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authorLen Brown <len.brown@intel.com>2011-08-03 11:30:42 -0400
committerLen Brown <len.brown@intel.com>2011-08-03 11:30:42 -0400
commitd0e323b47057f4492b8fa22345f38d80a469bf8d (patch)
treefeb760c7e2cdb1e43640417409428ab858910ea3 /Documentation
parentc027a474a68065391c8773f6e83ed5412657e369 (diff)
parentc3e6088e1036f8084bc7444b38437da136b7588b (diff)
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Merge branch 'apei' into apei-release
Some trivial conflicts due to other various merges adding to the end of common lists sooner than this one. arch/ia64/Kconfig arch/powerpc/Kconfig arch/x86/Kconfig lib/Kconfig lib/Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/acpi/apei/einj.txt11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt
index dfab71848dc..5cc699ba545 100644
--- a/Documentation/acpi/apei/einj.txt
+++ b/Documentation/acpi/apei/einj.txt
@@ -48,12 +48,19 @@ directory apei/einj. The following files are provided.
- param1
This file is used to set the first error parameter value. Effect of
parameter depends on error_type specified. For memory error, this is
- physical memory address.
+ physical memory address. Only available if param_extension module
+ parameter is specified.
- param2
This file is used to set the second error parameter value. Effect of
parameter depends on error_type specified. For memory error, this is
- physical memory address mask.
+ physical memory address mask. Only available if param_extension
+ module parameter is specified.
+
+Injecting parameter support is a BIOS version specific extension, that
+is, it only works on some BIOS version. If you want to use it, please
+make sure your BIOS version has the proper support and specify
+"param_extension=y" in module parameter.
For more information about EINJ, please refer to ACPI specification
version 4.0, section 17.5.