linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: James Morse <james.morse@arm.com>
To: Reinette Chatre <reinette.chatre@intel.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Fenghua Yu <fenghua.yu@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	H Peter Anvin <hpa@zytor.com>, Babu Moger <Babu.Moger@amd.com>,
	shameerali.kolothum.thodi@huawei.com,
	D Scott Phillips OS <scott@os.amperecomputing.com>,
	carl@os.amperecomputing.com, lcherian@marvell.com,
	bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com,
	baolin.wang@linux.alibaba.com,
	Jamie Iles <quic_jiles@quicinc.com>,
	Xin Hao <xhao@linux.alibaba.com>,
	peternewman@google.com, dfustini@baylibre.com,
	amitsinght@marvell.com, David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH v9 02/24] x86/resctrl: kfree() rmid_ptrs from resctrl_exit()
Date: Mon, 19 Feb 2024 16:53:47 +0000	[thread overview]
Message-ID: <d14dcee0-da13-442b-b73a-c51792e14f73@arm.com> (raw)
In-Reply-To: <d587fdcb-776a-4464-a5e0-dc9491504ae9@intel.com>

Hi Reinette,

On 13/02/2024 23:14, Reinette Chatre wrote:
> On 2/13/2024 10:44 AM, James Morse wrote:
>> rmid_ptrs[] is allocated from dom_data_init() but never free()d.
>>
>> While the exit text ends up in the linker script's DISCARD section,
>> the direction of travel is for resctrl to be/have loadable modules.
>>
>> Add resctrl_put_mon_l3_config() to cleanup any memory allocated
>> by rdt_get_mon_l3_config().
>>
>> There is no reason to backport this to a stable kernel.

> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>


Thanks!

