From: "Moger, Babu" <babu.moger@amd.com>
To: Fenghua Yu <fenghua.yu@intel.com>, Borislav Petkov <bp@alien8.de>
Cc: corbet@lwn.net, reinette.chatre@intel.com, tglx@linutronix.de,
mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org,
hpa@zytor.com, paulmck@kernel.org, akpm@linux-foundation.org,
quic_neeraju@quicinc.com, rdunlap@infradead.org,
damien.lemoal@opensource.wdc.com, songmuchun@bytedance.com,
peterz@infradead.org, jpoimboe@kernel.org, pbonzini@redhat.com,
chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com,
jmattson@google.com, daniel.sneddon@linux.intel.com,
sandipan.das@amd.com, tony.luck@intel.com, james.morse@arm.com,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
bagasdotme@gmail.com, eranian@google.com,
christophe.leroy@csgroup.eu, jarkko@kernel.org,
adrian.hunter@intel.com, quic_jiles@quicinc.com,
peternewman@google.com
Subject: Re: [PATCH v11 05/10] x86/resctrl: Unwind the errors inside rdt_enable_ctx()
Date: Mon, 9 Oct 2023 14:50:12 -0500 [thread overview]
Message-ID: <bdfa67bb-2553-4674-a615-e3bb2b49f133@amd.com> (raw)
In-Reply-To: <f9bd5402-0377-6d75-5782-8bef29759c90@intel.com>
Hi Fenghua,
On 10/9/23 12:40, Fenghua Yu wrote:
> Hi, Babu,
>
> On 10/9/23 10:25, Borislav Petkov wrote:
>> On Tue, Oct 03, 2023 at 06:54:25PM -0500, Babu Moger wrote:
>>> rdt_enable_ctx() enables the features provided during resctrl mount.
>>>
>>> Additions to rdt_enable_ctx() are required to also modify error paths
>>> of rdt_enable_ctx() callers to ensure correct unwinding if errors
>>> are encountered after calling rdt_enable_ctx(). This is error prone.
>>>
>>> Introduce rdt_disable_ctx() to refactor the error unwinding of
>>> rdt_enable_ctx() to simplify future additions. This also simplifies
>>> cleanup in rdt_kill_sb().
>>>
>>> Remove cdp_disable_all() as it is not used anymore after the refactor.
>>
>> Do not talk about *what* the patch is doing in the commit message - that
>> should be obvious from the diff itself. Rather, concentrate on the *why*
>> it needs to be done.
>>
>> Check your whole series.
>
> When you send the next patch set, please add the change log in each patch
> after the "---" instead of in the cover patch only. So Boris and others
> clearly know what are changed in each patch.
Sure. Will do in future.
--
Thanks
Babu Moger
next prev parent reply other threads:[~2023-10-09 19:50 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-03 23:54 [PATCH v11 00/10] x86/resctrl: Miscellaneous resctrl features Babu Moger
2023-10-03 23:54 ` [PATCH v11 01/10] x86/resctrl: Add multiple tasks to the resctrl group at once Babu Moger
2023-10-03 23:54 ` [PATCH v11 02/10] x86/resctrl: Simplify rftype flag definitions Babu Moger
2023-10-03 23:54 ` [PATCH v11 03/10] x86/resctrl: Rename rftype flags for consistency Babu Moger
2023-10-09 17:19 ` Borislav Petkov
2023-10-09 17:48 ` Reinette Chatre
2023-10-09 17:53 ` Borislav Petkov
2023-10-09 19:22 ` Moger, Babu
2023-10-09 19:24 ` Moger, Babu
2023-10-03 23:54 ` [PATCH v11 04/10] x86/resctrl: Add comments on RFTYPE flags hierarchy Babu Moger
2023-10-09 17:22 ` Borislav Petkov
2023-10-09 19:39 ` Moger, Babu
2023-10-09 19:51 ` Borislav Petkov
2023-10-09 20:36 ` Moger, Babu
2023-10-03 23:54 ` [PATCH v11 05/10] x86/resctrl: Unwind the errors inside rdt_enable_ctx() Babu Moger
2023-10-09 17:25 ` Borislav Petkov
2023-10-09 17:40 ` Fenghua Yu
2023-10-09 19:50 ` Moger, Babu [this message]
2023-10-09 17:59 ` Reinette Chatre
2023-10-09 19:23 ` Borislav Petkov
2023-10-09 19:58 ` Moger, Babu
2023-10-09 20:10 ` Reinette Chatre
2023-10-03 23:54 ` [PATCH v11 06/10] x86/resctrl: Move default group file creation to mount Babu Moger
2023-10-03 23:54 ` [PATCH v11 07/10] x86/resctrl: Introduce "-o debug" mount option Babu Moger
2023-10-03 23:54 ` [PATCH v11 08/10] x86/resctrl: Display CLOSID for resource group Babu Moger
2023-10-03 23:54 ` [PATCH v11 09/10] x86/resctrl: Add support for the files for MON groups only Babu Moger
2023-10-06 17:53 ` Reinette Chatre
2023-10-06 20:49 ` Moger, Babu
2023-10-06 21:01 ` Reinette Chatre
2023-10-09 18:00 ` Borislav Petkov
2023-10-09 22:08 ` Moger, Babu
2023-10-03 23:54 ` [PATCH v11 10/10] x86/resctrl: Display RMID of resource group Babu Moger
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