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Tue, 27 Jun 2023 05:15:34 +0000 Message-ID: <2ce17a88-1bfa-7791-8f91-a8ae84bb5269@amd.com> Date: Tue, 27 Jun 2023 10:50:01 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [BUG] ASoC: Use the maple tree register cache for RealTek SoundWire CODECs Content-Language: en-US From: "Mukunda,Vijendar" To: Mark Brown Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com, oder_chiou@realtek.com, =?UTF-8?B?U2h1bWluZyBb6IyD5pu46YqYXQ==?= , Pierre-Louis Bossart , vinod.koul@linaro.org, "vkoul@kernel.org" , "Katragadda, Mastan" , "kondaveeti, Arungopal" , "Hiregoudar, Basavaraj" , "Dommati, Sunil-kumar" , Mario Limonciello , Bard Liao References: <20230609-asoc-rt-sdw-maple-v1-0-85ee50c93905@kernel.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PN3PR01CA0154.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:c8::7) To DM6PR12MB4123.namprd12.prod.outlook.com (2603:10b6:5:21f::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR12MB4123:EE_|BL1PR12MB5077:EE_ X-MS-Office365-Filtering-Correlation-Id: f09b08cc-038f-431f-a3c1-08db76cd88f1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 26/06/23 20:09, Mukunda,Vijendar wrote: > On 26/06/23 18:59, Mark Brown wrote: >> On Mon, Jun 26, 2023 at 07:00:31PM +0530, Mukunda,Vijendar wrote: >> >>> With cache type changing to maple tree for SoundWire Codec patch series, we are observing >>> rcu warnings with AMD SoundWire stack. >> Do you you have 0cc6578048e0980 ("regmap: maple: Drop the RCU read lock >> while syncing registers") in your tree when testing? > We have tested with ASoC tree for-next branch code. > This patch is not included in our tree while testing. > > We will verify with the patch and let you know our findings. After inclusion of above-mentioned patch, we are no longer observing rcu warnings. Thanks, Vijendar >>> Below are the pastebin links for rcu warnings dmesg logs. >>> https://pastebin.com/6sadwNCw >> Please include at least some of the actual warning in your emails so >> they are directly readable.