Re: [PATCH 10/18] cxl/region: Fix passthrough-decoder detection

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Greg KH wrote:
> On Sun, Feb 05, 2023 at 05:03:24PM -0800, Dan Williams wrote:
> > A passthrough decoder is a decoder that maps only 1 target. It is a
> > special case because it does not impose any constraints on the
> > interleave-math as compared to a decoder with multiple targets. Extend
> > the passthrough case to multi-target-capable decoders that only have one
> > target selected. I.e. the current code was only considering passthrough
> > *ports* which are only a subset of the potential passthrough decoder
> > scenarios.
> > 
> > Fixes: e4f6dfa9ef75 ("cxl/region: Fix 'distance' calculation with passthrough ports")
> > Cc: <stable@xxxxxxxxxxxxxxx>
> > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> 
> If a patch really is a "fix" that needs to go to stable kernels, why is
> it commit 10 out of 18?  Why isn't it going to Linus now for inclusion
> in 6.2-final?  Does it depend on the 9 earlier patches in this series?

In this case the urgency is low since the only environment known to
produce this configuration is QEMU. However, there's now a more
important CXL fix pending for this week, so this one can tag along.



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