Re: [GIT pull] x86/timers updates for 4.13
From: Thomas Gleixner
Date: Tue Jul 04 2017 - 03:27:29 EST
On Mon, 3 Jul 2017, Linus Torvalds wrote:
> On Mon, Jul 3, 2017 at 1:20 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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.
Yes. Thank you for fixing it up!