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SubjectRe: [RFC PATCH 2/9] cxl/acpi: add OSC support
On Mon, Nov 16, 2020 at 10:00 AM Jonathan Cameron
<Jonathan.Cameron@huawei.com> wrote:
>
> On Tue, 10 Nov 2020 21:43:49 -0800
> Ben Widawsky <ben.widawsky@intel.com> wrote:
>
> > From: Vishal Verma <vishal.l.verma@intel.com>
> >
> > Add support to advertise OS capabilities, and request OS control for CXL
> > features using the ACPI _OSC mechanism. Advertise support for all
> > possible CXL features, and attempt to request control too for all
> > possible features.
> >
> > Based on a patch by Sean Kelley.
> >
> > Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
> > Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
>
> I guess unsurprisingly a lot of this is cut and paste from PCIe
> so can we share some of the code?
>

I do not see a refactoring effort for these bit being all that
fruitful. The backport pressure for this driver stack I expect will be
higher than most, so I'm sensitive to avoiding unnecessary core
entanglements.

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