On Fri, Jan 05, 2018 at 06:12:23PM -0800, Tim Chen wrote: > From: David Woodhouse <d...@amazon.co.uk> > > We are impervious to the indirect branch prediction attack with retpoline > but firmware won't be, so we still need to set IBRS to protect > firmware code execution when calling into firmware at runtime. > > Signed-off-by: David Woodhouse <d...@amazon.co.uk> > Signed-off-by: Tim Chen <tim.c.c...@linux.intel.com> > --- > arch/x86/include/asm/apm.h | 6 ++++++ > arch/x86/include/asm/efi.h | 17 +++++++++++++-- > arch/x86/include/asm/spec_ctrl.h | 3 +++ > arch/x86/kernel/cpu/spec_ctrl.c | 45 > ++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 69 insertions(+), 2 deletions(-)
The files that Alan pointed out as being missed in the last version of this patch don't seem to be updated here either :( thanks, greg k-h