On Thu 2014-12-18 09:49:35, Josh Poimboeuf wrote: > On Thu, Dec 18, 2014 at 08:55:21PM +0900, Masami Hiramatsu wrote: > > (2014/12/17 2:58), Seth Jennings wrote: > > > changes in v7: > > > - TODO: set IPMODIFY (not a blocker to moving forward) > > > > Why don't you set this? > > IPMODIFY series are not completely applied yet, but you can already > > use the flag. All you need is just set it :) > > Yeah, I don't see any reason why we can't start using this flag now. > How about we add this patch to the queue? > > -->8-- > > Subject: livepatch: use FTRACE_OPS_FL_IPMODIFY > > Use the FTRACE_OPS_FL_IPMODIFY flag to prevent conflicts with other > ftrace users who also modify regs->ip. > > Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> It makes sense. The flag is available even in 3.19. Reviewed-by: Petr Mladek <pmladek@xxxxxxx> > --- > kernel/livepatch/core.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c > index 0004a71..bdd99975 100644 > --- a/kernel/livepatch/core.c > +++ b/kernel/livepatch/core.c > @@ -640,7 +640,8 @@ static int klp_init_func(struct klp_object *obj, struct klp_func *func) > > ops->private = func; > ops->func = klp_ftrace_handler; > - ops->flags = FTRACE_OPS_FL_SAVE_REGS | FTRACE_OPS_FL_DYNAMIC; > + ops->flags = FTRACE_OPS_FL_SAVE_REGS | FTRACE_OPS_FL_DYNAMIC | > + FTRACE_FL_IPMODIFY; > func->fops = ops; > func->state = KLP_DISABLED; > > -- > 2.1.0 > -- 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
