linux-kernel - Re: [PATCH v2 1/8] Revert "binder: switch alloc->mutex to spinlock

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Message-ID: <2024110742-setup-clothing-44b8@gregkh>
Date: Thu, 7 Nov 2024 09:56:16 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Carlos Llamas <cmllamas@...gle.com>
Cc: Arve Hjønnevåg <arve@...roid.com>,
	Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Christian Brauner <brauner@...nel.org>,
	Suren Baghdasaryan <surenb@...gle.com>,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	Mukesh Ojha <quic_mojha@...cinc.com>
Subject: Re: [PATCH v2 1/8] Revert "binder: switch alloc->mutex to spinlock_t"

On Thu, Nov 07, 2024 at 04:02:23AM +0000, Carlos Llamas wrote:
> This reverts commit 7710e2cca32e7f3958480e8bd44f50e29d0c2509.
> 
> In preparation for concurrent page installations, restore the original
> alloc->mutex which will serialize zap_page_range_single() against page
> installations in subsequent patches (instead of the mmap_sem).
> 
> Cc: Mukesh Ojha <quic_mojha@...cinc.com>
> [cmllamas: fix trivial conflict due to 2c10a20f5e84a]

Nit, commits have the full name in them as well, not just the sha1 one,
i.e.:
	2c10a20f5e84 ("binder_alloc: Fix sleeping function called from invalid context")

thanks,

greg k-h