From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD7AF43DA2C for ; Mon, 7 Sep 2026 07:59:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788767969; cv=none; b=Dsby8PlHPhOUfzGGpa7fbLLNdgzSpMYsvzKEtVk8GqLXe0DhSC8G+rCgKCEW+fJNvJXi5OgbZi3Nfqn8IcaDvlbrJlLoi+F+Lwgg5E8w9cK+MAcfK6E08EiGBQT0XB8tM1eBDgTfKUeo2t+sFv8mElUgruIfkru070kZfJ/ybBs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788767969; c=relaxed/simple; bh=CY0SGZKkWGBgKFAKz+DqhuTW6aotEarWwAXGLJcyfqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N+uOCIbyLKCY73quV58Uh/DzbUiA3XHLhD94tuWpUwEEHkMpbbq4FhWUNEuorF4WgfxvhnLNxhGqVzzb5qZMYMHsZzoCa1DND3V313bquSDT1QIWdDB+pyRxyFo6D/wElMIkS0Y5tjxCsTnjZfCZt8K9qkRDj+k4JpKG3U/B+18= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZlczcLJ/; arc=none smtp.client-ip=209.85.214.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZlczcLJ/" Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-2d91ded8174so24758225ad.1 for ; Mon, 07 Sep 2026 00:59:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1788767967; x=1789372767; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=rknn3+6TS+aLNZFIltiGpSi2IYKIP8ZCdc2t7DJkt98=; b=ZlczcLJ/b25uKxe47Zb1+5Rr69MFn6lsDS07k1AsDeHmvonMSHsT4ZGPO1SIRaeY+d 75Usme2oHOuM9FwevXhlmemtMQ/Okrgz2JsdnRq1IJZXOMx4Pg3d4KjO7g9QC/tUDgQK /DAMmXuKV2dxO4YGaIX7Cl4DETxCN0d5Q54x3vqR8r6C9B0Wx0JbknmG9LDgdYaVX0Ht 93GS6TO1mEoIBlRDY0csiZvOFtbQWZmEdF1pfRkXtwb+dBbLfygTql9JUm661TbdgrRc 3qMZ1y0ktCEKRLoXNd6//wVADz/GHgUOJdZp5B8vn/AYjw7zLzs9+4gJKlToGwUY7XHa 0xGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788767967; x=1789372767; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=rknn3+6TS+aLNZFIltiGpSi2IYKIP8ZCdc2t7DJkt98=; b=qMeExU3EcwKRl0IPfJWQ1vXuH6WboxfMOMVwV3+BXi69qNMqC/JrL5cMRmFW82BqXi nbiEMnS/ni0e4SdAKHmEl3pSOMLMEyjI/Yo8P4AcRW6WQZI/zvgzUBEd4eT3O8OIcI3V bGz92L8x4DOf5Yv0t+Vm63Wk4Ztzr8zKKUmHzfPRKCt+SgQADPx2lD4EpW3mwik9pSFk WviyJllV1MFnR91PvqAYruOR45wjw0hzQKnAdI0k4EHV+pn2A5OttggXgNoXiSf1QMhW awp09z8tOy2TuadL54aqckt1TzLLNlXocIDTrfJLfx3eL5OTbUi2BUKXnD7FHLIdLfyt naNA== X-Forwarded-Encrypted: i=1; AKwUvBxsDZRcRcgwIU/PjH6VYF4so0VjBtUzLYN5gEevauSSAcX+GNKssH8b1XVSx5sNX5y7HvvoEEAz85ve2v8=@vger.kernel.org X-Gm-Message-State: AFuF++m+ZLxAshq4Mj3sWmRyjUyuH6+XWS/55mf9atyR2xJvP9HC1DLn ZWvaZGSstv66rLhtR2SDGsz4KV5mP+NmYWG6MSEA7HJL34BV+u58N1s8 X-Gm-Gg: AYBFou3LijAvR2wMujyl9muiP3pqwKMsffqfEai/U8LMrBwsUoHUIPXrty75Wa3WoWk ZMO0PVJ6fsexXjSibDy/IoAdeB7a8wxm7GoW7TROiMzZiZsrEfvkGFqtEzhXtfz5RnPIEa7WJFk cQDNqTo6in56l0nBE5C+CgefSGYkc+K8i++F0Z9xxMHOEPYFPQEqc2aC3mStbBcHgd4lCl4Egm+ 9VTfzsyF4fDeCh4XttK6erBK9QgdcE9Mz3aSf94XCQG0kqxXRSuEWYxjbNGI3WL972NrfqKc1+B HUyGfJ6vWFx00GCuJSlUGnPTReteOUR3aC8hPdNr5EXFhA5MIZ5FRRAOvh6lDA93+x34/h6jc/5 guZ3CoP412jNBO3NhdJ7PuE9qL8vAT86+8f7Wp5KRtzqJIT+Jo8E/+I8BPFKq2hHgIiBljsPWBZ 24NB4Fw+A+jHgg8KcZfTxZaXA3tpBQb+OmaHXZuq43Ewk7Er0gShj+3VwkeBaGB8iaVV5Qc5ez+ JEHU8U= X-Received: by 2002:a17:903:1af0:b0:2db:331b:e187 with SMTP id d9443c01a7336-2db331be292mr163344515ad.8.1788767966572; Mon, 07 Sep 2026 00:59:26 -0700 (PDT) Received: from kernel.tail6741c6.ts.net ([185.220.238.35]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2db14ae7637sm40945595ad.79.2026.09.07.00.59.