On Thu, Feb 15, 2018 at 04:16:56PM +0100, Arnd Bergmann wrote: > I ran into a 4.9 build regression in randconfig testing, starting with the > KAISER patches: > > arch/x86/mm/kaiser.c: In function 'kaiser_init': > arch/x86/mm/kaiser.c:347:8: error: 'vsyscall_pgprot' undeclared (first use in this function); did you mean 'massage_pgprot'? > > This is easy enough to fix, we just need to make the declaration visible > outside of the #ifdef. This works because the code using it is optimized > away when vsyscall_enabled() returns false at compile time. > > Fixes: 9a0be5afbfbb ("vsyscall: Fix permissions for emulate mode with KAISER/PTI") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > arch/x86/include/asm/vsyscall.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Thanks for these, I'll queue them up in the next round after these kernels get released in a few days. greg k-h