From: David Sterba <dsterba@suse.cz>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: linux-next: Tree for Dec 6 (objtool, lots in btrfs)
Date: Wed, 11 Dec 2019 14:49:29 +0100 [thread overview]
Message-ID: <20191211134929.GL3929@twin.jikos.cz> (raw)
In-Reply-To: <cd4091e4-1c04-a880-f239-00bc053f46a2@infradead.org>
On Fri, Dec 06, 2019 at 08:17:30AM -0800, Randy Dunlap wrote:
> On 12/5/19 6:54 PM, Stephen Rothwell wrote:
> > Hi all,
> >
> > Please do not add any material for v5.6 to your linux-next included
> > trees until after v5.5-rc1 has been released.
> >
> > Changes since 20191204:
> >
>
> on x86_64:
>
> fs/btrfs/ctree.o: warning: objtool: btrfs_search_slot()+0x2d4: unreachable instruction
Can somebody enlighten me what is one supposed to do to address the
warnings? Function names reported in the list contain our ASSERT macro
that conditionally calls BUG() that I believe is what could cause the
unreachable instructions but I don't see how.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/fs/btrfs/ctree.h#n3113
__cold
static inline void assfail(const char *expr, const char *file, int line)
{
if (IS_ENABLED(CONFIG_BTRFS_ASSERT)) {
pr_err("assertion failed: %s, in %s:%d\n", expr, file, line);
BUG();
}
}
#define ASSERT(expr) \
(likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
next prev parent reply other threads:[~2019-12-11 13:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 2:54 linux-next: Tree for Dec 6 Stephen Rothwell
2019-12-06 10:15 ` Geert Uytterhoeven
2019-12-06 12:43 ` Stephen Rothwell
2019-12-06 16:17 ` linux-next: Tree for Dec 6 (objtool, lots in btrfs) Randy Dunlap
2019-12-11 13:49 ` David Sterba [this message]
2019-12-11 16:21 ` Randy Dunlap
2019-12-12 18:47 ` Josh Poimboeuf
2019-12-12 20:25 ` Randy Dunlap
2019-12-13 23:03 ` Randy Dunlap
2019-12-13 23:50 ` Josh Poimboeuf
2019-12-14 0:04 ` Randy Dunlap
2019-12-14 5:45 ` Josh Poimboeuf
2019-12-14 7:05 ` Randy Dunlap
2019-12-17 15:25 ` David Sterba
2020-01-17 17:26 ` Josh Poimboeuf
2020-01-17 20:28 ` Marco Elver
2020-01-17 21:26 ` Josh Poimboeuf
2020-01-17 22:22 ` Josh Poimboeuf
2019-12-17 15:29 ` David Sterba
2020-01-10 19:46 ` David Sterba
2020-01-17 15:28 ` Josh Poimboeuf
2020-01-17 16:50 ` David Sterba
2020-01-17 17:03 ` Josh Poimboeuf
2020-01-20 15:52 ` Josh Poimboeuf
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