Hi, On 16/11/17 13:12, Greg KH wrote: > On Thu, Nov 16, 2017 at 11:57:27AM +0000, James Cowgill wrote: >> Hi, >> >> Is it possible to apply this commit to the stable trees before 4.12? >> >> commit 47b2c3fff4932e6fc17ce13d51a43c6969714e20 >> Author: Bilal Amarni <bilal.amarni@xxxxxxxxx> >> Date: Thu Jun 8 14:47:26 2017 +0100 >> >> security/keys: add CONFIG_KEYS_COMPAT to Kconfig >> >> In commit 20f06ed9f61a ("KEYS: 64-bit MIPS needs to use >> compat_sys_keyctl for 32-bit userspace"), the keyctl syscall for 32-bit >> MIPS was "fixed" to point at compat_sys_keyctl instead of sys_keyctl. >> Unfortunately this caused the syscall to always return ENOSYS because >> CONFIG_KEYS_COMPAT was not enabled on MIPS. Instead of fixing this by >> manually by enabling KEYS_COMPAT in the MIPS Kconfig, I think applying >> the above commit is a better. > > Sounds resonable, but how far back should it go? 4.9 makes sense, but > stuff older than that? 4.4? 4.1? 3.16? I'm most interested in 4.9, but I think it should go in all versions which have 20f06ed9f61a applied, which includes all the current longterm kernels as far as I can see. Thanks, James