From: Dave Jiang <dave.jiang@intel.com>
To: Li Ming <ming.li@zohomail.com>,
dave@stgolabs.net, jonathan.cameron@huawei.com,
alison.schofield@intel.com, vishal.l.verma@intel.com,
ira.weiny@intel.com, dan.j.williams@intel.com,
shiju.jose@huawei.com
Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 2/2] cxl/Documentation: Add more description about min/max scrub cycle
Date: Tue, 3 Jun 2025 15:41:15 -0700 [thread overview]
Message-ID: <aba5fbcc-981d-4591-ba47-d879656c999f@intel.com> (raw)
In-Reply-To: <20250603104314.25569-2-ming.li@zohomail.com>
On 6/3/25 3:43 AM, Li Ming wrote:
> user can configurare scrub cycle for a region or a memory device via
s/configurare/configure/
> 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 <alison.schofield@intel.com>
> Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
> Signed-off-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> ---
> Documentation/ABI/testing/sysfs-edac-scrub | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> 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/<dev-name>/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/<dev-name>/scrubX/current_cycle_duration
> Date: March 2025
> KernelVersion: 6.15
next prev parent reply other threads:[~2025-06-03 22:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-03 10:43 [PATCH v1 1/2] cxl/edac: Fix the min_scrub_cycle of a region miscalculation Li Ming
2025-06-03 10:43 ` [PATCH v1 2/2] cxl/Documentation: Add more description about min/max scrub cycle Li Ming
2025-06-03 22:41 ` Dave Jiang [this message]
2025-06-09 17:05 ` Jonathan Cameron
2025-06-10 16:24 ` Davidlohr Bueso
2025-06-03 17:06 ` [PATCH v1 1/2] cxl/edac: Fix the min_scrub_cycle of a region miscalculation Shiju Jose
2025-06-03 22:39 ` Dave Jiang
2025-06-09 17:06 ` