From: Li Ming Date: Tue, 3 Jun 2025 10:43:14 +0000 (+0800) Subject: cxl/Documentation: Add more description about min/max scrub cycle X-Git-Tag: v6.16-rc4~15^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=85cc50bfcb8b08c9304925b66cd2bc83c1c765bf;p=thirdparty%2Flinux.git cxl/Documentation: Add more description about min/max scrub cycle user can configurare scrub cycle for a region or a memory device via sysfs interface. Currently, these interfaces have not enough description for the return value. So adding return value description to these interfaces. Suggested-by: Alison Schofield Signed-off-by: Shiju Jose Signed-off-by: Li Ming Reviewed-by: Jonathan Cameron Reviewed-by: Dave Jiang Reviewed-by: Davidlohr Bueso Link: https://patch.msgid.link/20250603104314.25569-2-ming.li@zohomail.com Signed-off-by: Dave Jiang --- diff --git a/Documentation/ABI/testing/sysfs-edac-scrub b/Documentation/ABI/testing/sysfs-edac-scrub index c43be90deab4..ab6014743da5 100644 --- a/Documentation/ABI/testing/sysfs-edac-scrub +++ b/Documentation/ABI/testing/sysfs-edac-scrub @@ -49,6 +49,12 @@ Description: (RO) Supported minimum scrub cycle duration in seconds by the memory scrubber. + Device-based scrub: returns the minimum scrub cycle + supported by the memory device. + + Region-based scrub: returns the max of minimum scrub cycles + supported by individual memory devices that back the region. + What: /sys/bus/edac/devices//scrubX/max_cycle_duration Date: March 2025 KernelVersion: 6.15 @@ -57,6 +63,16 @@ Description: (RO) Supported maximum scrub cycle duration in seconds by the memory scrubber. + Device-based scrub: returns the maximum scrub cycle supported + by the memory device. + + Region-based scrub: returns the min of maximum scrub cycles + supported by individual memory devices that back the region. + + If the memory device does not provide maximum scrub cycle + information, return the maximum supported value of the scrub + cycle field. + What: /sys/bus/edac/devices//scrubX/current_cycle_duration Date: March 2025 KernelVersion: 6.15