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Fri, 8 Sep 2023 20:15:46 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::afd6:ce92:6244:7203]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::afd6:ce92:6244:7203%5]) with mapi id 15.20.6768.029; Fri, 8 Sep 2023 20:15:46 +0000 Message-ID: <5d4eba94-659f-ba18-6214-027e565e2d45@intel.com> Date: Fri, 8 Sep 2023 13:15:36 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.15.0 Subject: Re: [PATCH v5 14/24] x86/resctrl: Allow resctrl_arch_rmid_read() to sleep Content-Language: en-US To: James Morse , , CC: Fenghua Yu , Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , Babu Moger , , D Scott Phillips OS , , , , , , , Jamie Iles , Xin Hao , , References: <20230728164254.27562-1-james.morse@arm.com> <20230728164254.27562-15-james.morse@arm.com> <4a0f777e-5dec-296e-c326-61e3630c3608@intel.com> <5c0a3df6-3b1c-ff99-194e-3c7901ffa716@intel.com> <9d69d0ca-212d-9b1b-3001-9f56731e48fd@arm.com> From: Reinette Chatre In-Reply-To: <9d69d0ca-212d-9b1b-3001-9f56731e48fd@arm.com> Content-Type: text/plain; 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This allows NOHZ_FULL systems to use an >  * IPI, (and fail if the call needed to sleep), while most of the time >  * the work is scheduled, allowing the call to sleep. > Thank you very much. Reinette