From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Ingo Molnar <mingo@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Dmitry Vyukov <dvyukov@google.com>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>, netdev <netdev@vger.kernel.org>,
bpf <bpf@vger.kernel.org>, Kees Cook <keescook@chromium.org>,
Florian Weimer <fw@deneb.enyo.de>,
syzbot+83aa762ef23b6f0d1991@syzkaller.appspotmail.com,
syzbot+d29e58bb557324e55e5e@syzkaller.appspotmail.com,
Matt Mullins <mmullins@mmlx.us>
Subject: Re: [for-next][PATCH 14/15] tracepoint: Do not fail unregistering a probe due to memory failure
Date: Wed, 3 Feb 2021 18:05:01 +0100 [thread overview]
Message-ID: <YBrXvQHJX1HXLvdf@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210203160550.710877069@goodmis.org>
On Wed, Feb 03, 2021 at 11:05:31AM -0500, Steven Rostedt wrote:
> [ Note, this version does use undefined compiler behavior (assuming that
> a stub function with no parameters or return, can be called by a location
> that thinks it has parameters but still no return value. Static calls
> do the same thing, so this trick is not without precedent.
Specifically it relies on the C ABI being caller cleanup. CDECL is that.
next prev parent reply other threads:[~2021-02-03 17:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-03 16:05 [for-next][PATCH 00/15] tracing: Updates for 5.12 Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 01/15] tracing: Add printf attribute to log function Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 02/15] tracing: Update trace_ignore_this_task() kernel-doc comment Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 03/15] tracing: Remove get/put_cpu() from function_trace_init Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 04/15] ring-buffer: Remove cpu_buffer argument from the rb_inc_page() Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 05/15] ring-buffer: Drop unneeded check in ring_buffer_resize() Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 07/15] tracing: Inline tracing_gen_ctx_flags() Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 08/15] tracing: Use in_serving_softirq() to deduct softirq status Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 09/15] tracing: Remove NULL check from current in tracing_generic_entry_update() Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 10/15] tracing: Fix spelling mistake in Kconfig "infinit" -> "infinite" Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 11/15] tracing: Fix spelling of controlling in uprobes Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 12/15] tracing: Fix a kernel doc warning Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 13/15] tracing: Remove definition of DEBUG in trace_mmiotrace.c Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 14/15] tracepoint: Do not fail unregistering a probe due to memory failure Steven Rostedt
2021-02-03 17:05 ` Peter Zijlstra [this message]
2021-02-03 17:09 ` Peter Zijlstra
2021-02-03 17:23 ` Steven Rostedt
2021-02-03 17:57 ` Mathieu Desnoyers
2021-02-04 16:50 ` Steven Rostedt
2021-02-03 17:57 ` [PATCH 1/1] tracepoint: cleanup: do not fail unregistration Mathieu Desnoyers
2021-02-04 17:47 ` Steven Rostedt
2021-02-03 16:05 ` [for-next][PATCH 15/15] kernel: trace: preemptirq_delay_test: add cpu affinity Steven Rostedt
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