RE: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)

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To: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
From: "Luck, Tony" <tony.luck@xxxxxxxxx>
Date: Wed, 20 Apr 2022 18:08:20 +0000
Accept-language: en-US
Cc: "Williams, Dan J" <dan.j.williams@xxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, "markgross@xxxxxxxxxx" <markgross@xxxxxxxxxx>, "Thomas Gleixner" <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "Borislav Petkov" <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, "Joseph, Jithu" <jithu.joseph@xxxxxxxxx>, "Raj, Ashok" <ashok.raj@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Linux Doc Mailing List <linux-doc@xxxxxxxxxxxxxxx>, "platform-driver-x86@xxxxxxxxxxxxxxx" <platform-driver-x86@xxxxxxxxxxxxxxx>, "patches@xxxxxxxxxxxxxxx" <patches@xxxxxxxxxxxxxxx>, "Shankar, Ravi V" <ravi.v.shankar@xxxxxxxxx>
Dlp-product: dlpe-windows
Dlp-reaction: no-action
Dlp-version: 11.6.401.20
In-reply-to: <YmBLJf8JQkfSQGvA@kroah.com>
References: <20220407191347.9681-1-jithu.joseph@intel.com> <20220419163859.2228874-1-tony.luck@intel.com> <20220419163859.2228874-4-tony.luck@intel.com> <Yl7npfrVTPFEIivC@kroah.com> <CAPcyv4jzscs3Dg4QN0+XHRYdekBeqy1=dRX-mWCj1OXo8jS2vQ@mail.gmail.com> <Yl+66oyQhI0AkEDC@kroah.com> <YmAmebezoc8m6n2E@agluck-desk3.sc.intel.com> <YmBG44t4dYsUl4Aa@kroah.com> <578be5d8874f4942a58adf5f64c4e817@intel.com> <YmBLJf8JQkfSQGvA@kroah.com>

>> Or is it ok for them all to sit at the top level of /sys/devices/virtual?
>
> How many do you have?
>
> And why is a directory needed for just one tiny driver type?

One today. Two tomorrow (internally ... next gen CPU).

Three eventually (That's how many are on the roadmap that I can see).

-Tony

Follow-Ups:
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Greg KH

References:
- [PATCH v2 00/10] Introduce In Field Scan driver
  - From: Jithu Joseph
- [PATCH v3 00/11] Introduce In Field Scan driver
  - From: Tony Luck
- [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Tony Luck
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Greg KH
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Dan Williams
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Greg KH
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Luck, Tony
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Greg KH
- RE: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Luck, Tony
- Re: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan)
  - From: Greg KH

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