[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v10 6/6] x86/ioreq server: Synchronously reset outstanding p2m_ioreq_server entries when an ioreq server unmaps.
On Sun, Apr 2, 2017 at 1:24 PM, Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx> wrote: > After an ioreq server has unmapped, the remaining p2m_ioreq_server > entries need to be reset back to p2m_ram_rw. This patch does this > synchronously by iterating the p2m table. > > The synchronous resetting is necessary because we need to guarantee > the p2m table is clean before another ioreq server is mapped. And > since the sweeping of p2m table could be time consuming, it is done > with hypercall continuation. > > Signed-off-by: Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx> Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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