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Groups > linux.kernel > #1680630

Re: [GIT pull] x86/timers updates for 4.13

From Linus Torvalds <torvalds@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [GIT pull] x86/timers updates for 4.13
Date 2017-07-04 03:10 +0200
Message-ID <tZkvN-11P-13@gated-at.bofh.it> (permalink)
References <tZ4U2-6WV-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Jul 3, 2017 at 1:20 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
>
> This update contains:
>
>    - The final solution for the TSC deadline timer borkage, which is caused
>      by a hardware problem in the TSC_ADJUST/TSC_DEADLINE_TIMER logic.
>
>      The problem is documented now fixed with a microcode update, so we can
>      remove the workaround and check for the microcode version. If the
>      microcode is not up to date, then the TSC deadline timer is
>      enabled. If the borkage is fixed by the proper micro code version,
>      then the deadline timer can be used. In both cases the restrictions to
>      the range of the TSC_ADJUST value, which were added as workarounds,
>      are removed.
>
>   - A few simple fixes and updates to the timer related x86 code.

That deadline timer explanation made no sense.

I edited it to what I think you wanted to say in the commit message.

               Linus

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Re: [GIT pull] x86/timers updates for 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-04 03:10 +0200
  Re: [GIT pull] x86/timers updates for 4.13 Thomas Gleixner <tglx@linutronix.de> - 2017-07-04 09:30 +0200

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