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From: Thomas Gleixner <tglx@linutronix.de>
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To: Tony Luck <tony.luck@intel.com>, hdegoede@redhat.com, markgross@kernel.org
Cc: mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
 x86@kernel.org, hpa@zytor.com, corbet@lwn.net, gregkh@linuxfoundation.org,
 andriy.shevchenko@linux.intel.com, jithu.joseph@intel.com,
 ashok.raj@intel.com, tony.luck@intel.com, rostedt@goodmis.org,
 dan.j.williams@intel.com, linux-kernel@vger.kernel.org,
 linux-doc@vger.kernel.org, platform-driver-x86@vger.kernel.org,
 patches@lists.linux.dev, ravi.v.shankar@intel.com
Subject: Re: [PATCH v7 08/12] platform/x86/intel/ifs: Add scan test support
In-Reply-To: <20220506225410.1652287-9-tony.luck@intel.com>
References: <20220506014035.1173578-1-tony.luck@intel.com>
 <20220506225410.1652287-1-tony.luck@intel.com>
 <20220506225410.1652287-9-tony.luck@intel.com>
Date: Mon, 09 May 2022 14:11:55 +0200
Message-ID: <87wneurjlg.ffs@tglx>
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On Fri, May 06 2022 at 15:54, Tony Luck wrote:
> From: Jithu Joseph <jithu.joseph@intel.com>
>
> In a core, the scan engine is shared between sibling cpus.
>
> When a Scan test (for a particular core) is triggered by the user,
> the scan chunks are executed on all the threads on the core using
> stop_core_cpuslocked.
>
> Scan may be aborted by some reasons. Scan test will be aborted in certain
> circumstances such as when interrupt occurred or cpu does not have enough
> power budget for scan. In this case, the kernel restart scan from the chunk
> where it stopped. Scan will also be aborted when the test is failed. In
> this case, the test is immediately stopped without retry.
>
> Reviewed-by: Dan Williams <dan.j.williams@intel.com>
> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
> Co-developed-by: Tony Luck <tony.luck@intel.com>
> Signed-off-by: Tony Luck <tony.luck@intel.com>
> Acked-by: Hans de Goede <hdegoede@redhat.com>
> Reviewed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>