linux-kernel - Re: DPTF_POWER and DPTF_PCH

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 15 Oct 2020 14:06:39 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        lkml <linux-kernel@...r.kernel.org>, rafael@...nel.org,
        Linux ACPI <linux-acpi@...r.kernel.org>
Subject: Re: DPTF_POWER and DPTF_PCH_FIVR

On Thu, Oct 15, 2020 at 01:31:55PM +0200, Rafael J. Wysocki wrote:
> Well, they depend on ACPI too and it doesn't look like there is anything
> more fine grained that could be used here.
> 
> Also I'm not sure if adding ACPI_DPTF (bool, disabled by default and
> depending on x86) would help a lot.

So you're saying this is going to be present in current and future
hardware so might as well enable it?

> Obviously an oversight on my part, sorry.
> 
> I think that changing it to "dptf_power" (and analogously for the FIVR
> participant driver) should work.  Srinivas?

Makes sense.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette