From patchwork Fri May 10 11:21:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fabio M. De Francesco" X-Patchwork-Id: 13661425 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A410E16F8F7; Fri, 10 May 2024 11:28:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340521; cv=none; b=UO0O8R10sfszIW2EkceaMQPBbSIBR5RniiREtctXCoW5y8CoV3bhrj3L369QA0zQ7g6d/JmS1zfJPk433DF1TaXWO1mXRcg3aiZKu0f/p/VXlRhXrOLqxQg71DTP6oRn9sG4/YerdX3qswjZIMD0HxZI+o2JsoANzkjZMvKWD60= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340521; c=relaxed/simple; bh=TexMWZHQ26C//ctAHxaVIeIDYvtnMtzZSIGXCtmoJns=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TX6RBx3GwogPRfUsMBapD42vDvUqORUvVgcZJJzU02VO1BgFduxC1w4qjAO8Y9cBI9c+4EMgC0W3rP7CAc/WqyoenuwpxsMGC7wo+00VL7uhj1pJ4hQyuQaShV/tYY3593prVzg2D25k6uVpe/5ae6iM9QZQcxJDW36nPvO+H1k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=iUIga4Bt; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="iUIga4Bt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715340515; x=1746876515; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=TexMWZHQ26C//ctAHxaVIeIDYvtnMtzZSIGXCtmoJns=; b=iUIga4Bt0sDs3mtYk56U5KFq7h8r1tUDOphwCbpAGgHyBLyFvXz7zY03 O4LJq42Qa75wbrJZj1YFl0xS72GYoDFsERYHv/+heYJL58JAvJMMAsaPO 5KdwUfWZPoBtEY/aW7oKkqUVQSlzDdtfRCHmgh0oo3PBl9+Gg/KYu4L3e TrUQYUIGLY3AGCKPpOqGgeg0M1pgJFZ4tjHYZILHJuR3f2Dg3QKHYxh8/ KdA15PdsXdY2TVk1z4knnNQTZiF06aoPohRG7icwUK2xme0/zR7mAyQv3 tT5oYSySYSRiz8LUnorQDXakwMSZ7u2WfTklhHVUxO/cdw4bcVbALROJ1 g==; X-CSE-ConnectionGUID: haAluW5ATAK8P6IABULoSw== X-CSE-MsgGUID: +uSUpLcASJyKq+zm4dKYCw== X-IronPort-AV: E=McAfee;i="6600,9927,11068"; a="21913199" X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="21913199" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:35 -0700 X-CSE-ConnectionGUID: mISj+nZ6SHWD8pJIatsTJg== X-CSE-MsgGUID: ahDhP+s8QaS5zoAhPvF76w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="30138443" Received: from fdefranc-mobl3.ger.corp.intel.com (HELO fdefranc-mobl3.intel.com) ([10.245.246.191]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:32 -0700 From: "Fabio M. De Francesco" To: "Rafael J. Wysocki" , Len Brown , Tony Luck , Borislav Petkov , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, Dan Williams , "Fabio M. De Francesco" Subject: [RFC PATCH v2 1/3] ACPI: extlog: Trace CPER Non-standard Section Body Date: Fri, 10 May 2024 13:21:45 +0200 Message-ID: <20240510112740.667445-2-fabio.m.de.francesco@linux.intel.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> References: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make extlog_print() (ELOG) trace "Non-standard Section Body" reported by firmware to the OS via Common Platform Error Record (CPER) (UEFI v2.10 Appendix N 2.3). This adds further debug information and makes ELOG logs consistent with ghes_do_proc() (GHES). Cc: Dan Williams Signed-off-by: Fabio M. De Francesco --- drivers/acpi/acpi_extlog.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index ca87a0939135..4e62d7235d33 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -182,6 +182,12 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, if (gdata->error_data_length >= sizeof(*mem)) trace_extlog_mem_event(mem, err_seq, fru_id, fru_text, (u8)gdata->error_severity); + } else { + void *err = acpi_hest_get_payload(gdata); + + trace_non_standard_event(sec_type, fru_id, fru_text, + gdata->error_severity, err, + gdata->error_data_length); } } From patchwork Fri May 10 11:21:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fabio M. De Francesco" X-Patchwork-Id: 13661426 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9A9417BB26; Fri, 10 May 2024 11:28:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340521; cv=none; b=Lp96+kBQb4qDIWcratEIxDZYft/4eWLPdbKdszwEPwmqyqqQmcn2a+C6C+J7pLtTBGj1hNeRW6tJ6BrLtIf+hhJMw2hW80Wvm5YdiyCLxjRlz2Ud/eDTFBvr3qnTQ/SxGOWt4+7Y3W3EsCYKj8CvAj5W0JA0FJ4rCnq3yhq5caE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340521; c=relaxed/simple; bh=2dyaSdCRFFl0BBVbWiZAlxE7d7+OMrdvZ8KswIJe0H0=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J82v7baAEKMe8Ou+xNi7nPPG3dCckz+UzdlJxdody9IPRRVojDA1MTXgart8HFE2xien1Ub1C/iygCg1kQWOXot2i/AuJ3q5IFzEyJyFoZHkYUsYXd5DwpBf0+zBLmBCmMgMVXOym2FtD+QYvTvi/ii9GnfdD49OW9OhIMHq5MY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dNWsPyeP; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dNWsPyeP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715340519; x=1746876519; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=2dyaSdCRFFl0BBVbWiZAlxE7d7+OMrdvZ8KswIJe0H0=; b=dNWsPyePQM0EEypP+Fbsnjx6qMIEIgWhvI72yxeeBkGMiSpJMmxPSb87 