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2026 00:59:26 -0700 (PDT) From: Kunwu Chan X-Google-Original-From: Kunwu Chan To: paulmck@kernel.org, jiangshanlai@gmail.com, josh@joshtriplett.org Cc: rostedt@goodmis.org, mathieu.desnoyers@efficios.com, rcu@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH 12/13] srcutree: Remove debug pr_alert()s Date: Mon, 7 Sep 2026 15:58:28 +0800 Message-ID: <20260907075829.2073224-13-kunwu.chan@linux.dev> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260907075829.2073224-1-kunwu.chan@linux.dev> References: <20260907075829.2073224-1-kunwu.chan@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Kunwu Chan Remove the debug pr_alert()s from srcu_gp_start() and synchronize_srcu_atomic(). Signed-off-by: Kunwu Chan --- kernel/rcu/srcutree.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index a93bf803e2f7..a016c93d65cb 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -916,7 +916,6 @@ static void srcu_gp_start(struct srcu_struct *ssp) { int state; - /*&&&&*/pr_alert("%s() start: ->srcu_gp_seq: %lx ->srcu_gp_seq_needed: %lx\n", __func__, ssp->srcu_sup->srcu_gp_seq, ssp->srcu_sup->srcu_gp_seq_needed); lockdep_assert_held(&ACCESS_PRIVATE(ssp->srcu_sup, lock)); WARN_ON_ONCE(ULONG_CMP_GE(ssp->srcu_sup->srcu_gp_seq, ssp->srcu_sup->srcu_gp_seq_needed)); WRITE_ONCE(ssp->srcu_sup->srcu_gp_start, jiffies); @@ -2152,7 +2151,6 @@ void synchronize_srcu_atomic(struct srcu_struct *ssp) // OK, we really have to do it ourselves. Start the grace period. non_block_start(); // We must not voluntarily block! smp_store_release(&sup->srcu_gp_seq_needed, srcu_state); // See srcu_funnel_gp_start(). - /*&&&&*/pr_alert("%s() start: ->srcu_gp_seq: %lx ->srcu_gp_seq_needed: %lx\n", __func__, ssp->srcu_sup->srcu_gp_seq, ssp->srcu_sup->srcu_gp_seq_needed); ASSERT_EXCLUSIVE_WRITER(ssp->srcu_sup->srcu_gp_seq); srcu_gp_start(ssp); raw_spin_unlock_irq_rcu_node(sup); @@ -2208,7 +2206,6 @@ void synchronize_srcu_atomic(struct srcu_struct *ssp) cpu_relax(); srcu_advance_state(ssp, true); } - /*&&&&*/pr_alert("%s() end: ->srcu_gp_seq: %lx ->srcu_gp_seq_needed: %lx\n", __func__, ssp->srcu_sup->srcu_gp_seq, ssp->srcu_sup->srcu_gp_seq_needed); ASSERT_EXCLUSIVE_WRITER(sup->srcu_atomic_gp_flag); atomic_set_release(&sup->srcu_atomic_gp_flag, 0); preempt_enable(); -- 2.43.0