On 3/13/19 5:40 AM, Paolo Bonzini wrote: > Because safe-syscall.S does not go through the C compiler, the > .note.gnu.property note has to be added manually. Safe syscalls do not > involve any indirect branch or stack unwinding, so they are trivially > safe for IBT or shadow stacks. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > linux-user/host/i386/safe-syscall.inc.S | 19 +++++++++++++++++++ > linux-user/host/x86_64/safe-syscall.inc.S | 19 +++++++++++++++++++ > 2 files changed, 38 insertions(+)
I suppose it's not worth trying to share these 19 lines... Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
