Messages in this thread | | | Subject | Re: [PATCH v2] xen/privcmd: allow fetching resource sizes | From | Jürgen Groß <> | Date | Tue, 12 Jan 2021 13:17:32 +0100 |
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On 12.01.21 12:53, 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. > > This is missing from the initial implementation, and causes issues > when mapping resources that don't have fixed or known sizes. > > Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> > Cc: stable@vger.kernel.org # >= 4.18
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen [unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] | |