From: "Chen, Gong" <gong.chen@linux.intel.com>
To: tony.luck@intel.com, bp@alien8.de, m.chehab@samsung.com,
rostedt@goodmis.org
Cc: linux-acpi@vger.kernel.org, "Chen, Gong" <gong.chen@linux.intel.com>
Subject: [PATCH 7/7] RAS, extlog: Adjust init flow
Date: Wed, 11 Jun 2014 04:34:51 -0400 [thread overview]
Message-ID: <1402475691-30045-8-git-send-email-gong.chen@linux.intel.com> (raw)
In-Reply-To: <1402475691-30045-1-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 a99d4a6..0ad6f38 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -223,19 +223,16 @@ 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.rc2
next prev parent reply other threads:[~2014-06-11 9:03 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-11 8:34 New eMCA trace event interface V4 Chen, Gong
2014-06-11 8:34 ` [PATCH 1/7 v5] trace, RAS: Add basic RAS trace event Chen, Gong
2014-06-11 18:59 ` Borislav Petkov
2014-06-11 8:34 ` [PATCH 2/7 v3] trace, AER: Move trace into unified interface Chen, Gong
2014-06-11 19:00 ` Borislav Petkov
2014-06-11 8:34 ` [PATCH 3/7 v5] CPER: Adjust code flow of some functions Chen, Gong
2014-06-11 8:34 ` [PATCH 4/7 v2] RAS, debugfs: Add debugfs interface for RAS subsystem Chen, Gong
2014-06-11 19:01 ` Borislav Petkov
2014-06-11 8:34 ` [PATCH 5/7 v7] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-06-11 19:02 ` Borislav Petkov
2014-06-12 2:42 ` Chen, Gong
2014-06-11 8:34 ` [PATCH 6/7 v4] trace, eMCA: Add a knob to adjust where to save event log Chen, Gong
2014-06-11 8:34 ` Chen, Gong [this message]
2014-06-11 21:33 ` New eMCA trace event interface V4 Luck, Tony
2014-06-12 6:11 ` [PATCH 5/7 REVISION] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-06-12 13:28 ` Steven Rostedt
2014-06-13 2:19 ` Chen, Gong
2014-06-13 3:01 ` Steven Rostedt
2014-06-13 3:08 ` Steven Rostedt
2014-06-13 7:09 ` Chen, Gong
2014-06-17 2:09 ` Chen, Gong
2014-06-17 3:37 ` Steven Rostedt
2014-06-17 12:59 ` Steven Rostedt
2014-06-18 2:33 ` eMCA trace interface update Chen, Gong
2014-06-18 2:33 ` [PATCH 5/7 REVISION v2] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-06-20 2:06 ` Chen, Gong
2014-06-20 23:01 ` Tony Luck
2014-06-21 0:56 ` Steven Rostedt
2014-06-22 16:48 ` Borislav Petkov
2014-06-23 23:51 ` Luck, Tony
2014-06-24 10:20 ` Borislav Petkov
2014-06-24 17:38 ` Luck, Tony
-- strict thread matches above, loose matches on Subject: below --
2014-05-15 8:30 New " Chen, Gong
2014-05-15 8:30 ` [PATCH 7/7] RAS, extlog: Adjust init flow Chen, Gong
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