From: Segher Boessenkool <segher@kernel.crashing.org>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/bug: Remove specific powerpc BUG_ON()
Date: Thu, 11 Feb 2021 05:50:59 -0600 [thread overview]
Message-ID: <20210211115059.GB28121@gate.crashing.org> (raw)
In-Reply-To: <1613036567.zvyupcz926.astroid@bobo.none>
On Thu, Feb 11, 2021 at 08:04:55PM +1000, Nicholas Piggin wrote:
> It would be nice if we could have a __builtin_trap_if that gcc would use
> conditional traps with, (and which never assumes following code is
> unreachable even for constant true, so we can use it with WARN and put
> explicit unreachable for BUG).
It automatically does that with just __builtin_trap, see my other mail :-)
Segher
next prev parent reply other threads:[~2021-02-11 12:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-11 7:41 [PATCH] powerpc/bug: Remove specific powerpc BUG_ON() Christophe Leroy
2021-02-11 10:04 ` Nicholas Piggin
2021-02-11 11:50 ` Segher Boessenkool [this message]
2021-02-11 22:47 ` Nicholas Piggin
2021-02-11 12:22 ` Segher Boessenkool
2021-02-11 11:49 ` Segher Boessenkool
2021-02-11 12:26 ` Christophe Leroy
2021-02-11 12:39 ` Segher Boessenkool
2021-02-11 14:09 ` Christophe Leroy
2021-02-11 14:30 ` Segher Boessenkool
2021-02-11 15:30 ` Christophe Leroy
2021-02-27 10:31 ` Christophe Leroy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210211115059.GB28121@gate.crashing.org \
--to=segher@kernel.crashing.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=npiggin@gmail.com \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).