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0x8000000000000000ull
2020 Oct 01
0
[PATCH v2 0/2] vhost: Skip access checks on GIOVAs
...point. Adding a second patch to fix that anyway.
>
> Note that I've also posted a patch for QEMU so that it skips the used
> structure GIOVA when allocating the log bitmap. Otherwise QEMU fails to
> allocate it because POWER puts GIOVAs very high in the address space (ie.
> over 0x800000000000000ULL).
>
> https://patchwork.ozlabs.org/project/qemu-devel/patch/160105498386.68108.2145229309875282336.stgit at bahia.lan/
I queued this. Jason, can you ack please?
> v2:
> - patch 1: move the (vq->ioltb) check from vhost_vq_access_ok() to
> vq_access_ok() as suggested...