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Donenfeld" To: "Alex Xu (Hello71)" Cc: paulmck@kernel.org, rcu@vger.kernel.org, urezki@gmail.com, uladzislau.rezki@sony.com, Greg Kroah-Hartman , Arve =?utf-8?B?SGrDuG5uZXbDpWc=?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Hridya Valsaraju , Suren Baghdasaryan , linux-kernel@vger.kernel.org, wireguard@lists.zx2c4.com, Theodore Ts'o , 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) Message-ID: References: <1656357116.rhe0mufk6a.none.ref@localhost> <1656357116.rhe0mufk6a.none@localhost> <20220627204139.GL1790663@paulmck-ThinkPad-P17-Gen-1> <1656379893.q9yb069erk.none@localhost> <20220628041252.GV1790663@paulmck-ThinkPad-P17-Gen-1> <1656421946.ic03168yc3.none@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1656421946.ic03168yc3.none@localhost> X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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