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Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero prec
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From: |
Andrea Arcangeli |
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Subject: |
Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages |
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Date: |
Thu, 27 Apr 2017 15:47:07 +0200 |
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User-agent: |
Mutt/1.8.2 (2017-04-18) |
On Thu, Apr 27, 2017 at 08:44:03AM +0200, Christian Borntraeger wrote:
> I have started instrumenting the kernel. I can see a set_pte_at for this
> address
> and I see an (to be understood) invalidation shortly after that which explains
> why I get a fault.
Sounds great that you can see an invalidation shortly after, that is
the real source of the problem. Can you get a stack trace of such
invalidation?
Thanks!
Andrea
- [Qemu-devel] [PATCH 0/2] Postcopy fix and traces, Dr. David Alan Gilbert (git), 2017/04/26
- [Qemu-devel] [PATCH 2/2] migration: Extra tracing, Dr. David Alan Gilbert (git), 2017/04/26
- [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert (git), 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Andrea Arcangeli, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Peter Xu, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/27
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages,
Andrea Arcangeli <=
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/28
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert, 2017/04/28
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/26
Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Juan Quintela, 2017/04/26