[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <d1ced272-a72c-46dc-9966-5d3a9e28103c@intel.com>
Date: Wed, 30 Jul 2025 12:59:46 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Babu Moger <babu.moger@....com>, <corbet@....net>, <tony.luck@...el.com>,
<james.morse@....com>, <tglx@...utronix.de>, <mingo@...hat.com>,
<bp@...en8.de>, <dave.hansen@...ux.intel.com>
CC: <Dave.Martin@....com>, <x86@...nel.org>, <hpa@...or.com>,
<akpm@...ux-foundation.org>, <paulmck@...nel.org>, <rostedt@...dmis.org>,
<Neeraj.Upadhyay@....com>, <david@...hat.com>, <arnd@...db.de>,
<fvdl@...gle.com>, <seanjc@...gle.com>, <jpoimboe@...nel.org>,
<pawan.kumar.gupta@...ux.intel.com>, <xin@...or.com>,
<manali.shukla@....com>, <tao1.su@...ux.intel.com>, <sohil.mehta@...el.com>,
<kai.huang@...el.com>, <xiaoyao.li@...el.com>, <peterz@...radead.org>,
<xin3.li@...el.com>, <kan.liang@...ux.intel.com>,
<mario.limonciello@....com>, <thomas.lendacky@....com>, <perry.yuan@....com>,
<gautham.shenoy@....com>, <chang.seok.bae@...el.com>,
<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<peternewman@...gle.com>, <eranian@...gle.com>
Subject: Re: [PATCH v16 21/34] x86/resctrl: Refactor resctrl_arch_rmid_read()
Hi Babu,
On 7/25/25 11:29 AM, Babu Moger wrote:
> resctrl_arch_rmid_read() adjusts the value obtained from MSR_IA32_QM_CTR to
> account for the overflow for MBM events and apply counter scaling for all
> the events. This logic is common to both reading an RMID and reading a
> hardware counter directly.
>
> Refactor the hardware value adjustment logic into get_corrected_val() to
> prepare for support of reading a hardware counter.
>
> Signed-off-by: Babu Moger <babu.moger@....com>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
Reinette
Powered by blists - more mailing lists