Messages in this thread | | | Date | Tue, 30 Jan 2007 11:25:56 +0530 | From | Ananth N Mavinakayanahalli <> | Subject | Re: [PATCH] kprobes: Fix compiler warning |
| |
On Mon, Jan 29, 2007 at 11:43:33PM -0600, Kumar Gala wrote: > On ppc the compiler gripes about: > > kernel/kprobes.c: In function 'collect_garbage_slots': > kernel/kprobes.c:215: warning: comparison is always false due to limited > range of data type > > The compiler ends up optimizing away the test since char's are unsigned on > ppc.
Kumar,
Masami fixed this last week:
http://marc.theaimsgroup.com/?l=linux-kernel&m=116968723823366&w=2
Patch currently in -mm.
Thanks, Ananth
> > Signed-off-by: Kumar Gala <galak@kernel.crashing.org> > > --- > commit 1ee2dc5300b1c454f92eeea82da300f72db1b26f > tree c73cdacb43e154292708d967e11b1cbf7ab4904f > parent c0d4d573feed199b16094c072e7cb07afb01c598 > author Kumar Gala <galak@kernel.crashing.org> Mon, 29 Jan 2007 23:38:11 > -0600 > committer Kumar Gala <galak@kernel.crashing.org> Mon, 29 Jan 2007 23:38:11 > -0600 > > kernel/kprobes.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/kernel/kprobes.c b/kernel/kprobes.c > index 17ec4af..514276f 100644 > --- a/kernel/kprobes.c > +++ b/kernel/kprobes.c > @@ -212,7 +212,7 @@ static int __kprobes collect_garbage_slots(void) > continue; > kip->ngarbage = 0; /* we will collect all garbages */ > for (i = 0; i < INSNS_PER_PAGE; i++) { > - if (kip->slot_used[i] == -1 && > + if (kip->slot_used[i] == (char)-1 && > collect_one_slot(kip, i)) > break; > } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |