From: Steven Rostedt <rostedt@goodmis.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>,
"Zhuo, Qiuxu" <qiuxu.zhuo@intel.com>,
"mchehab+huawei@kernel.org" <mchehab+huawei@kernel.org>,
"Luck, Tony" <tony.luck@intel.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linmiaohe@huawei.com" <linmiaohe@huawei.com>,
"xieyuanbin1@huawei.com" <xieyuanbin1@huawei.com>,
"Lai, Yi1" <yi1.lai@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-trace-kernel@vger.kernel.org"
<linux-trace-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: mm/memory-failure tracepoint change breaks userspace rasdaemon
Date: Wed, 3 Jun 2026 15:30:12 -0400 [thread overview]
Message-ID: <20260603153012.68a4ceaf@fedora> (raw)
In-Reply-To: <b637ede2-73da-49f0-a7eb-70ec79e79624@kernel.org>
On Wed, 3 Jun 2026 21:13:30 +0200
"David Hildenbrand (Arm)" <david@kernel.org> wrote:
> Would the following be sufficient to avoid a full revert and the dependency on CONFIG_RAS?
>
> diff --git a/include/trace/events/memory-failure.h b/include/trace/events/memory-failure.h
> index aa57cc8f896b..c46b17602578 100644
> --- a/include/trace/events/memory-failure.h
> +++ b/include/trace/events/memory-failure.h
> @@ -1,6 +1,7 @@
> /* SPDX-License-Identifier: GPL-2.0 */
> #undef TRACE_SYSTEM
> -#define TRACE_SYSTEM memory_failure
> +/* Some user space relies on ras/memory_failure_event */
> +#define TRACE_SYSTEM ras
If that puts back the original path then yeah, all would be good.
-- Steve
> #define TRACE_INCLUDE_FILE memory-failure
>
> #if !defined(_TRACE_MEMORY_FAILURE_H) || defined(TRACE_HEADER_MULTI_READ)
next prev parent reply other threads:[~2026-06-03 19:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CY8PR11MB7134346A3E4BB28ECA28D6E989132@CY8PR11MB7134.namprd11.prod.outlook.com>
2026-06-03 13:44 ` mm/memory-failure tracepoint change breaks userspace rasdaemon David Hildenbrand (Arm)
2026-06-03 16:17 ` Steven Rostedt
2026-06-03 16:19 ` Borislav Petkov
2026-06-03 16:26 ` David Hildenbrand (Arm)
2026-06-03 17:00 ` Steven Rostedt
2026-06-03 19:13 ` David Hildenbrand (Arm)
2026-06-03 19:30 ` Steven Rostedt [this message]
2026-06-03 19:31 ` Steven Rostedt
2026-06-03 19:54 ` Andrew Morton
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