From: Borislav Petkov <bp@alien8.de>
To: Babu Moger <babu.moger@amd.com>
Cc: corbet@lwn.net, tony.luck@intel.com, reinette.chatre@intel.com,
Dave.Martin@arm.com, james.morse@arm.com, tglx@kernel.org,
ben.horgan@arm.com, fenghuay@nvidia.com,
skhan@linuxfoundation.org, x86@kernel.org, mingo@redhat.com,
dave.hansen@linux.intel.com, hpa@zytor.com,
akpm@linux-foundation.org, rdunlap@infradead.org,
peterz@infradead.org, feng.tang@linux.alibaba.com,
dapeng1.mi@linux.intel.com, elver@google.com,
enelsonmoore@gmail.com, kuba@kernel.org, ebiggers@kernel.org,
lirongqing@baidu.com, seanjc@google.com, nikunj@amd.com,
xin@zytor.com, pawan.kumar.gupta@linux.intel.com,
tiala@microsoft.com, chang.seok.bae@intel.com,
kprateek.nayak@amd.com, prathyushi.nangia@amd.com,
kim.phillips@amd.com, naveen@kernel.org, darwi@linutronix.de,
elena.reshetova@intel.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, thomas.lendacky@amd.com,
eranian@google.com, peternewman@google.com,
qinyuntan@linux.alibaba.com
Subject: Re: [RESEND PATCH v4 01/15] x86/resctrl: Support Privilege Level Zero Association (PLZA)
Date: Wed, 08 Jul 2026 17:27:10 +0000 [thread overview]
Message-ID: <4B062170-48CF-4D17-A288-E8C90461BBC2@alien8.de> (raw)
In-Reply-To: <017ac20b-851e-43aa-9043-f3a2def2a2e6@amd.com>
On July 8, 2026 2:51:02 PM UTC, Babu Moger <babu.moger@amd.com> wrote:
>Will change the text to:
>
>When memory bandwidth associated with a CLOSID is aggressively
>throttled, and a task with that CLOSID moves into kernel mode, the kernel operations are also aggressively throttled. This can stall forward progress and eventually degrade overall system performance.
Yes, pls keep it generic.
Thx.
--
Small device. Typos and formatting crap
next prev parent reply other threads:[~2026-07-08 17:28 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-07 21:50 [RESEND PATCH v4 00/15] x86/resctrl: Add kernel-mode (e.g., PLZA) support to the resctrl subsystem Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 01/15] x86/resctrl: Support Privilege Level Zero Association (PLZA) Babu Moger
2026-07-07 22:01 ` Borislav Petkov
2026-07-08 14:51 ` Babu Moger
2026-07-08 17:27 ` Borislav Petkov [this message]
2026-07-08 16:55 ` Babu Moger
2026-07-08 23:28 ` Borislav Petkov
2026-07-09 0:00 ` Namhyung Kim
2026-07-09 0:12 ` Borislav Petkov
2026-07-10 0:55 ` Namhyung Kim
2026-07-10 1:46 ` Borislav Petkov
2026-07-07 21:50 ` [RESEND PATCH v4 02/15] x86/resctrl: Add PLZA support to command-line options Babu Moger
2026-07-08 17:39 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 03/15] x86/resctrl: Add data structures and definitions for PLZA configuration Babu Moger
2026-07-08 20:20 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 04/15] fs/resctrl: Introduce kernel mode (kmode) data structures Babu Moger
2026-07-08 20:56 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 05/15] x86,fs/resctrl: Introduce architecture hooks to program kernel-mode Babu Moger
2026-07-08 23:04 ` Moger, Babu
2026-07-07 21:50 ` [RESEND PATCH v4 06/15] fs/resctrl: Introduce resctrl_set_kmode_support() to initialize supported modes Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 07/15] x86/resctrl: Expose the supported PLZA kernel-mode policies during init Babu Moger
2026-07-09 15:15 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 08/15] fs/resctrl: Add interface to display supported and active kernel-mode policy Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 09/15] fs/resctrl: Introduce kmode_cpus/kmode_cpus_list per rdtgroup Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 10/15] fs/resctrl: Reset the kernel-mode binding when an rdtgroup is removed Babu Moger
2026-07-09 18:15 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 11/15] fs/resctrl: Program kernel-mode binding when CPU comes online Babu Moger
2026-07-09 20:01 ` Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 12/15] fs/resctrl: Hide kmode_cpus[_list] on groups not bound to kernel-mode Babu Moger
2026-07-07 21:50 ` [RESEND PATCH v4 13/15] fs/resctrl: Add interface to modify kernel-mode via info/kernel_mode Babu Moger
2026-07-09 22:46 ` Moger, Babu
2026-07-07 21:50 ` [RESEND PATCH v4 14/15] fs/resctrl: Allow user space to write kmode_cpus/kmode_cpus_list Babu Moger
2026-07-09 23:14 ` Moger, Babu
2026-07-07 21:50 ` [RESEND PATCH v4 15/15] fs/resctrl: Add documentation on kernel_mode with example Babu Moger
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