From 9066e151c37950af92c3be6a7270daa8e8063db9 Mon Sep 17 00:00:00 2001 From: Qifu Zhang Date: Tue, 19 Jul 2022 19:50:13 +0800 Subject: [PATCH] Documentation: ACPI: EINJ: Fix obsolete example 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 Reviewed-by: Tony Luck Signed-off-by: Rafael J. Wysocki --- Documentation/firmware-guide/acpi/apei/einj.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/firmware-guide/acpi/apei/einj.rst b/Documentation/firmware-guide/acpi/apei/einj.rst index 55e2331a6438..d6b61d22f525 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