On Wed, May 15, 2019 at 02:22:06PM +0930, Joel Stanley wrote: > This fixes a build break introduced in with the recent round of CPU > bug patches. > > arch/powerpc/kernel/security.c: In function ‘setup_barrier_nospec’: > arch/powerpc/kernel/security.c:59:21: error: implicit declaration of > function ‘cpu_mitigations_off’ [-Werror=implicit-function-declaration] > if (!no_nospec && !cpu_mitigations_off()) > ^~~~~~~~~~~~~~~~~~~ > > Fixes: 782e69efb3df ("powerpc/speculation: Support 'mitigations=' cmdline option") > Signed-off-by: Joel Stanley <joel@xxxxxxxxx> > --- > This should be applied to the 4.14 and 4.19 trees. There is no issue > with 5.1. The commit message contains a fixes line for the commit in > Linus tree. > --- > arch/powerpc/kernel/security.c | 1 + > 1 file changed, 1 insertion(+) Isn't this just commit 42e2acde1237 ("powerpc/64s: Include cpu header")? thanks, greg k-h