On 18.03.2020 13:11, David Woodhouse wrote:
> On Wed, 2020-03-18 at 11:03 +0100, Jan Beulich wrote:
>> On 17.03.2020 23:15, David Woodhouse wrote:
>>> On Thu, 2020-02-20 at 12:59 +0100, Jan Beulich wrote:
On 07.02.2020 19:04, David Woodhouse wrote:
>>>
>>> ASSERT((pg[i].count_info &
On Wed, 2020-03-18 at 11:03 +0100, Jan Beulich wrote:
> On 17.03.2020 23:15, David Woodhouse wrote:
> > On Thu, 2020-02-20 at 12:59 +0100, Jan Beulich wrote:
> > > On 07.02.2020 19:04, David Woodhouse wrote:
> >
> > ASSERT((pg[i].count_info & ~PGC_extra) == PGC_state_inuse ||
> >
On 18.03.2020 11:41, Paul Durrant wrote:
-Original Message-
From: Jan Beulich
Sent: 18 March 2020 10:10
To: p...@xen.org
Cc: 'David Woodhouse' ; sstabell...@kernel.org;
jul...@xen.org; w...@xen.org;
konrad.w...@oracle.com; george.dun...@eu.citrix.com; andrew.coop...@citrix.com;
> -Original Message-
> From: Jan Beulich
> Sent: 18 March 2020 10:10
> To: p...@xen.org
> Cc: 'David Woodhouse' ; sstabell...@kernel.org;
> jul...@xen.org; w...@xen.org;
> konrad.w...@oracle.com; george.dun...@eu.citrix.com;
> andrew.coop...@citrix.com;
> ian.jack...@eu.citrix.com;
On 18.03.2020 09:53, Paul Durrant wrote:
-Original Message-
From: Xen-devel On Behalf Of David
Woodhouse
Sent: 17 March 2020 22:15
On Thu, 2020-02-20 at 12:59 +0100, Jan Beulich wrote:
On 07.02.2020 19:04, David Woodhouse wrote:
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@
On 17.03.2020 23:15, David Woodhouse wrote:
On Thu, 2020-02-20 at 12:59 +0100, Jan Beulich wrote:
On 07.02.2020 19:04, David Woodhouse wrote:
ASSERT((pg[i].count_info & ~PGC_extra) == PGC_state_inuse ||
(pg[i].count_info & ~PGC_extra) == PGC_state_uninitialised);
@citrix.com;
> ian.jack...@eu.citrix.com;
> george.dun...@citrix.com; jeff.kubas...@dornerworks.com; Xia, Hongyan
> ;
> stewart.hildebr...@dornerworks.com; xen-devel@lists.xenproject.org
> Subject: Re: [Xen-devel] [PATCH 2/2] xen/mm: Introduce PG_state_uninitialised
>
> On Thu,
On Thu, 2020-02-20 at 12:59 +0100, Jan Beulich wrote:
> On 07.02.2020 19:04, David Woodhouse wrote:
> > --- a/xen/arch/x86/mm.c
> > +++ b/xen/arch/x86/mm.c
> > @@ -488,7 +488,8 @@ void share_xen_page_with_guest(struct page_info *page,
> > struct domain *d,
> >
> > page_set_owner(page, d);
Hi,
On 20/02/2020 11:59, Jan Beulich wrote:
On 07.02.2020 19:04, David Woodhouse wrote:
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -488,7 +488,8 @@ void share_xen_page_with_guest(struct page_info *page,
struct domain *d,
page_set_owner(page, d);
smp_wmb(); /* install
On 07.02.2020 19:04, David Woodhouse wrote:
> --- a/xen/arch/x86/mm.c
> +++ b/xen/arch/x86/mm.c
> @@ -488,7 +488,8 @@ void share_xen_page_with_guest(struct page_info *page,
> struct domain *d,
>
> page_set_owner(page, d);
> smp_wmb(); /* install valid domain ptr before updating
On Fri, 2020-02-07 at 17:06 +, David Woodhouse wrote:
> On 7 February 2020 16:40:01 GMT, "Xia, Hongyan" wrote:
> > On Fri, 2020-02-07 at 16:32 +, David Woodhouse wrote:
> > >
> > > ...
> > >
> > > Ideally not because init_heap_pages() then calls free_heap_pages()
> > > and the
On 7 February 2020 16:40:01 GMT, "Xia, Hongyan" wrote:
>On Fri, 2020-02-07 at 16:32 +, David Woodhouse wrote:
>>
>> ...
>>
>> Ideally not because init_heap_pages() then calls free_heap_pages()
>> and the "recursion" is best avoided.
>
>Kind of depends on where we change its pg to
On Fri, 2020-02-07 at 16:32 +, David Woodhouse wrote:
>
> ...
>
> Ideally not because init_heap_pages() then calls free_heap_pages()
> and the "recursion" is best avoided.
Kind of depends on where we change its pg to initialised. If we do that
in free_heap_pages this does recurse, but if it
On Fri, 2020-02-07 at 15:57 +, David Woodhouse wrote:
> From: David Woodhouse
>
> ...
>
> Finally, make free_xenheap_pages() and free_domheap_pages() call
> through to init_heap_pages() instead of directly to free_heap_pages()
> in the case where pages are being free which have never passed
On 7 February 2020 16:30:04 GMT, "Xia, Hongyan" wrote:
>On Fri, 2020-02-07 at 15:57 +, David Woodhouse wrote:
>> From: David Woodhouse
>>
>> ...
>>
>> Finally, make free_xenheap_pages() and free_domheap_pages() call
>> through to init_heap_pages() instead of directly to free_heap_pages()
From: David Woodhouse
It is possible for pages to enter general circulation without ever
being process by init_heap_pages().
For example, pages of the multiboot module containing the initramfs may
be assigned via assign_pages() to dom0 as it is created. And some code
including
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