J/w2CQmwApwjFhKJQB0zdMetrcFbxCjEoGTKUCUvj0bc04ph9DOpq9ww+ ALKBdTgacCp7iLfr9RAJwigBPa2GV6AkSKyL6oBrEVzDzYSjF6RWggxo3 f5KX9fuF2L2TJsZWsox01phlRz62gg9aZ/IRSlwG3T5DZyQ5rocRgihCu hJ3Vl1DElwDla77ScXc+tIZEDNI7owN8x/quaonzfj0h8nyI6OlGemCmc oX1JjD+uFX6KC1RtoLcxDd3SWkq8e756mTKqYB70fYwgRb0NHbUFQXwjM g==; X-CSE-ConnectionGUID: WWPQtJkhTvuNCiCacyDkQg== X-CSE-MsgGUID: cppT4+9vSo+k2Sl5ypypBA== X-IronPort-AV: E=McAfee;i="6600,9927,11068"; a="21913205" X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="21913205" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:39 -0700 X-CSE-ConnectionGUID: K96jQTfZQ4iemDGfyXp+eQ== X-CSE-MsgGUID: NjYBx7ETTs6dazXo7CTAsQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="30138446" Received: from fdefranc-mobl3.ger.corp.intel.com (HELO fdefranc-mobl3.intel.com) ([10.245.246.191]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:36 -0700 From: "Fabio M. De Francesco" To: "Rafael J. Wysocki" , Len Brown , Tony Luck , Borislav Petkov , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, Dan Williams , "Fabio M. De Francesco" Subject: [RFC PATCH v2 2/3] ACPI: extlog: Trace CPER PCI Express Error Section Date: Fri, 10 May 2024 13:21:46 +0200 Message-ID: <20240510112740.667445-3-fabio.m.de.francesco@linux.intel.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> References: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Currently, extlog_print() (ELOG) only reports CPER PCIe section (UEFI v2.10, Appendix N.2.7) to the kernel log via print_extlog_rcd(). Instead, the similar ghes_do_proc() (GHES) prints to kernel log and calls pci_print_aer() to report via the ftrace infrastructure. Add support to report the CPER PCIe Error section also via the ftrace infrastructure by calling pci_print_aer() to make ELOG act consistently with GHES. Cc: Dan Williams Signed-off-by: Fabio M. De Francesco --- drivers/acpi/acpi_extlog.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index 4e62d7235d33..fb7b0c73f86a 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -131,6 +131,36 @@ static int print_extlog_rcd(const char *pfx, return 1; } +static void extlog_print_pcie(struct cper_sec_pcie *pcie_err, + int severity) +{ +#ifdef CONFIG_ACPI_APEI_PCIEAER + struct aer_capability_regs *aer; + struct pci_dev *pdev; + unsigned int devfn; + unsigned int bus; + int aer_severity; + int domain; + + if (pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && + pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { + aer_severity = cper_severity_to_aer(severity); + aer = (struct aer_capability_regs *)pcie_err->aer_info; + domain = pcie_err->device_id.segment; + bus = pcie_err->device_id.bus; + devfn = PCI_DEVFN(pcie_err->device_id.device, + pcie_err->device_id.function); + pdev = pci_get_domain_bus_and_slot(domain, bus, devfn); + if (!pdev) { + pr_err("no pci_dev for %04x:%02x:%02x.%x\n", + domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); + return; + } + pci_print_aer(pdev, aer_severity, aer); + } +#endif +} + static int extlog_print(struct notifier_block *nb, unsigned long val, void *data) { @@ -182,6 +212,10 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, if (gdata->error_data_length >= sizeof(*mem)) trace_extlog_mem_event(mem, err_seq, fru_id, fru_text, (u8)gdata->error_severity); + } else if (guid_equal(sec_type, &CPER_SEC_PCIE)) { + struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata); + + extlog_print_pcie(pcie_err, gdata->error_severity); } else { void *err = acpi_hest_get_payload(gdata); @@ -331,3 +365,4 @@ module_exit(extlog_exit); MODULE_AUTHOR("Chen, Gong "); MODULE_DESCRIPTION("Extended MCA Error Log Driver"); MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(CXL); From patchwork Fri May 10 11:21:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fabio M. De Francesco" X-Patchwork-Id: 13661427 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51AE917EB8C; Fri, 10 May 2024 