From: Huang Ying <ying.huang@intel.com>
To: Len Brown <lenb@kernel.org>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
Tony Luck <tony.luck@intel.com>,
ying.huang@intel.com, linux-acpi@vger.kernel.org
Subject: [PATCH 9/9] ACPI, APEI, ERST, Prevent erst_dbg from loading if ERST is disabled
Date: Tue, 17 May 2011 16:08:39 +0800 [thread overview]
Message-ID: <1305619719-7480-10-git-send-email-ying.huang@intel.com> (raw)
In-Reply-To: <1305619719-7480-1-git-send-email-ying.huang@intel.com>
erst_dbg module can not work with ERST is disabled. So disable module
loading to provide clearer information to user.
Signed-off-by: Huang Ying <ying.huang@intel.com>
---
drivers/acpi/apei/erst-dbg.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/acpi/apei/erst-dbg.c
+++ b/drivers/acpi/apei/erst-dbg.c
@@ -213,6 +213,10 @@ static struct miscdevice erst_dbg_dev =
static __init int erst_dbg_init(void)
{
+ if (erst_disable) {
+ pr_info(ERST_DBG_PFX "ERST support is disabled.\n");
+ return -ENODEV;
+ }
return misc_register(&erst_dbg_dev);
}
next prev parent reply other threads:[~2011-05-17 8:09 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 8:08 [PATCH 0/9] ACPI, APEI patches for 2.6.40 Huang Ying
2011-05-17 8:08 ` [PATCH 1/9] Add Kconfig option ARCH_HAVE_NMI_SAFE_CMPXCHG Huang Ying
2011-05-17 8:08 ` [PATCH 2/9] lib, Add lock-less NULL terminated single list Huang Ying
2011-05-17 8:08 ` [PATCH 3/9] lib, Make gen_pool memory allocator lockless Huang Ying
2011-05-17 8:08 ` [PATCH 4/9] ACPI, APEI, GHES, printk support for recoverable error via NMI Huang Ying
2011-05-17 8:08 ` [PATCH 5/9] HWPoison: add memory_failure_queue() Huang Ying
2011-05-17 8:46 ` Ingo Molnar
2011-05-17 8:52 ` Huang Ying
2011-05-17 9:26 ` Ingo Molnar
2011-05-18 1:10 ` Huang Ying
2011-05-20 11:56 ` Ingo Molnar
2011-05-22 8:14 ` huang ying
2011-05-22 10:00 ` Ingo Molnar
2011-05-22 12:32 ` huang ying
2011-05-22 13:25 ` Ingo Molnar
2011-05-23 2:38 ` Huang Ying
2011-05-23 11:01 ` Ingo Molnar
2011-05-23 16:45 ` Luck, Tony
2011-05-25 14:08 ` Ingo Molnar
2011-05-24 2:10 ` Huang Ying
2011-05-24 2:48 ` Ingo Molnar
2011-05-24 3:07 ` Huang Ying
2011-05-24 4:24 ` Ingo Molnar
2011-05-25 7:41 ` Hidetoshi Seto
2011-05-25 14:11 ` Ingo Molnar
2011-05-26 1:33 ` Hidetoshi Seto
2011-05-17 8:08 ` [PATCH 6/9] ACPI, APEI, GHES: Add hardware memory error recovery support Huang Ying
2011-05-17 8:08 ` [PATCH 7/9] PCIe, AER, add aer_recover_queue Huang Ying
2011-06-01 18:49 ` Jesse Barnes
2011-06-02 5:09 ` Huang Ying
2011-06-02 15:05 ` Jesse Barnes
2011-05-17 8:08 ` [PATCH 8/9] ACPI, APEI, GHES: Add PCIe AER recovery support Huang Ying
2011-05-17 8:08 ` Huang Ying [this message]
2011-05-29 6:55 ` [PATCH 0/9] ACPI, APEI patches for 2.6.40 Len Brown
2011-05-29 11:31 ` huang ying
2011-05-30 6:48 ` Chen Gong
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