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RE: [PATCH 2/2] xen/arm: Handle reserved heap pages in boot and heap allocator
- To: Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Wei Chen <Wei.Chen@xxxxxxx>
- Date: Fri, 2 Sep 2022 09:49:55 +0000
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- Cc: Henry Wang <Henry.Wang@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Fri, 02 Sep 2022 09:50:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH 2/2] xen/arm: Handle reserved heap pages in boot and heap allocator
Hi Julien,
> -----Original Message-----
> From: Julien Grall <julien@xxxxxxx>
> Sent: 2022年9月2日 16:05
> To: Wei Chen <Wei.Chen@xxxxxxx>; Stefano Stabellini
> <sstabellini@xxxxxxxxxx>
> Cc: Henry Wang <Henry.Wang@xxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx;
> Bertrand Marquis <Bertrand.Marquis@xxxxxxx>; Volodymyr Babchuk
> <Volodymyr_Babchuk@xxxxxxxx>
> Subject: Re: [PATCH 2/2] xen/arm: Handle reserved heap pages in boot and
> heap allocator
>
> Hi Wei,
>
> On 02/09/2022 04:07, Wei Chen wrote:
> >
> >
> >> -----Original Message-----
> >> From: Xen-devel <xen-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Wei
> >> Chen
> >> Sent: 2022年9月2日 11:03
> >> To: Stefano Stabellini <sstabellini@xxxxxxxxxx>; Julien Grall
> >> <julien@xxxxxxx>
> >> Cc: Henry Wang <Henry.Wang@xxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx;
> >> Bertrand Marquis <Bertrand.Marquis@xxxxxxx>; Volodymyr Babchuk
> >> <Volodymyr_Babchuk@xxxxxxxx>
> >> Subject: RE: [PATCH 2/2] xen/arm: Handle reserved heap pages in boot
> and
> >> heap allocator
> >>
> >> Hi Julien and Stefano,
> >>
> >>> -----Original Message-----
> >>> From: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> >>> Sent: 2022年9月2日 9:51
> >>> To: Julien Grall <julien@xxxxxxx>
> >>> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>; Henry Wang
> >>> <Henry.Wang@xxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx; Bertrand Marquis
> >>> <Bertrand.Marquis@xxxxxxx>; Wei Chen <Wei.Chen@xxxxxxx>; Volodymyr
> >> Babchuk
> >>> <Volodymyr_Babchuk@xxxxxxxx>
> >>> Subject: Re: [PATCH 2/2] xen/arm: Handle reserved heap pages in boot
> and
> >>> heap allocator
> >>>
> >>> On Thu, 1 Sep 2022, Julien Grall wrote:
> >>>> Hi Stefano,
> >>>
> >>
> >>> In any case, I think we can postpone to after the release.
> >
> > Maybe we can add some notes to say that this feature is still
> > experimental in EFI + DTS boot?
>
> Why EFI + DTS only? Regardless the discussion about how to properly
> checking the region, I think this wants to be a tech preview.
>
I had thought something like uboot + dts will not have reserved memory
regions like EFI runtime services. But I forgot uboot also will have
some address to load Xen and DTB. In this case, Xen still need to check
relocation addresses with static heap. So you're right, I agree with you.
Cheers,
Wei Chen.
> Cheers,
>
> --
> Julien Grall
|
