Re: [PATCH v11 09/20] x86/virt/tdx: Use all system memory when initializing TDX module as TDX memory

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On Wed, 2023-06-07 at 08:48 -0700, Dave Hansen wrote:
> On 6/4/23 07:27, Kai Huang wrote:
> > As a step of initializing the TDX module, the kernel needs to tell the
> > TDX module which memory regions can be used by the TDX module as TDX
> > guest memory.
> ...
> > Signed-off-by: Kai Huang <kai.huang@xxxxxxxxx>
> > Reviewed-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
> > Reviewed-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
> 
> This is rather short on reviews from folks who do a lot of memory
> hotplug work.  Partly because I don't see any of them cc'd.

David and Kirill are Cc'ed :) linux-mm list is Cc'ed too.

> 
> Can you wrangle some mm reviews on this, please?

Yes in v8 I followed your suggestion to ask Cc MM people (David/Oscar/Andrew) to
take a look, and David said it looked good to him.

https://lore.kernel.org/lkml/cover.1670566861.git.kai.huang@xxxxxxxxx/T/#mffb978d157c99da598d6354d55650952c425c6fd

I then removed Oscar and Andrew from Cc list since this patch doesn't touch
core-MM memory hotplug but only uses memory notifier.

I'll ask Kirill to help to review.

Hi David,

I appreciate if you could give your Acked-by or Reviewed-by if this patch looks
good to you? Thanks :)

> 
> For the x86 side (and <sigh> because this patch probably took two years
> to coalesce <double sigh>):
> 
> Reviewed-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

Thanks!




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