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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <CAJZ5v0g-8gcWNrnFDvcaVRb3qC1vbjsbp7o_6YUf-9uaADR94A@mail.gmail.com>
Date:   Thu, 15 Oct 2020 14:28:22 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        lkml <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Subject: Re: DPTF_POWER and DPTF_PCH_FIVR

On Thu, Oct 15, 2020 at 2:06 PM Borislav Petkov <bp@...en8.de> wrote:
>
> 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?

Yes.  [Only on clients AFAICS, but still.]

In the meantime I have concluded that having a submenu for it would
make sense, though.  At least from the clarity POV.