On Tue, Jan 12, 2021 at 06:57:30AM +0100, Jürgen Groß wrote: > On 11.01.21 16:29, Roger Pau Monne wrote: > > Allow issuing an IOCTL_PRIVCMD_MMAP_RESOURCE ioctl with num = 0 and > > addr = 0 in order to fetch the size of a specific resource. > > > > Add a shortcut to the default map resource path, since fetching the > > size requires no address to be passed in, and thus no VMA to setup. > > > > Fixes: 3ad0876554caf ('xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE') > > I don't think this addition is a reason to add a "Fixes:" tag. This is > clearly new functionality.
It could be argued that not allowing to query the resource size was a shortcoming of the original implementation, but a backport request to stable would be more appropriate than a fixes tag I think. Will drop on next version and add a backport request if you agree. Thanks, Roger.