On Fri, 2020-01-31 at 11:34:54 UTC, Christophe Leroy wrote: > Since commit b86fb88855ea ("powerpc/32: implement fast entry for > syscalls on non BOOKE") and commit 1a4b739bbb4f ("powerpc/32: > implement fast entry for syscalls on BOOKE"), syscalls from > kernel are unexpected and can have catastrophic consequences > as it will destroy the kernel stack. > > Test MSR_PR on syscall entry. In case syscall is from kernel, > emit a warning and return ENOSYS error. > > Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/9e27086292aa880921a0f2b8501e5189d5efcf03 cheers