From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DCE7BCD8C9F for ; Mon, 8 Jun 2026 12:14:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C65C6B0005; Mon, 8 Jun 2026 08:14:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 176B66B0088; Mon, 8 Jun 2026 08:14:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 08D916B008A; Mon, 8 Jun 2026 08:14:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id EAC5F6B0005 for ; Mon, 8 Jun 2026 08:14:34 -0400 (EDT) Received: from smtpin16.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 810DF1A0A4C for ; Mon, 8 Jun 2026 12:14:34 +0000 (UTC) X-FDA: 84856638468.16.D8590B3 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) by imf18.hostedemail.com (Postfix) with ESMTP id 2CBCE1C0009 for ; Mon, 8 Jun 2026 12:14:32 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=nsVYtCvw; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf18.hostedemail.com: domain of lance.yang@linux.dev designates 91.218.175.188 as permitted sender) smtp.mailfrom=lance.yang@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1780920872; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=s5o2TRur9x0ddEQ5S1UjxIZP9cFGroi39DgA97WlM4k=; b=u2MXmzimb8B+VDEZjU83e0SzkXi0e7L7sHqfEiKoLZuHPsb3+xBvFGLArbmr+eHIsYkGBo TnSofnIbLkSjUKc+Zn5gdjdkB3McH9Lo/eOeaUBETbpM9YoU02cVUHZEpyI5eBDbVVYyGT snwTDMrRsti1EKQJsWwfW5u2UHAN3xU= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=nsVYtCvw; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf18.hostedemail.com: domain of lance.yang@linux.dev designates 91.218.175.188 as permitted sender) smtp.mailfrom=lance.yang@linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1780920872; b=6Gd9eTT6mG8HOgvC4qsVLbZwO991g81fhZJ/HsEw5Ai37aRNtPN54XNOtYHLDZhsWjAIpV kBRfzr3J/5Xr/4eK+UklJBzwm6lM0c5WQ4SttPjvM896Tj4gOp1BSLBcKr92ZpQinuxPdC ODnsPm0UZFULPf3qoZ1XHbi9qR3XxKw= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1780920869; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s5o2TRur9x0ddEQ5S1UjxIZP9cFGroi39DgA97WlM4k=; b=nsVYtCvwz5kJ/fDZNfegNk2vh28gl5OGT8lmDDl8FnDOkfQ1uX81bOLtIbveMzdycnp3mZ 6xambuCN2z3PCH86CXshNpvd8eCNp/50D+EnoQhd/wXFb5ATcf8SHNKF3X4N95BpUoryRS jXeK0MS3kF3w5lFyYMcp0nIVwO9kNlw= From: Lance Yang To: xieyuanbin1@huawei.com Cc: david@kernel.org, qiuxu.zhuo@intel.com, bp@alien8.de, akpm@linux-foundation.org, rostedt@goodmis.org, linmiaohe@huawei.com, nao.horiguchi@gmail.com, mhiramat@kernel.org, mchehab+huawei@kernel.org, tony.luck@intel.com, yi1.lai@intel.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, torvalds@linux-foundation.org, lilinjie8@huawei.com, liaohua4@huawei.com, Lance Yang Subject: Re: [PATCH] mm/memory-failure: trace: change memory_failure_event to ras subsystem Date: Mon, 8 Jun 2026 20:14:20 +0800 Message-Id: <20260608121420.64197-1-lance.yang@linux.dev> In-Reply-To: <20260605081213.154660-1-xieyuanbin1@huawei.com> References: <20260605081213.154660-1-xieyuanbin1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam10 X-Rspam-User: X-Stat-Signature: 55dshobw3f4s319a93yfrrx4jupoi3p6 X-Rspamd-Queue-Id: 2CBCE1C0009 X-HE-Tag: 1780920872-69736 X-HE-Meta: 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 ztmnuhPx 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Jun 05, 2026 at 04:12:13PM +0800, Xie Yuanbin wrote: >For historical version, commit 97f0b1345219 ("tracing: add trace event >for memory-failure") introduced memory_failure_event in ras subsystem. >commit 31807483d395 ("mm/memory-failure: remove the selection of RAS") >changed memory_failure_event to memory_failure subsystem. This breaks >the backward compatibility, some user programs rely on it. > >Change memory_failure_event to ras subsystem to keep backward >compatibility. > >Fixes: 31807483d395 ("mm/memory-failure: remove the selection of RAS") > >Reported-by: Yi Lai >Reported-by: Qiuxu Zhuo >Closes: https://lore.kernel.org/linux-mm/CY8PR11MB7134346A3E4BB28ECA28D6E989132@CY8PR11MB7134.namprd11.prod.outlook.com >Cc: David Hildenbrand >Cc: Steven Rostedt >Cc: Borislav Petkov >Cc: Andrew Morton >Cc: Miaohe Lin >Signed-off-by: Xie Yuanbin >--- > include/trace/events/memory-failure.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > >diff --git a/include/trace/events/memory-failure.h b/include/trace/events/memory-failure.h >index aa57cc8f896b..7a8ee5d1a44e 100644 >--- a/include/trace/events/memory-failure.h >+++ b/include/trace/events/memory-failure.h >@@ -1,6 +1,10 @@ > /* SPDX-License-Identifier: GPL-2.0 */ > #undef TRACE_SYSTEM >-#define TRACE_SYSTEM memory_failure >+/* >+ * For historical versions, memory_failure_event is in ras subsystem, >+ * some user programs depend on it. >+ */ >+#define TRACE_SYSTEM ras > #define TRACE_INCLUDE_FILE memory-failure > > #if !defined(_TRACE_MEMORY_FAILURE_H) || defined(TRACE_HEADER_MULTI_READ) >-- Thanks. Feel free to add: Reviewed-by: Lance Yang