From: Peter Zijlstra <peterz@infradead.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Amit Sunil Dhamne <amitsd@google.com>
Subject: Re: [PATCH v2 0/3] Fix a lockdep complaint related to USB role switching
Date: Fri, 6 Sep 2024 11:13:08 +0200 [thread overview]
Message-ID: <20240906091308.GV4723@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20240905204709.556577-1-bvanassche@acm.org>
On Thu, Sep 05, 2024 at 01:47:06PM -0700, Bart Van Assche wrote:
> Hi Greg,
>
> This patch series suppresses a lockdep complaint about recursive locking
> that is triggered by switching USB roles. Please consider this patch series
> for the next merge window.
>
> Thanks,
>
> Bart.
>
> Changes compared to v1:
> - Added two patches. One that combines the two mutex_init() definitions and
> another patch that introduces mutex_init_with_key().
> - Changed patch 3/3 such that it uses mutex_init_with_key(). Added Amit's
> Signed-off-by.
>
> Bart Van Assche (3):
> locking/mutex: Define mutex_init() once
> locking/mutex: Introduce mutex_init_with_key()
> usb: roles: Fix a false positive recursive locking complaint
>
> drivers/usb/roles/class.c | 6 +++++-
> include/linux/mutex.h | 19 ++++++++++++-------
> 2 files changed, 17 insertions(+), 8 deletions(-)
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
next prev parent reply other threads:[~2024-09-06 9:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-05 20:47 [PATCH v2 0/3] Fix a lockdep complaint related to USB role switching Bart Van Assche
2024-09-05 20:47 ` [PATCH v2 1/3] locking/mutex: Define mutex_init() once Bart Van Assche
2024-09-05 20:51 ` Andy Shevchenko
2024-09-05 20:47 ` [PATCH v2 2/3] locking/mutex: Introduce mutex_init_with_key() Bart Van Assche
2024-09-05 20:52 ` Andy Shevchenko
2024-09-05 20:47 ` [PATCH v2 3/3] usb: roles: Fix a false positive recursive locking complaint Bart Van Assche
2024-09-05 20:54 ` Andy Shevchenko
2024-09-05 21:18 ` Bart Van Assche
2024-09-06 9:13 ` Peter Zijlstra [this message]
2024-09-11 13:41 ` [PATCH v2 0/3] Fix a lockdep complaint related to USB role switching Greg Kroah-Hartman
2024-09-11 18:03 ` Bart Van Assche
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