James

  reply	other threads:[~2024-02-19 16:53 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-13 18:44 [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together, separate arch/fs locking James Morse
2024-02-13 18:44 ` [PATCH v9 01/24] tick/nohz: Move tick_nohz_full_mask declaration outside the #ifdef James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 02/24] x86/resctrl: kfree() rmid_ptrs from resctrl_exit() James Morse
2024-02-13 23:14   ` Reinette Chatre
2024-02-19 16:53     ` James Morse [this message]
2024-02-19 18:37   ` [tip: x86/cache] x86/resctrl: Free " tip-bot2 for James Morse
2024-02-20 15:27   ` [PATCH v9 02/24] x86/resctrl: kfree() " David Hildenbrand
2024-02-20 15:46     ` James Morse
2024-02-20 15:54       ` Thomas Gleixner
2024-02-20 16:01         ` James Morse
2024-02-20 16:12           ` Thomas Gleixner
2024-02-13 18:44 ` [PATCH v9 03/24] x86/resctrl: Create helper for RMID allocation and mondata dir creation James Morse
2024-02-19 15:49   ` David Hildenbrand
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 04/24] x86/resctrl: Move rmid allocation out of mkdir_rdt_prepare() James Morse
2024-02-19 18:37   ` [tip: x86/cache] x86/resctrl: Move RMID " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 05/24] x86/resctrl: Track the closid with the rmid James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 06/24] x86/resctrl: Access per-rmid structures by index James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 07/24] x86/resctrl: Allow RMID allocation to be scoped by CLOSID James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 08/24] x86/resctrl: Track the number of dirty RMID a CLOSID has James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 09/24] x86/resctrl: Use __set_bit()/__clear_bit() instead of open coding James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-20 16:00   ` [PATCH v9 09/24] " David Hildenbrand
2024-02-20 16:27     ` James Morse
2024-02-20 16:44       ` David Hildenbrand
2024-02-13 18:44 ` [PATCH v9 10/24] x86/resctrl: Allocate the cleanest CLOSID by searching closid_num_dirty_rmid James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 11/24] x86/resctrl: Move CLOSID/RMID matching and setting to use helpers James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 12/24] x86/resctrl: Add cpumask_any_housekeeping() for limbo/overflow James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 13/24] x86/resctrl: Queue mon_event_read() instead of sending an IPI James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 14/24] x86/resctrl: Allow resctrl_arch_rmid_read() to sleep James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 15/24] x86/resctrl: Allow arch to allocate memory needed in resctrl_arch_rmid_read() James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 16/24] x86/resctrl: Make resctrl_mounted checks explicit James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 17/24] x86/resctrl: Move alloc/mon static keys into helpers James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 18/24] x86/resctrl: Make rdt_enable_key the arch's decision to switch James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 19/24] x86/resctrl: Add helpers for system wide mon/alloc capable James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 20/24] x86/resctrl: Add CPU online callback for resctrl work James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 21/24] x86/resctrl: Allow overflow/limbo handlers to be scheduled on any-but cpu James Morse
2024-02-19 18:37   ` [tip: x86/cache] x86/resctrl: Allow overflow/limbo handlers to be scheduled on any-but CPU tip-bot2 for James Morse
2024-03-25 23:14   ` [PATCH v9 21/24] x86/resctrl: Allow overflow/limbo handlers to be scheduled on any-but cpu Tony Luck
2024-02-13 18:44 ` [PATCH v9 22/24] x86/resctrl: Add CPU offline callback for resctrl work James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 23/24] x86/resctrl: Move domain helper migration into resctrl_offline_cpu() James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 18:44 ` [PATCH v9 24/24] x86/resctrl: Separate arch and fs resctrl locks James Morse
2024-02-19 18:37   ` [tip: x86/cache] " tip-bot2 for James Morse
2024-02-13 23:26 ` [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together, separate arch/fs locking Reinette Chatre
2024-02-14 15:01 ` Moger, Babu
2024-02-19 16:53   ` James Morse
2024-02-17  0:28 ` Tony Luck
2024-02-20 18:18   ` Reinette Chatre
2024-02-20 18:48     ` Luck, Tony
2024-02-17 10:55 ` Borislav Petkov
2024-02-19 16:49   ` Thomas Gleixner
2024-02-19 16:53     ` James Morse
2024-02-19 17:51       ` Borislav Petkov
2024-02-19 17:55         ` James Morse
2024-02-20 20:59     ` Tony Luck
2024-02-20 22:58       ` Reinette Chatre
2024-02-20 23:25         ` Luck, Tony
2024-02-21  0:34           ` [PATCH] x86/resctrl: Fix WARN in get_domain_from_cpu() Tony Luck
2024-02-21  5:10             ` Reinette Chatre
2024-02-21 12:06             ` James Morse
2024-02-21 19:31             ` [PATCH v2] " Tony Luck
2024-02-21 22:59               ` Reinette Chatre
2024-02-21 23:56                 ` Tony Luck
2024-02-22 18:50               ` [PATCH v3 0/2] x86/resctrl: Pass domain to target CPU Tony Luck
2024-02-22 18:50                 ` [PATCH v3 1/2] " Tony Luck
2024-02-27 22:05                   ` Reinette Chatre
2024-02-22 18:50                 ` [PATCH v3 2/2] x86/resctrl: Simply call convention for MSR update functions Tony Luck
2024-02-27 22:05                   ` Reinette Chatre
2024-02-22 23:18                 ` [PATCH v3 0/2] x86/resctrl: Pass domain to target CPU Reinette Chatre
2024-02-22 23:26                   ` Luck, Tony
2024-03-08 21:38               ` [PATCH v5 " Tony Luck
2024-03-08 21:38                 ` [PATCH v5 1/2] " Tony Luck
2024-03-12 20:06                   ` Moger, Babu
2024-03-12 20:08                     ` Luck, Tony
2024-04-24 12:01                   ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-03-08 21:38                 ` [PATCH v5 2/2] x86/resctrl: Simplify call convention for MSR update functions Tony Luck
2024-03-12 20:06                   ` Moger, Babu
2024-04-24 12:01                   ` [tip: x86/cache] " tip-bot2 for Tony Luck
2024-03-08 23:08                 ` [PATCH v5 0/2] x86/resctrl: Pass domain to target CPU Reinette Chatre
2024-03-08 23:26                   ` Luck, Tony
2024-03-29  4:55                 ` Reinette Chatre
2024-02-21 12:06         ` [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together, separate arch/fs locking James Morse
2024-02-21 16:48           ` Reinette Chatre
2024-02-21 17:30             ` Luck, Tony
2024-02-22 15:26       ` [tip: x86/cache] x86/resctrl: Remove lockdep annotation that triggers false positive tip-bot2 for James Morse
2024-02-19 16:54   ` [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together, separate arch/fs locking James Morse

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=d14dcee0-da13-442b-b73a-c51792e14f73@arm.com \
    --to=james.morse@arm.com \
    --cc=Babu.Moger@amd.com \
    --cc=amitsinght@marvell.com \
    --cc=baolin.wang@linux.alibaba.com \
    --cc=bobo.shaobowang@huawei.com \
    --cc=bp@alien8.de \
    --cc=carl@os.amperecomputing.com \
    --cc=david@redhat.com \
    --cc=dfustini@baylibre.com \
    --cc=fenghua.yu@intel.com \
    --cc=hpa@zytor.com \
    --cc=lcherian@marvell.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=peternewman@google.com \
    --cc=quic_jiles@quicinc.com \
    --cc=reinette.chatre@intel.com \
    --cc=scott@os.amperecomputing.com \
    --cc=shameerali.kolothum.thodi@huawei.com \
    --cc=tan.shaopeng@fujitsu.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    --cc=xhao@linux.alibaba.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).