From: "Moger, Babu" <babu.moger@amd.com>
To: Borislav Petkov <bp@alien8.de>, "Luck, Tony" <tony.luck@intel.com>
Cc: "Chatre, Reinette" <reinette.chatre@intel.com>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
Peter Newman <peternewman@google.com>,
Jonathan Corbet <corbet@lwn.net>,
"x86@kernel.org" <x86@kernel.org>,
James Morse <james.morse@arm.com>,
Jamie Iles <quic_jiles@quicinc.com>,
Randy Dunlap <rdunlap@infradead.org>,
"Shaopeng Tan (Fujitsu)" <tan.shaopeng@fujitsu.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"patches@lists.linux.dev" <patches@lists.linux.dev>
Subject: Re: [PATCH v11 0/8] x86/resctrl: mba_MBps enhancement
Date: Mon, 9 Dec 2024 13:15:25 -0600 [thread overview]
Message-ID: <c5f5b3ff-27ac-41c1-ac5a-858eb82d607d@amd.com> (raw)
In-Reply-To: <20241209175739.GIZ1cvkycetfLpEsgE@fat_crate.local>
On 12/9/24 11:57, Borislav Petkov wrote:
> On Mon, Dec 09, 2024 at 05:53:12PM +0000, Luck, Tony wrote:
>> v6.13-rc1 may give a lockdep splat when mounting /sys/fs/resctrl
>> (known CONFIG options to trigger this are:
>>
>> PROVE_LOCKING && SELINUX && (EXT4 || BTRFS)
>>
>> but there may be others).
>>
>> These resctrl patches are not directly dependent on the fixes that
>> went into -rc2:
>>
>> 22465bbac53c blk-mq: move cpuhp callback registering out of q->sysfs_lock
>> 4bf485a7db5d blk-mq: register cpuhp callback after hctx is added to xarray table
>>
>> they work ok on top of -rc1 (as long as you ignore the lockdep splat).
>
> Thanks for the details.
>
>> I see you already have one patch in TIP x86/cache on top of v6.13-rc1
>>
>> Your choice whether to rebase that to -rc2 and then apply my series. It
>> might make testing smoother.
>
> Yah, I can rebase. Not worth the hassle of dealing with bogus reports.
>
Sanity tested on AMD system. Changes look good.
Tested-by: Babu Moger <babu.moger@amd.com>
--
Thanks
Babu Moger
prev parent reply other threads:[~2024-12-09 19:15 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-06 16:31 [PATCH v11 0/8] x86/resctrl: mba_MBps enhancement Tony Luck
2024-12-06 16:31 ` [PATCH v11 1/8] x86/resctrl: Introduce resctrl_file_fflags_init() to initialize fflags Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2024-12-06 16:31 ` [PATCH v11 2/8] x86/resctrl: Prepare for per-CTRL_MON group mba_MBps control Tony Luck
2024-12-09 20:45 ` Borislav Petkov
2024-12-09 22:05 ` Luck, Tony
2024-12-09 22:20 ` Borislav Petkov
2024-12-09 22:35 ` Luck, Tony
2024-12-09 23:40 ` Reinette Chatre
2024-12-10 0:00 ` Luck, Tony
2024-12-10 10:13 ` Borislav Petkov
2024-12-10 18:42 ` Reinette Chatre
2024-12-10 18:59 ` Borislav Petkov
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 3/8] x86/resctrl: Modify update_mba_bw() to use per CTRL_MON group event Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 4/8] x86/resctrl: Compute memory bandwidth for all supported events Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 5/8] x86/resctrl: Make mba_sc use total bandwidth if local is not supported Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 6/8] x86/resctrl: Add "mba_MBps_event" file to CTRL_MON directories Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 7/8] x86/resctrl: Add write option to "mba_MBps_event" file Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-06 16:31 ` [PATCH v11 8/8] x86/resctrl: Document the new " Tony Luck
2024-12-13 21:02 ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-12-09 17:10 ` [PATCH v11 0/8] x86/resctrl: mba_MBps enhancement Reinette Chatre
2024-12-09 17:28 ` Borislav Petkov
2024-12-09 17:53 ` Luck, Tony
2024-12-09 17:57 ` Borislav Petkov
2024-12-09 19:15 ` Moger, Babu [this message]
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