Re: [tip:x86/urgent] x86/mm/kmmio: Fix mmiotrace for page unaligned addresses

[Ingo Molnar <mingo@xxxxxxxxxx>]

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Tue, Dec 12, 2017 at 02:55:30AM -0800, tip-bot for Karol Herbst wrote:
> > Commit-ID:  6d60ce384d1d5ca32b595244db4077a419acc687
> > Gitweb:     https://git.kernel.org/tip/6d60ce384d1d5ca32b595244db4077a419acc687
> > Author:     Karol Herbst <kherbst@xxxxxxxxxx>
> > AuthorDate: Mon, 27 Nov 2017 08:51:39 +0100
> > Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
> > CommitDate: Mon, 11 Dec 2017 15:35:18 +0100
> > 
> > x86/mm/kmmio: Fix mmiotrace for page unaligned addresses
> 
> OK, let me hijack this thread since apparently people use and care about
> mmiotrace.
> 
> I was recently auditing the x86 tlb flushing and ran across this
> 'thing'. Can someone please explain to me how this is supposed to work
> and how its not completely broken?

(I have Cc:-ed other gents as well.)

Thanks,

	Ingo
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