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authorQifu Zhang <zhangqifu@bytedance.com>2022-07-19 14:50:13 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-25 12:37:53 +0300
commita408f135c4c2ba3948e1bbdbe5eff115f3d5d058 (patch)
tree61999089725827855b952a3e61bdddd2a3be981c /Documentation
parent8aab4295582eb397a125d2788b829fa62b88dbf7 (diff)
downloadlinux-a408f135c4c2ba3948e1bbdbe5eff115f3d5d058.tar.xz
Documentation: ACPI: EINJ: Fix obsolete example
commit 9066e151c37950af92c3be6a7270daa8e8063db9 upstream. Since commit 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()"), the EINJ debugfs interface no longer accepts negative values as input. Attempt to do so will result in EINVAL. Fixes: 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()") Signed-off-by: Qifu Zhang <zhangqifu@bytedance.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/firmware-guide/acpi/apei/einj.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/firmware-guide/acpi/apei/einj.rst b/Documentation/firmware-guide/acpi/apei/einj.rst
index e588bccf5158..344284236a81 100644
--- a/Documentation/firmware-guide/acpi/apei/einj.rst
+++ b/Documentation/firmware-guide/acpi/apei/einj.rst
@@ -168,7 +168,7 @@ An error injection example::
0x00000008 Memory Correctable
0x00000010 Memory Uncorrectable non-fatal
# echo 0x12345000 > param1 # Set memory address for injection
- # echo $((-1 << 12)) > param2 # Mask 0xfffffffffffff000 - anywhere in this page
+ # echo 0xfffffffffffff000 > param2 # Mask - anywhere in this page
# echo 0x8 > error_type # Choose correctable memory error
# echo 1 > error_inject # Inject now