linux-kernel - Re: [PATCH 5/8] usb: core: hcd: Convert from tasklet to BH workqueue

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Date: Tue, 30 Jan 2024 08:38:16 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Tejun Heo <tj@...nel.org>
Cc: torvalds@...ux-foundation.org, mpatocka@...hat.com,
	linux-kernel@...r.kernel.org, dm-devel@...ts.linux.dev,
	msnitzer@...hat.com, ignat@...udflare.com, damien.lemoal@....com,
	bob.liu@...cle.com, houtao1@...wei.com, peterz@...radead.org,
	mingo@...nel.org, netdev@...r.kernel.org, allen.lkml@...il.com,
	kernel-team@...a.com, Alan Stern <stern@...land.harvard.edu>,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH 5/8] usb: core: hcd: Convert from tasklet to BH workqueue

On Mon, Jan 29, 2024 at 11:11:52PM -1000, Tejun Heo wrote:
> The only generic interface to execute asynchronously in the BH context is
> tasklet; however, it's marked deprecated and has some design flaws. To
> replace tasklets, BH workqueue support was recently added. A BH workqueue
> behaves similarly to regular workqueues except that the queued work items
> are executed in the BH context.
> 
> This patch converts usb hcd from tasklet to BH workqueue.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Alan Stern <stern@...land.harvard.edu>
> Cc: linux-usb@...r.kernel.org
> ---
>  drivers/usb/core/hcd.c  | 23 ++++++++++++-----------
>  include/linux/usb/hcd.h |  2 +-
>  2 files changed, 13 insertions(+), 12 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>