Re: [BACKPORT 4.4.y 02/25] ALSA: compress: add support for 32bit calls in a 64bit kernel

On Fri, Mar 22, 2019 at 04:43:53PM +0100, Arnd Bergmann wrote:

From: Ravindra Lokhande rlokhande@nvidia.com

Compress offload does not support ioctl calls from a 32bit userspace in a 64 bit kernel. This patch adds support for ioctls from a 32bit userspace in a 64bit kernel

Signed-off-by: Ravindra Lokhande rlokhande@nvidia.com Acked-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Takashi Iwai tiwai@suse.de (cherry picked from commit c10368897e104c008c610915a218f0fe5fa4ec96) Signed-off-by: Arnd Bergmann arnd@arndb.de

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sound/core/compress_offload.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)

How is this not a "new feature"? What bug does this fix? Has this ever worked in the past?

thanks,

greg k-h