh Sengar
	<ssengar@...ux.microsoft.com>
Subject: RE: [PATCH v6 0/2] uio_hv_generic: Fix ring buffer sysfs creation
 path

From: Naman Jain <namjain@...ux.microsoft.com> Sent: Wednesday, April 23, 2025 10:35 PM
> 
> Hi,
> This patch series aims to address the sysfs creation issue for the ring
> buffer by reorganizing the code. Additionally, it updates the ring sysfs
> size to accurately reflect the actual ring buffer size, rather than a
> fixed static value.
> 
> PFB change logs:
> 
> Changes since v5:
> https://lore.kernel.org/all/20250415164452.170239-1-namjain@linux.microsoft.com/
> * Added Reviewed-By tags from Dexuan. Also, addressed minor comments in
>   commit msg of both patches.
> * Missed to remove check for "primary_channel->device_obj->channels_kset" in
>   hv_create_ring_sysfs in earlier patch, as suggested by Michael. Did it
>   now.

Ah, OK :-) I thought you had decided to leave the test in, and I wasn't going to
argue further, as it didn't hurt anything. But the test is superfluous, so the
code is better without it. It won't mislead a future someone into thinking
that it solves a synchronization problem.

Michael

> * Changed type for declaring bin_attrs due to changes introduced by
>   commit 9bec944506fa ("sysfs: constify attribute_group::bin_attrs") which
>   merged recently. Did not use bin_attrs_new since another change is in
>   the queue to change usage of bin_attrs_new to bin_attrs
>   (sysfs: finalize the constification of 'struct bin_attribute').
>