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.pau@xxxxxxxxxx> >> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> >> Tested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> >> Cc: stable@xxxxxxxxxxxxxxx # >= 4.18 >> Link: https://lore.kernel.org/r/20210112115358.23346-1-roger.pau@xxxxxxxxxx >> Signed-off-by: Juergen Gross <jgross@xxxxxxxx> >> --- >> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> >> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx >> --- >> 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? Thanks, ~Andrew
