On Tue, Jan 26, 2021 at 05:22:59PM +0000, Andrew Cooper wrote: > On 20/01/2021 11:03, Greg KH wrote: > > On Mon, Jan 18, 2021 at 03:04:26PM +0100, Roger Pau Monne wrote: > >> commit ef3a575baf53571dc405ee4028e26f50856898e7 upstream > >> > >> 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....@citrix.com> > >> Reviewed-by: Juergen Gross <jgr...@suse.com> > >> Tested-by: Andrew Cooper <andrew.coop...@citrix.com> > >> Cc: sta...@vger.kernel.org # >= 4.18 > >> Link: https://lore.kernel.org/r/20210112115358.23346-1-roger....@citrix.com > >> Signed-off-by: Juergen Gross <jgr...@suse.com> > >> --- > >> Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> > >> Cc: xen-devel@lists.xenproject.org > >> --- > >> drivers/xen/privcmd.c | 25 +++++++++++++++++++------ > >> 1 file changed, 19 insertions(+), 6 deletions(-) > > Now queued up, thanks. > > Hello, > > The upstream version of this patch was queued against 5.4 and 4.19, both > of which suffered a patch conflict, and are fixed by this version. > > Was it an oversight that this version didn't get queued for 4.19?
It does not apply cleanly there, if you provide a working backport, I will be glad to apply it. thanks, greg k-h
