On 25/02/16 01:28, Michael Ellerman wrote: > is_early_mcount_callsite() needs to detect either the two instruction or > the three instruction versions of the _mcount() sequence. > > But if we're running a kernel with the two instruction sequence, we need > to be careful not to read instruction - 2, otherwise we might fall off > the front of a page and cause an oops. > > While we're here convert to bool to make the return semantics clear. > > Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > --- > arch/powerpc/kernel/module_64.c | 30 ++++++++++++++---------------- > 1 file changed, 14 insertions(+), 16 deletions(-) > > Squash. > > Do we even need to do this anymore? Balbir Singh. -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
