On Tue, Mar 02, 2021 at 04:02:22PM +0800, YunQiang Su wrote: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.12-rc1&id=2347961b11d4079deace3c81dceed460c08a8fc1 > This patch can be apply to 5.10 and 5.11 directly. > > binfmt_misc: pass binfmt_misc flags to the interpreter > > It can be useful to the interpreter to know which flags are in use. > > For instance, knowing if the preserve-argv[0] is in use would allow to > skip the pathname argument. > > This patch uses an unused auxiliary vector, AT_FLAGS, to add a flag to > inform interpreter if the preserve-argv[0] is enabled. > > Note by Helge Deller: > The real-world user of this patch is qemu-user, which needs to know if > it has to preserve the argv[0]. See Debian bug #970460. > > Signed-off-by: Laurent Vivier <laurent@xxxxxxxxx> > Reviewed-by: YunQiang Su <ysu@xxxxxxxxxxxx> > URL: http://bugs.debian.org/970460 > Signed-off-by: Helge Deller <deller@xxxxxx> This feels like a new feature, how does it fit with the stable kernel rules? thanks, greg k-h
