RE: [PATCH] vfio/type1: Cleanup remaining vaddr removal/update fragments

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> From: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Sent: Thursday, December 8, 2022 5:45 AM
> 
> Fix several loose ends relative to reverting support for vaddr removal
> and update.  Mark feature and ioctl flags as deprecated, restore local
> variable scope in pin pages, remove remaining support in the mapping
> code.
> 
> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
> ---
> 
> This applies on top of Steve's patch[1] to fully remove and deprecate
> this feature in the short term, following the same methodology we used
> for the v1 migration interface removal.  The intention would be to pick
> Steve's patch and this follow-on for v6.2 given that existing support
> exposes vulnerabilities and no known upstream userspaces make use of
> this feature.
> 
> [1]https://lore.kernel.org/all/1670363753-249738-2-git-send-email-
> steven.sistare@xxxxxxxxxx/
> 

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

btw given the exposure and no known upstream usage should this be
also pushed to stable kernels?




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