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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 28 Jun 2019 15:26:07 +0800
From:   Daniel Drake <>
To:     Thomas Gleixner <>,
        Ingo Molnar <>, Borislav Petkov <>
        Linux Upstreaming Team <>,
        Linux Kernel <>,
        "Wysocki, Rafael J" <>,
        Hans de Goede <>
Subject: Re: [PATCH] x86: skip PIT initialization on modern chipsets

Oops, please also add a reference to the main thread:

On Fri, Jun 28, 2019 at 3:23 PM Daniel Drake <> wrote:
> Detect modern setups where we have no need for the PIT (e.g. where
> we already know the TSC and LAPIC timer frequencies, so no need
> to calibrate them against the PIT), and skip initialization PIT in
> such cases.
> Skip the IO-APIC timer-checking code when we don't have a PIT
> to test against (this was causing the panic).


> Tested-by: Daniel Drake <>

Powered by blists - more mailing lists