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Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_c
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue |
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Date: |
Thu, 9 Aug 2018 17:03:52 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 09/08/2018 16:55, Olaf Hering wrote:
>
>> I think the simplest fix is for the map
>> cache to set aside a zero page and return it whenever it is asked for a
>> ballooned page.
> Can qemu actually know if it ran into a ballooned page? I think no.
Well, xen_map_cache knows that it has run into *something like* a
ballooned page when it returns NULL. :)
Paolo
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- [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/13
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/14
Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, no-reply, 2018/08/15