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xen-devel
[Xen-devel] Re: [PATCH 0/5] Enable QEMU to handle more than 2GB with Xen
On 15.07.2011, at 19:05, Stefano Stabellini wrote:
> On Fri, 15 Jul 2011, Anthony PERARD wrote:
>> Hi all,
>>
>> Xen is not limited by the QEMU's virtual address space for the allocation of
>> the guest RAM. So even with a QEMU 32bits, a Xen guest can have more than 4
>> GB
>> of RAM.
>>
>> With this serie, we will be able to run a guest with more than 4GB. The main
>> point is to change ram_addr_t from ulong to uin64 when QEMU is configure with
>> Xen. The second point is better register the memory in QEMU.
>>
>> Regards,
>>
>>
>> Anthony PERARD (5):
>> xen: Fix xen_enabled().
>> exec.c: Use ram_addr_t in cpu_physical_memory_rw(...).
>> cpu-common: Have a ram_addr_t of uint64 with Xen.
>> xen: Fix the memory registration to reflect of what is done by Xen.
>> vl.c: Check the asked ram_size later.
>>
>> cpu-common.h | 8 ++++++++
>> exec.c | 13 +++++++------
>> hw/xen.h | 2 +-
>> vl.c | 14 ++++++++------
>> xen-all.c | 23 +++++++++++++++--------
>> 5 files changed, 39 insertions(+), 21 deletions(-)
>
> All the patches look good to me, just a comment on the 4th patch.
I included patches 1 and 2 in xen-next. 3 and 4 are in discussion and 5 should
only be applied when the others are in :)
Alex
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