From: Sebastian Ott <sebott@linux.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>,
Sebastian Ott <sebott@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Uecker <Martin.Uecker@med.uni-goettingen.de>,
Ingo Molnar <mingo@kernel.org>,
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Subject: Re: [bisected] 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 oopses on s390
Date: Mon, 9 Apr 2018 19:11:00 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.21.1804091909270.1698@schleppi> (raw)
In-Reply-To: <CA+55aFw1MoQ=7=U6QCGXAAiCniMKy8_igxgc8sMLykSRcDk-0g@mail.gmail.com>
On Mon, 9 Apr 2018, Linus Torvalds wrote:
> On Mon, Apr 9, 2018 at 9:18 AM, Sebastian Ott <sebott@linux.ibm.com> wrote:
> >
> > Both of the following return 0 on my machine:
> > + pr_warn("%u\n", min_not_zero(100, 1000));
> > + pr_warn("%u\n", min_not_zero(1000, 100));
>
> Oooh.
>
> [ Raises hand, and says "I know, I know, pick me, pick me" ]
>
> min_not_zero() hasinternal variables "__x" and "__y".
>
> And "__cmp_once()" has internal variables "__x" and "__y".
Argh....so obvious now :-)
When I change these it works.
Sebastian
next prev parent reply other threads:[~2018-04-09 17:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-06 9:47 [bisected] 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 oopses on s390 Sebastian Ott
2018-04-06 16:47 ` Kees Cook
2018-04-06 18:02 ` Kees Cook
2018-04-06 18:10 ` Sebastian Ott
2018-04-09 16:18 ` Sebastian Ott
2018-04-09 17:00 ` Sebastian Ott
2018-04-09 17:03 ` Linus Torvalds
2018-04-09 17:11 ` Sebastian Ott [this message]
2018-04-09 17:15 ` Linus Torvalds
2018-04-09 17:14 ` Linus Torvalds
2018-04-09 17:27 ` Sebastian Ott
2018-04-09 17:32 ` Linus Torvalds
2018-04-09 18:00 ` Kees Cook
2018-04-09 18:17 ` Linus Torvalds
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