Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7;
Message-ID: <de56ddad-ee57-4ff0-b384-522c05e88c91@amd.com>
Date:   Fri, 27 Oct 2023 14:29:24 -0500
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v2 0/2] Fixes for s3 with parallel bootup
Content-Language: en-US
To:     Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@kernel.org>
Cc:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Ian Rogers <irogers@google.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
        David Woodhouse <dwmw@amazon.co.uk>,
        Sandipan Das <sandipan.das@amd.com>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-perf-users@vger.kernel.org>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-kernel@vger.kernel.org>,
        "open list:SUSPEND TO RAM" <linux-pm@vger.kernel.org>,
        "open list:ACPI" <linux-acpi@vger.kernel.org>
References: <20231026170330.4657-1-mario.limonciello@amd.com>
 <87zg0327i4.ffs@tglx>
From:   Mario Limonciello <mario.limonciello@amd.com>
In-Reply-To: <87zg0327i4.ffs@tglx>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?QXE1RGRmaXB0eERRWEU0djhiL3JMRWFXV09GLzlzSUwzMS9uWDhuVkNOTWV1?=
 =?utf-8?B?U1pXT0tVd2dJaW00aFZsQmpNbnJBQTcxUUIwNGRuMVJmYTR0UkZXMkhwT0FY?=
 =?utf-8?B?V1E2UmxhOEFKQkdoOEd5aU14U2M4Z05GZmNvZlAzMEJWWkxwdTBQYjRYWDQ3?=
 =?utf-8?B?Q0ZTRUlBS0VSdFoxbkltZkhPL2VTYnJYdUo0dHA2dElvQS8wR1FicHBHNXE4?=
 =?utf-8?B?Y1hQdWhFS0ZjMTZHT3VDYWtRVFQ5bFVQRm5nR2I0dm9yeUxRbDZFYWdad3pw?=
 =?utf-8?B?MGlZQ01pWFpDeUJ2MFhkbTIxczlpL05zSzNGblo3d0dFYXpQTEdmNFhJSzdI?=
 =?utf-8?B?QnVHYlErMUFrRDJZWFZoOG1YVkUwQ2VtMVlYUEo5d2NkZXBUYzl4NlA2dVFD?=
 =?utf-8?B?QUlqcDQzOVdCUXY1T2pHRWhzeUZZMXpSeWwyS1lMYnJLbEN2TGJJaEpJYTdB?=
 =?utf-8?B?T1k3Z2I1Yko1NWlZdnVxa3ZkZUhFNHNGcFFHTHlhU1ROd3NMMlAxV2dHQnN2?=
 =?utf-8?B?OVplU1FRaEpQeE5mMC84S293YUZLN1l4SEIxYjAycjJjblZJNDB3VG9hVWJT?=
 =?utf-8?B?WkZyc2RTbjdBaUdvQzBqdms0SUR4R29oakkwVEVxNXQyVFJWSmNMc1J3b2Vu?=
 =?utf-8?B?TXJpSGcwWkRkSjZZODNhKzZ0OThCNlRIdy92cURiMndYL3J2b0pXU3pLUXBV?=
 =?utf-8?B?Y0czY1RkUUJEQzVKMTJmZm1YU0doWXBwQkdiTWh4QktsQnVTWnNub3Z6YjZj?=
 =?utf-8?B?NmpObFZDVVRaVW8zcUNxQUVQWVZqYm1tOXpwR2t1SU9vdFlvUDM2NFNUUDNm?=
 =?utf-8?B?LzBlVmd5MXFMcXZ3TUx3TTF2ZFovRE5PSkdmUElEMFRsVVBrRlJiWUpKMGli?=
 =?utf-8?B?Q25xV00rZUtEOTRqSktlUXpMa1Jpc0hDVTgzUGpycEJBRjdEbEUva0h4aGU5?=
 =?utf-8?B?NTJOSEphanh0RUlRdkY4R1A2K1JlWUUyT3hwV0R1d3RwMzdSV1ZMNWNyUWRX?=
 =?utf-8?B?bmk2dXVpS1JWSGx3TVdzTXRHKzE0MUF4VjQ2UVVhTkxiZEdveVhTbTFZUGJJ?=
 =?utf-8?B?c0VpUWQzeFVQNXRMMVdOMGJXQ3JTMjgzRi9WYlNNTGd1a0RDN2RvQlJOL0lk?=
 =?utf-8?B?elYzVDJmdVNXOFpKc2tFQzRpWUsyeFRENU9MMkhCUkRKbExOT2dQeEM4Mkhn?=
 =?utf-8?B?Qlp4QWpiaG5OdE5LWHUxd0swaFhOdDgzTkpOckx5QkhuV2JlcDhCanJ5VFRy?=
 =?utf-8?B?NjJCeExTUkhkYVA4Yzc2a1Z5Vlg5SFg0UjZvdy9VUlNkY2tPbWRRT2czT1pJ?=
 =?utf-8?B?ZHk1Mk1UazIvT1IyV3hpTTJRMThZSVc1YU5aenpnMVA2NUVJcThwaFBBam0w?=
 =?utf-8?B?b3Zsb3kzOGFqK2RzQjU5WmVieEVNRjF0dlY0TDhNbzhtMVA1dHQzTUI2TWNJ?=
 =?utf-8?B?OFVqMVRZMDMvbU5UR2RreUY4T1FoenFTOWpCbXpvbEtHUzQ3UlJocUxMSUdx?=
 =?utf-8?B?cGtKQWoyTGFWVU5CbFpWRzBmVkVaM0d6ZldVYkRjMmFvZ2RoSWp2cDRMYlp0?=
 =?utf-8?B?NjkrOW9LQVZOdUw2eUJ2cjNPKzJZUTNlMUtYd3M5bUJCZjZCT3Q5NXFUeW82?=
 =?utf-8?B?M1R1ZWRJS1ZlSzhSTCt0QlFnaGxZcThENkxMaW9Vd2FaTVpCRkdpdDh1RXlH?=
 =?utf-8?B?Vmc2c2hlSVhFMUFYTFVPOVZyK2N5b0RjQ1ZieDBtT24vSFRJcjFhMWNuLzVN?=
 =?utf-8?B?S3Q5SENEajRwUUhwWExVWUFDYVBXQTY0VkFBblhNNk85c2lZQk1QT3FwR0NV?=
 =?utf-8?B?bUFCeWZYeEZ4dHd4RHdOVU9TWWRDSUFaenAveEZ4TGdyWkhLTUNEZUp0anE3?=
 =?utf-8?B?RVMvSlBQcFFOd25XZ0pXS0UydmxtYWZrMElQUzZNQ2x2czBNVUZLTmFYdFJD?=
 =?utf-8?B?c1JaK0ZsNC9EQWlPWjJ0VDlCNmd4Z1NHUHQ0Mk13SGF4cmFKcy9rTURHUmY1?=
 =?utf-8?B?S3dlSnFMOTQvdXdoVmNaU0dUVVFIV01IOWpYOUc5SVVrVThwM2JSaWpERmR2?=
 =?utf-8?B?TmFsTzFoMGlkRU9NRUNwenJUeFMzYW9FR1lpZVllS1Zha05lZm94dWR4N3F2?=
 =?utf-8?Q?N5Q8VIDipS9dNMp1k+f8ypUEH?=
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-Network-Message-Id: bf6247f3-c09b-454d-9ae7-08dbd723091a
X-MS-Exchange-CrossTenant-AuthSource: MN0PR12MB6101.namprd12.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Oct 2023 19:29:28.1398
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: 5hEhsVnVAd1/rfxa5mBaUxxcfeAw3lEPr8i/k/FGNSJuxDXV+hMF30ISLmUx97gGerbO4sPzwa3y3DEDDI/H4g==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN6PR12MB8514
X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,
        URIBL_BLOCKED autolearn=no 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: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 27 Oct 2023 12:29:40 -0700 (PDT)

On 10/27/2023 14:24, Thomas Gleixner wrote:
> On Thu, Oct 26 2023 at 12:03, Mario Limonciello wrote:
>> Parallel bootup on systems that use x2apic broke suspend to ram.
>> This series ensures x2apic is re-enabled at startup and fixes an exposed
>> pre-emption issue.
> 
> The PMU issue has absolutely nothing to do with parallel bootup.
> 
> Can you please describe stuff coherently?

They are both issues found with S3 testing.
The PMU issue wasn't being observed with cpuhp.parallel=0.