11:28:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340524; cv=none; b=Iab7hf7f6mLAZz0rNUP0oIfTMrxAXG0cSa6ZTcorSZT68STLnwUJzq6kAJP8ymQA84+alsndiOZmwVAU91NM8Q6YIlsJKP7qbIY5lpYdnVFyFZ61+/7SlgqWBSQqhMup4pOT2F+qKjwGGyzyX4mSmQtZPspj3OjK1bAP9g3FUx8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715340524; c=relaxed/simple; bh=YjRIFyy5x+XNHBrFPdcWuNaJba67+I+b0UephR4q89w=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MsgZdvMU/KWidEqOPXkS7NE4dtVaEvpODk2tOfCBHGr2u7bAcvVIoTsV2iIt0wcBU0/5566qZccO+vlYTRytBIt8hcCJvOt8V0tD441r3yBBjkp7dHWdWMBHeO+i61nOjWlqkq/PHQmxYj+l7j7fqf27j+qt1RDdMHr9lXkbUOg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dvnzRQwN; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dvnzRQwN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715340523; x=1746876523; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=YjRIFyy5x+XNHBrFPdcWuNaJba67+I+b0UephR4q89w=; b=dvnzRQwN5T7Et5rL3sFJOu6tWGiK72TURfAT7L20H1H9fXvN6cHoqW7j 5GLaWURSZ/KSkHBtve71o4hOX98ZK93W8wzcvnzjH7EM0Vz1nciwZu/oH f1KHWyZfVGyWiB90Qg76C2WkHAVPp7RhBUZfNWjka9JBbbyomv0kNzCUZ WHtSv0kk0ZfNCX3wOvh75KAoKBrN+szwikpv6QYDrazgjd/Z9Zifz9r1p 2lAAN6bybGjp4s/faJ5TaThiekwC+WyreSyGb4+VEB71O91Onco9iwDkN QrMRqpmM1nbXfqW+R41UuTrXJEUjkTeG1DzCKH/ACZX8dJpe0kxVRPBGF w==; X-CSE-ConnectionGUID: ObYN1OZHQiK0YI0zHHvzng== X-CSE-MsgGUID: qAURdJuLR06/ElWUIdeOfw== X-IronPort-AV: E=McAfee;i="6600,9927,11068"; a="21913210" X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="21913210" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:42 -0700 X-CSE-ConnectionGUID: 3xFHPiSyR0Oz6j6r6yQdww== X-CSE-MsgGUID: kwgn+PjsRPGlvdoAX2nhJw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,150,1712646000"; d="scan'208";a="30138449" Received: from fdefranc-mobl3.ger.corp.intel.com (HELO fdefranc-mobl3.intel.com) ([10.245.246.191]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2024 04:28:39 -0700 From: "Fabio M. De Francesco" To: "Rafael J. Wysocki" , Len Brown , Tony Luck , Borislav Petkov , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, Dan Williams , "Fabio M. De Francesco" Subject: [RFC PATCH v2 3/3] ACPI: extlog: Make print_extlog_rcd() log unconditionally Date: Fri, 10 May 2024 13:21:47 +0200 Message-ID: <20240510112740.667445-4-fabio.m.de.francesco@linux.intel.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> References: <20240510112740.667445-1-fabio.m.de.francesco@linux.intel.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make extlog_print_rcd() log unconditionally to report errors even if userspace is not consuming trace events. Remove ras_userspace_consumers() because it is not anymore used. This change makes extlog_print() (ELOG) log consistently with ghes_proc() (GHES). Cc: Dan Williams Signed-off-by: Fabio M. De Francesco --- drivers/acpi/acpi_extlog.c | 6 +----- drivers/ras/debugfs.c | 6 ------ include/linux/ras.h | 2 -- 3 files changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index fb7b0c73f86a..41ee66306234 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -189,10 +189,7 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, tmp = (struct acpi_hest_generic_status *)elog_buf; - if (!ras_userspace_consumers()) { - print_extlog_rcd(NULL, tmp, cpu); - goto out; - } + print_extlog_rcd(NULL, tmp, cpu); /* log event via trace */ err_seq++; @@ -225,7 +222,6 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, } } -out: mce->kflags |= MCE_HANDLED_EXTLOG; return NOTIFY_OK; } diff --git a/drivers/ras/debugfs.c b/drivers/ras/debugfs.c index 42afd3de68b2..6633844acdd6 100644 --- a/drivers/ras/debugfs.c +++ b/drivers/ras/debugfs.c @@ -13,12 +13,6 @@ struct dentry *ras_get_debugfs_root(void) } EXPORT_SYMBOL_GPL(ras_get_debugfs_root); -int ras_userspace_consumers(void) -{ - return atomic_read(&trace_count); -} -EXPORT_SYMBOL_GPL(ras_userspace_consumers); - static int trace_show(struct seq_file *m, void *v) { return 0; diff --git a/include/linux/ras.h b/include/linux/ras.h index a64182bc72ad..98840f16b697 100644 --- a/include/linux/ras.h +++ b/include/linux/ras.h @@ -7,11 +7,9 @@ #include #ifdef CONFIG_DEBUG_FS -int ras_userspace_consumers(void); void ras_debugfs_init(void); int ras_add_daemon_trace(void); #else -static inline int ras_userspace_consumers(void) { return 0; } static inline void ras_debugfs_init(void) { } static inline int ras_add_daemon_trace(void) { return 0; } #endif