mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 17:59:32 +00:00
ACPI/APEI: Update einj documentation for param1/param2
To ensure EINJ working well when injecting errors via EINJ table, add some restrictions: param1 must be a valid physical RAM address and param2 must specify page granularity or narrower. Signed-off-by: Chen Gong <gong.chen@linux.intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
parent
c5a130325f
commit
ace3647afb
1 changed files with 7 additions and 2 deletions
|
@ -47,11 +47,16 @@ 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.
|
||||
parameter depends on error_type specified. For example, if error
|
||||
type is memory related type, the param1 should be a valid physical
|
||||
memory address.
|
||||
|
||||
- param2
|
||||
This file is used to set the second error parameter value. Effect of
|
||||
parameter depends on error_type specified.
|
||||
parameter depends on error_type specified. For example, if error
|
||||
type is memory related type, the param2 should be a physical memory
|
||||
address mask. Linux requires page or narrower granularity, say,
|
||||
0xfffffffffffff000.
|
||||
|
||||
- notrigger
|
||||
The EINJ mechanism is a two step process. First inject the error, then
|
||||
|
|
Loading…
Reference in a new issue