From: "Joseph, Jithu" <jithu.joseph@intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: "hdegoede@redhat.com" <hdegoede@redhat.com>,
"markgross@kernel.org" <markgross@kernel.org>,
"corbet@lwn.net" <corbet@lwn.net>,
"Raj, Ashok" <ashok.raj@intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"patches@lists.linux.dev" <patches@lists.linux.dev>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"rostedt@goodmis.org" <rostedt@goodmis.org>,
"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"platform-driver-x86@vger.kernel.org"
<platform-driver-x86@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>, "bp@alien8.de" <bp@alien8.de>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"andriy.shevchenko@linux.intel.com"
<andriy.shevchenko@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>
Subject: Re: [RFC 08/10] platform/x86/intel/ifs: Add IFS sysfs interface
Date: Mon, 7 Mar 2022 12:56:08 -0800 [thread overview]
Message-ID: <eab8177d-eb73-ec64-ec1f-4f2a51be8aee@intel.com> (raw)
In-Reply-To: <CAPcyv4iUuZ0aAWckWvwbxJJgt5tDJRpeonfE4DegWS6KPtJq8A@mail.gmail.com>
On 3/7/2022 12:25 PM, Dan Williams wrote:
>
> I am speaking of the state of the case where 2 threads are doing
> run_test and polling for results. Unless you can guarantee that run2
> does not start before the results of run1 have been collected then
> they are lost in that scenario. No amount of kernel locking can
> resolve that race to collect previous result which would not be a
> problem in the first place if there was an atomic way to log test
> results.
Yes "status" shows the status of the latest run. You cannot get the status of the previous run.
Also some context on test frequency: Hardware has strict rate limiting of tests.
Every core can be tested only once in every 30 minutes. So it is pointless to test at high frequency.
next prev parent reply other threads:[~2022-03-07 20:56 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-01 19:54 [RFC 00/10] Introduce In Field Scan driver Jithu Joseph
2022-03-01 19:54 ` [RFC 01/10] x86/microcode/intel: expose collect_cpu_info_early() for IFS Jithu Joseph
2022-03-01 20:08 ` Greg KH
2022-03-02 0:56 ` Joseph, Jithu
2022-03-02 10:30 ` Borislav Petkov
2022-03-03 1:34 ` Joseph, Jithu
2022-03-01 19:54 ` [RFC 02/10] Documentation: In-Field Scan Jithu Joseph
2022-03-01 20:07 ` Greg KH
2022-03-02 0:58 ` Joseph, Jithu
2022-03-01 19:54 ` [RFC 03/10] platform/x86/intel/ifs: Add driver for " Jithu Joseph
2022-03-02 23:24 ` Williams, Dan J
2022-03-02 23:31 ` Raj, Ashok
2022-03-03 0:02 ` Luck, Tony
2022-03-03 2:04 ` Joseph, Jithu
2022-03-01 19:54 ` [RFC 04/10] platform/x86/intel/ifs: Load IFS Image Jithu Joseph
2022-03-03 2:58 ` Williams, Dan J
2022-03-01 19:54 ` [RFC 05/10] platform/x86/intel/ifs: Check IFS Image sanity Jithu Joseph
2022-03-01 19:54 ` [RFC 06/10] platform/x86/intel/ifs: Authenticate and copy to secured memory Jithu Joseph
2022-03-01 19:54 ` [RFC 07/10] platform/x86/intel/ifs: Create kthreads for online cpus for scan test Jithu Joseph
2022-03-03 4:17 ` Williams, Dan J
2022-03-03 19:59 ` Luck, Tony
2022-03-04 19:20 ` Joseph, Jithu
2022-03-07 16:52 ` Dan Williams
2022-03-07 17:46 ` Luck, Tony
2022-03-10 21:42 ` Kok, Auke
2022-03-01 19:54 ` [RFC 08/10] platform/x86/intel/ifs: Add IFS sysfs interface Jithu Joseph
2022-03-04 0:31 ` Williams, Dan J
2022-03-04 16:51 ` Luck, Tony
2022-03-04 20:42 ` Joseph, Jithu
2022-03-04 21:01 ` Luck, Tony
2022-03-21 21:15 ` Luck, Tony
2022-03-07 17:38 ` Dan Williams
2022-03-07 19:09 ` Joseph, Jithu
2022-03-07 19:15 ` Dan Williams
2022-03-07 19:55 ` Joseph, Jithu
2022-03-07 20:25 ` Dan Williams
2022-03-07 20:56 ` Joseph, Jithu [this message]
2022-03-07 21:28 ` Dan Williams
2022-03-07 21:30 ` gregkh
2022-03-07 21:33 ` Luck, Tony
2022-03-01 19:54 ` [RFC 09/10] platform/x86/intel/ifs: add ABI documentation for IFS Jithu Joseph
2022-03-04 0:57 ` Williams, Dan J
2022-03-01 19:54 ` [RFC 10/10] trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations Jithu Joseph
2022-03-01 20:17 ` Steven Rostedt
2022-03-02 1:02 ` Joseph, Jithu
2022-03-01 20:10 ` [RFC 00/10] Introduce In Field Scan driver Greg KH
2022-03-01 20:14 ` Greg KH
2022-03-14 23:10 ` Luck, Tony
2022-03-15 7:34 ` Greg KH
2022-03-15 14:59 ` Luck, Tony
2022-03-15 15:26 ` Greg KH
2022-03-15 16:04 ` Dan Williams
2022-03-15 16:09 ` Dan Williams
2022-03-15 16:10 ` Luck, Tony
2022-03-16 8:09 ` Greg KH
2022-03-02 15:33 ` Steven Rostedt
2022-03-02 16:20 ` Greg KH
2022-03-02 13:59 ` Andy Lutomirski
2022-03-02 20:29 ` Luck, Tony
2022-03-02 21:18 ` Andy Lutomirski
2022-03-02 21:41 ` Luck, Tony
2022-03-02 23:11 ` Williams, Dan J
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