From nobody Mon Feb 9 08:29:10 2026 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C988D28688B; Tue, 13 May 2025 10:08:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747130894; cv=none; b=rtXKRR5clrLttBKpwbM8lckTo3QGICuzPUupoJoqFG6n39oRXwyYZoGg0u/FO1Vsn5bgcUrdqJIINyvk53EHMgrEaWJZx3UXHhv1mKVXQT7GXe7JEL6x66x6IWfkfrx61Rr+Sqrv/adZE1MkM2rwY306AYQSSBU/XvRpN3qiSCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747130894; c=relaxed/simple; bh=IO4+1SDEb7n9xPoWaW6rA/158UOork4hng4YL+8x6nw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=mqMqYarEwHhxBFUgjxQnk8lOcIGrge/j15Yhdg1w4FwTdhvEG7YONbx9CiDCy+DeLW0N7cPE4tAHrfJvyFaA/sZX58yq39doYBE0XhCHfHzmTA53cSoA6msJrm2EiqlGKD0chWBJod53TBGwTrzytuvlqhs8WkVP10tnSki4kT4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-681ff7000002311f-ee-682319f29217 From: Byungchul Park To: linux-kernel@vger.kernel.org Cc: kernel_team@skhynix.com, torvalds@linux-foundation.org, damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, tytso@mit.edu, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com, harry.yoo@oracle.com, chris.p.wilson@intel.com, gwan-gyeong.mun@intel.com, max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, yskelg@gmail.com, yunseong.kim@ericsson.com, yeoreum.yun@arm.com, netdev@vger.kernel.org, matthew.brost@intel.com, her0gyugyu@gmail.com Subject: [PATCH v15 35/43] dept: make dept stop from working on debug_locks_off() Date: Tue, 13 May 2025 19:07:22 +0900 Message-Id: <20250513100730.12664-36-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250513100730.12664-1-byungchul@sk.com> References: <20250513100730.12664-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa2xLcRjG/c85Pee0UzkrscNcK4sgLpXh/eAW14MIyz65hbJjLbtIN5sR stHJjM5IprFrN0vVVtu0Lhu6zGalLlPMLmyzlqDZZoyW1mZa4subX573eZ73y0vjkgeC8bQy LpFXxcljpKSIEPWNLJ49MG6aYp7aLAX39wwC8iuNJNgryhEYr6dh4GpcC62eXgS/nj7DQZtj R1Ds6MThurULgcVwnISX70dBs7ufBFvOaRJOXKok4XnPIAYdF85jUG7aCG/1Hwh4nF2CgdZF Qp72BOYfnzDw6sso0KeGgdOQS8GgQwa2rhYBWF7PgouFHSTctdgIsFY7MXh5O5+ELuOwAB5b HxLgyQoF+zmNAK5+LiGhx6PHQe/up+BFnQ4Dq24sVKn9hSe//RbAA00dBidLr2HQ3H4HQW1G NwYmYwsJDe5eDMymHBx8lxsROLP6KEg/46UgLy0Lwen0CwSoOxbAr5/+ywXfZZBWVEXA1aEW tHwJZyw0Iq6htx/n1OZkzud+RXIWj47gHpWwXE1uJ8Wpa19TnM50kDMbZnKX7rowrnjALeBM ZadIzjRwnuIy+5ox7nNTE7V5wlbR4ig+RpnEq+Yu3SVSfEs/ix1wiA85XDUoFRUEZSIhzTLh rMZZi/6z7dQPMsAkM51ta/PiAR7DTGHNmg+CTCSicaYliG0taPcHaHo0E8EWakMDHoIJY+8X 2v/6xcxCdvCjj/rXOZktr6r7qwv9+tDlJiLAEmYBm60rJwKdLFMkZBv7PeS/wDj2nqGNyEZi HRpRhiTKuKRYuTImfI4iJU55aM6e+FgT8r+X/ujgtmo0YI+sRwyNpCPFD11TFRKBPCkhJbYe sTQuHSNOu+WXxFHylMO8Kn6n6mAMn1CPQmlCGiKe70mOkjDR8kR+P88f4FX/txgtHJ+KqNHb 33iytOLj7KKgpOiprTdX+qonHl62Kv6ItbsmeHeDTEPf2uJdU7VD+rzC4N3X+fZK+Ka8SbZj 54QrlhYVr55xzzu8/objYv6kSMveLyHBcxPX/5Ax0xdPDHF2+iqG1mk3ZUQ+Obp7eLM6Ylfp