From: Fenghua Yu <fenghua.yu@intel.com>
To: Shawn Wang <shawnwang@linux.alibaba.com>, <reinette.chatre@intel.com>
Cc: <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>, <x86@kernel.org>, <hpa@zytor.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] x86/resctrl: Only show tasks' pid in current pid namespace
Date: Tue, 16 May 2023 12:04:03 -0700 [thread overview]
Message-ID: <ace6ad64-75a9-716a-8845-9a2c92820dda@intel.com> (raw)
In-Reply-To: <20230515060448.50446-1-shawnwang@linux.alibaba.com>
On 5/14/23 23:04, Shawn Wang wrote:
> When writing a task id to the "tasks" file in an rdtgroup,
> rdtgroup_tasks_write() treats the pid as a number in the current pid
> namespace. But when reading the "tasks" file, rdtgroup_tasks_show() shows
> the list of global pids from the init namespace, which is confusing and
> incorrect.
>
> To be more robust, let the "tasks" file only show pids in the current pid
> namespace.
>
> Link: https://lore.kernel.org/all/20230116071246.97717-1-shawnwang@linux.alibaba.com/
> Fixes: e02737d5b826 ("x86/intel_rdt: Add tasks files")
> Signed-off-by: Shawn Wang <shawnwang@linux.alibaba.com>
> Tested-by: Reinette Chatre <reinette.chatre@intel.com>
> Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Thanks.
-Fenghua
prev parent reply other threads:[~2023-05-16 19:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 6:04 [PATCH v2] x86/resctrl: Only show tasks' pid in current pid namespace Shawn Wang
2023-05-16 19:04 ` Fenghua Yu [this message]
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