From: Peter Zijlstra <peterz@infradead.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: linux-toolchains@vger.kernel.org,
clang-built-linux <clang-built-linux@googlegroups.com>,
Steven Rostedt <rostedt@goodmis.org>,
"Jose E. Marchesi" <jemarch@gnu.org>,
Kees Cook <keescook@chromium.org>,
Florian Weimer <fweimer@redhat.com>,
Christian Brauner <christian.brauner@canonical.com>,
nick.alcock@oracle.com,
Segher Boessenkool <segher@kernel.crashing.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Will Deacon <will@kernel.org>,
andrew.cooper3@citrix.com
Subject: Re: Plumbers CF MCs
Date: Tue, 23 Mar 2021 09:45:51 +0100 [thread overview]
Message-ID: <YFmqv1kZocZf6Kay@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <YFmoPpb5w4q1dWXz@hirez.programming.kicks-ass.net>
On Tue, Mar 23, 2021 at 09:35:10AM +0100, Peter Zijlstra wrote:
> There's the endless UB debate... can we define more to reduce the UB? I
> mean, we're already bound by architecture ABI on the one hand, and
> actual use on the other. It would be so very nice to be able to get more
> -fwrapv and -fno-strict-aliasing knobs that define UBs away.
One that might be nice is -fcdecl that tells the compiler about the
calling convention and gives us leaway to abuse function pointers (like
we already do anyway).
next prev parent reply other threads:[~2021-03-23 8:48 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-22 20:23 Plumbers CF MCs Nick Desaulniers
2021-03-22 20:39 ` Jose E. Marchesi
2021-03-31 19:34 ` Elena Zannoni
2021-03-31 20:36 ` Nick Desaulniers
2021-04-01 7:59 ` Jose E. Marchesi
2021-04-01 20:01 ` Nick Desaulniers
2021-04-01 13:29 ` Steven Rostedt
2021-04-01 13:31 ` Steven Rostedt
2021-04-01 13:49 ` Elena Zannoni
2021-04-01 15:11 ` Miguel Ojeda
2021-04-01 20:11 ` Nick Desaulniers
2021-04-01 13:25 ` Steven Rostedt
2021-04-01 13:25 ` Steven Rostedt
2021-03-23 8:35 ` Peter Zijlstra
2021-03-23 8:45 ` Peter Zijlstra [this message]
2021-03-23 19:29 ` Andrew Cooper
2021-03-23 19:53 ` Peter Zijlstra
2021-03-23 22:12 ` Peter Zijlstra
2021-03-24 0:36 ` Steven Rostedt
2021-03-24 8:15 ` Peter Zijlstra
2021-03-23 22:23 ` Andrew Cooper
2021-03-24 8:08 ` Peter Zijlstra
2021-03-24 11:30 ` Andrew Cooper
2021-04-02 12:40 ` Segher Boessenkool
2021-03-23 22:26 ` Nick Desaulniers
2021-03-24 7:52 ` Peter Zijlstra
2021-03-24 8:47 ` Christian Brauner
2021-03-30 14:13 ` Will Deacon
2021-04-01 7:17 ` Kees Cook
2021-04-02 12:33 ` Segher Boessenkool
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