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xen-devel
[Xen-devel] Re: [PATCH 0/5] Enable QEMU to handle more than 2GB with Xen
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.
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