From: Fenghua Yu <fenghua.yu@intel.com>
To: Borislav Petkov <bp@alien8.de>, Babu Moger <babu.moger@amd.com>
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 10:40:32 -0700 [thread overview]
Message-ID: <f9bd5402-0377-6d75-5782-8bef29759c90@intel.com> (raw)
In-Reply-To: <20231009172517.GRZSQ3fT05LGgpcW35@fat_crate.local>
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.
Thanks.
-Fenghua
next prev parent reply other threads:[~2023-10-09 17:40 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 [this message]
2023-10-09 19:50 ` Moger, Babu
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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