From: "Chen, Gong" <gong.chen@linux.intel.com>
To: tony.luck@intel.com, bp@alien8.de, m.chehab@samsung.com
Cc: linux-acpi@vger.kernel.org, "Chen, Gong" <gong.chen@linux.intel.com>
Subject: [PATCH 7/7] RAS, extlog: Adjust init flow
Date: Thu, 15 May 2014 04:30:46 -0400 [thread overview]
Message-ID: <1400142646-10127-8-git-send-email-gong.chen@linux.intel.com> (raw)
In-Reply-To: <1400142646-10127-1-git-send-email-gong.chen@linux.intel.com>
Unless the platform has eMCA related capability, don't
need to check if there is conflict with EDAC driver.
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
---
drivers/acpi/acpi_extlog.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index c1dab37..216eb94 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -254,19 +254,16 @@ static int __init extlog_init(void)
u64 cap;
int rc;
+ rdmsrl(MSR_IA32_MCG_CAP, cap);
+
+ if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr())
+ return -ENODEV;
+
if (get_edac_report_status() == EDAC_REPORTING_FORCE) {
pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n");
return -EPERM;
}
- rc = -ENODEV;
- rdmsrl(MSR_IA32_MCG_CAP, cap);
- if (!(cap & MCG_ELOG_P))
- return rc;
-
- if (!extlog_get_l1addr())
- return rc;
-
rc = -EINVAL;
/* get L1 header to fetch necessary information */
l1_hdr_size = sizeof(struct extlog_l1_head);
--
2.0.0.rc0
next prev parent reply other threads:[~2014-05-15 9:06 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-15 8:30 New eMCA trace event interface Chen, Gong
2014-05-15 8:30 ` [PATCH 1/7 v5] trace, RAS: Add basic RAS trace event Chen, Gong
2014-05-15 8:30 ` [PATCH 2/7 v3] trace, AER: Move trace into unified interface Chen, Gong
2014-05-21 10:19 ` Borislav Petkov
2014-05-22 0:03 ` Chen, Gong
2014-05-22 10:41 ` Borislav Petkov
2014-05-15 8:30 ` [PATCH 3/7 v4] CPER: Adjust code flow of some functions Chen, Gong
2014-05-21 11:05 ` Borislav Petkov
2014-05-21 23:51 ` Chen, Gong
2014-05-22 10:52 ` Borislav Petkov
2014-05-23 1:49 ` Chen, Gong
2014-05-23 9:37 ` Borislav Petkov
2014-05-23 10:11 ` Borislav Petkov
2014-05-26 1:59 ` Chen, Gong
2014-05-26 10:21 ` Borislav Petkov
2014-05-26 10:42 ` Chen, Gong
2014-05-26 2:07 ` Chen, Gong
2014-05-26 10:23 ` Borislav Petkov
2014-05-15 8:30 ` [PATCH 4/7 v2] RAS, debugfs: Add debugfs interface for RAS subsystem Chen, Gong
2014-05-15 8:30 ` [PATCH 5/7 v5] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-05-15 8:30 ` [PATCH 6/7 v3] trace, eMCA: Add a knob to adjust where to save event log Chen, Gong
2014-05-21 11:06 ` Borislav Petkov
2014-05-21 23:46 ` Chen, Gong
2014-05-22 11:11 ` Borislav Petkov
2014-05-23 1:40 ` Chen, Gong
2014-05-28 3:27 ` [PATCH 6/7 v4] " Chen, Gong
2014-05-15 8:30 ` Chen, Gong [this message]
2014-05-28 3:32 ` new trace output format Chen, Gong
2014-05-28 3:32 ` [PATCH 5/7 v6] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-05-28 15:28 ` Steven Rostedt
2014-05-28 16:34 ` Borislav Petkov
2014-05-28 16:56 ` Steven Rostedt
2014-05-29 7:43 ` Chen, Gong
2014-05-29 10:35 ` Borislav Petkov
2014-05-29 13:12 ` Steven Rostedt
2014-05-30 2:56 ` Chen, Gong
2014-05-30 9:22 ` Chen, Gong
2014-05-30 10:07 ` Borislav Petkov
2014-05-30 21:16 ` Tony Luck
2014-05-30 21:26 ` Borislav Petkov
2014-05-30 23:03 ` Luck, Tony
2014-05-31 1:07 ` Steven Rostedt
2014-06-02 16:22 ` Luck, Tony
2014-06-02 16:57 ` Steven Rostedt
2014-06-03 8:36 ` Chen, Gong
2014-06-03 14:35 ` Steven Rostedt
2014-06-04 18:32 ` Steven Rostedt
2014-06-06 6:51 ` Chen, Gong
2014-06-06 15:21 ` Steven Rostedt
2014-06-09 1:10 ` Chen, Gong
2014-06-09 10:22 ` Borislav Petkov
2014-05-28 16:23 ` new trace output format Borislav Petkov
-- strict thread matches above, loose matches on Subject: below --
2014-06-11 8:34 New eMCA trace event interface V4 Chen, Gong
2014-06-11 8:34 ` [PATCH 7/7] RAS, extlog: Adjust init flow Chen, Gong
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