BkN7z9cl3fS66HfVpZXJjRFnW3ulRIJCLpuJqxLkfwAJYvXyWgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAAzWSe0yTZxSHfd/vSrHmG+L2KW66OkOEiCMRPFGDOqO+6lxcYmJiXLSOL2sj oLaAYKIWKARBrgkS5VZxqYwWxQ/nvYTAZFYU2UCECswSRBsRkkKrQL0UF/85efKcX37nn8NT QX8wC3htQqKkS1DHqVgFrfhpTcZy9/wlmu8L+gPBM5FNQ/llKwsdlywIrFfTMLjuboEn3hEE 0w8fUVBa0oHgvLOfgqutAwhsNeksdA7NgS7PGAv2klwWMi5cZuGfVz4MfWeKMVjkHfCfeZiG tsJqDKUuFspKM7B/vMQwaa7lwGxYCoM15zjwOSPBPtDNQEuFnQGbIxzOVvaxcMdmp6H1xiCG zlvlLAxYPzDQ1nqPBm9+CHQU5TFQN1rNwiuvmQKzZ4yDf5tMGFpNX0K90d+aNf6egb/zmjBk /X4FQ1fvbQSN2c8wyNZuFlo8Ixga5BIKpi7eRTCY/5qDzNOTHJSl5SPIzTxDg7EvCqbf+i9X TERCWlU9DXXvutH6GGKttCLSMjJGEWPDUTLlecwSm9dEk/vVIrl5rp8jxkYHR0xyEmmoCSMX 7rgwOe/2MESuPcUS2V3MkZzXXZiMtrdzO7/eo1gbK8VpkyXdipj9Cs14ZgE+7FSmOF03kQFV BOagAF4UVor2U2/YGWaFULGnZ5Ka4WBhsdiQN8zkIAVPCd2B4pOKXpSDeH6u8LNYWRoyk6GF peJflR2f8kohWvS9mOL+71wkWuqbPvkAv393sZ2e4SAhSiw0WehCpDChWbUoWJuQHK/WxkVF 6A9qUhO0KRG/HoqXkf+BzMd9RTfQROeWZiTwSDVbec/1rSaIUSfrU+ObkchTqmBl2nW/Usaq U49JukP7dElxkr4ZhfC06ivltt3S/iDhN3WidFCSDku6z1vMBywwIEfo87WL1hhsuwZM92Ny Q3/JokKqkLc55mGsa/ecvcuOWTadGLq+kYzXGPgh2Re8eeGge3rXvOLGa7dvCddEoSpi1U5D 74Oq7aM/tLnfCw78tMsRvtUUkW486fzmz0tX5CXhAT736uF1YV98V5einScbdhzJPhu9ITT8 Ry5ddaCtWEXrNerIMEqnV38EzYHV2TwDAAA= X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" For many reasons, debug_locks_off() is called to stop lock debuging feature e.g. on panic(). dept should also stop it in the conditions. Signed-off-by: Byungchul Park --- include/linux/dept.h | 2 ++ kernel/dependency/dept.c | 6 ++++++ lib/debug_locks.c | 2 ++ 3 files changed, 10 insertions(+) diff --git a/include/linux/dept.h b/include/linux/dept.h index 19d72b0b0c4b..a6ff9db9bcf9 100644 --- a/include/linux/dept.h +++ b/include/linux/dept.h @@ -395,6 +395,7 @@ struct dept_ext_wgen { unsigned int wgen; }; =20 +extern void dept_stop_emerg(void); extern void dept_on(void); extern void dept_off(void); extern void dept_init(void); @@ -447,6 +448,7 @@ struct dept_ext_wgen { }; =20 #define DEPT_MAP_INITIALIZER(n, k) { } =20 +#define dept_stop_emerg() do { } while (0) #define dept_on() do { } while (0) #define dept_off() do { } while (0) #define dept_init() do { } while (0) diff --git a/kernel/dependency/dept.c b/kernel/dependency/dept.c index 5397167c7031..3313ac4df3a6 100644 --- a/kernel/dependency/dept.c +++ b/kernel/dependency/dept.c @@ -186,6 +186,12 @@ static void dept_unlock(void) arch_spin_unlock(&dept_spin); } =20 +void dept_stop_emerg(void) +{ + WRITE_ONCE(dept_stop, 1); +} +EXPORT_SYMBOL_GPL(dept_stop_emerg); + enum bfs_ret { BFS_CONTINUE, BFS_DONE, diff --git a/lib/debug_locks.c b/lib/debug_locks.c index a75ee30b77cb..14a965914a8f 100644 --- a/lib/debug_locks.c +++ b/lib/debug_locks.c @@ -38,6 +38,8 @@ EXPORT_SYMBOL_GPL(debug_locks_silent); */ int debug_locks_off(void) { + dept_stop_emerg(); + if (debug_locks && __debug_locks_off()) { if (!debug_locks_silent) { console_verbose(); --=20 2.17.1