On Thu, Dec 03, 2020 at 02:25:21PM +0000, Paul Durrant wrote: > From: Paul Durrant <pdurr...@amazon.com> > > Use of this function is a very inefficient way to check whether a device > has already been assigned. > > This patch adds code that saves the domain id in xenstore at the point of > assignment, and removes it again when the device id de-assigned (or the > domain is destroyed). It is then straightforward to check whether a device > has been assigned by checking whether a device has a saved domain id. > > NOTE: To facilitate the xenstore check it is necessary to move the > pci_info_xs_read() earlier in libxl_pci.c. To keep related functions > together, the rest of the pci_info_xs_XXX() functions are moved too. > > Signed-off-by: Paul Durrant <pdurr...@amazon.com> > Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com>
Acked-by: Wei Liu <w...@xen.org>
