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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Cc: paulmck@kernel.org, rcu@vger.kernel.org, urezki@gmail.com,
	uladzislau.rezki@sony.com,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Christian Brauner" <christian@brauner.io>,
	"Hridya Valsaraju" <hridya@google.com>,
	"Suren Baghdasaryan" <surenb@google.com>,
	linux-kernel@vger.kernel.org, wireguard@lists.zx2c4.com,
	"Theodore Ts'o" <tytso@mit.edu>,
	alexander.deucher@amd.com, christian.koenig@amd.com,
	Xinhui.Pan@amd.com, amd-gfx@lists.freedesktop.org
Subject: Re: CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend)
Date: Tue, 28 Jun 2022 17:13:24 +0200	[thread overview]
Message-ID: <YrsalGetwIfl8Wkw@zx2c4.com> (raw)
In-Reply-To: <1656421946.ic03168yc3.none@localhost>

Hi Alex,

On Tue, Jun 28, 2022 at 11:02:40AM -0400, Alex Xu (Hello71) wrote:
> WireGuard and random also use CONFIG_ANDROID in a similar "proxy" way as 
> rcu, there to see if suspends are "frequent". This seems dubious for the 
> same reasons.

I'd be happy to take a patch in WireGuard and random.c to get rid of the
CONFIG_ANDROID usage, if you can conduct an analysis and conclude this
won't break anything inadvertently.

Jason

WARNING: multiple messages have this Message-ID (diff)
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Cc: wireguard@lists.zx2c4.com, alexander.deucher@amd.com,
	"Todd Kjos" <tkjos@android.com>,
	paulmck@kernel.org,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	Xinhui.Pan@amd.com, linux-kernel@vger.kernel.org,
	amd-gfx@lists.freedesktop.org, christian.koenig@amd.com,
	rcu@vger.kernel.org, "Hridya Valsaraju" <hridya@google.com>,
	"Arve Hjønnevåg" <arve@android.com>,
	urezki@gmail.com, "Christian Brauner" <christian@brauner.io>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Theodore Ts'o" <tytso@mit.edu>,
	"Martijn Coenen" <maco@android.com>,
	"Suren Baghdasaryan" <surenb@google.com>,
	uladzislau.rezki@sony.com
Subject: Re: CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend)
Date: Tue, 28 Jun 2022 17:13:24 +0200	[thread overview]
Message-ID: <YrsalGetwIfl8Wkw@zx2c4.com> (raw)
In-Reply-To: <1656421946.ic03168yc3.none@localhost>

Hi Alex,

On Tue, Jun 28, 2022 at 11:02:40AM -0400, Alex Xu (Hello71) wrote:
> WireGuard and random also use CONFIG_ANDROID in a similar "proxy" way as 
> rcu, there to see if suspends are "frequent". This seems dubious for the 
> same reasons.

I'd be happy to take a patch in WireGuard and random.c to get rid of the
CONFIG_ANDROID usage, if you can conduct an analysis and conclude this
won't break anything inadvertently.

Jason

  reply	other threads:[~2022-06-28 15:13 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1656357116.rhe0mufk6a.none.ref@localhost>
2022-06-27 19:22 ` rcu_sched detected expedited stalls in amdgpu after suspend Alex Xu (Hello71)
2022-06-27 20:41   ` Paul E. McKenney
2022-06-27 20:41     ` Paul E. McKenney
     [not found]     ` <1656379893.q9yb069erk.none@localhost>
     [not found]       ` <20220628041252.GV1790663@paulmck-ThinkPad-P17-Gen-1>
2022-06-28 15:02         ` CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend) Alex Xu (Hello71)
2022-06-28 15:02           ` Alex Xu (Hello71)
2022-06-28 15:13           ` Jason A. Donenfeld [this message]
2022-06-28 15:13             ` Jason A. Donenfeld
2022-06-28 18:54           ` Paul E. McKenney
2022-06-28 18:54             ` Paul E. McKenney
2022-06-28 19:28             ` Alex Xu (Hello71)
2022-06-28 19:28               ` Alex Xu (Hello71)
2022-06-28 20:11               ` Uladzislau Rezki
2022-06-28 20:11                 ` Uladzislau Rezki
2022-07-04 11:30                 ` Christian König
2022-07-04 11:30                   ` Christian König
2022-07-06 17:48                   ` Uladzislau Rezki
2022-07-06 17:48                     ` Uladzislau Rezki
2022-07-06 17:58                     ` Paul E. McKenney
2022-07-06 17:58                       ` Paul E. McKenney
2022-07-06 18:09                       ` Uladzislau Rezki
2022-07-06 18:09                         ` Uladzislau Rezki
2022-07-06 20:42                         ` Paul E. McKenney
2022-07-06 20:42                           ` Paul E. McKenney
2022-07-07  7:30                           ` Christian König
2022-07-07  7:30                             ` Christian König
2022-07-07 13:29                             ` Paul E. McKenney
2022-07-07 13:29                               ` Paul E. McKenney

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