Hi Luis, On Friday 12 October 2012 16:49:31 Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxxxxxxxx> > > The UAPI changes split kernel API and userspace API > content onto two separate header files. The userspace > API drm content was moved to include/uapi/drm/ with the > same file name while kernel specific API content was > kept under include/drm/ with the same file name. When > one file was split into two files the kernel header > includes the uapi header and a UAPI prefix was added to > the uapi header for its header guard. When there was no > kernel API content found the uapi header file was the > only one that was kept and the original guard for the > header file was kept. In this particular case the > original users of this header file were not modified > and the uapi header file is expected to be picked up > by path. > > This may work well at compilation on the kernel but when > backporting this creates a few complexities. Could you please provide more details about those complexities ? > To help with > backporting [0] lets be explicit about the new uapi path > when there is no respective kernel API header file. For > more details on the UAPI changes see the lwn article on > this [1]. > > [0] https://backports.wiki.kernel.org > [1] http://lwn.net/Articles/507794/ > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: devel@xxxxxxxxxxxxxxxxxxxx > Cc: backports@xxxxxxxxxxxxxxx > > Cc: Rob Clark <rob@xxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Dave Jones <davej@xxxxxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: Ben Skeggs <bskeggs@xxxxxxxxxx> > Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> > Cc: David Howells <dhowells@xxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> > Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> > Cc: Alex Deucher <alexander.deucher@xxxxxxx> > Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx> -- Regards, Laurent Pinchart _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
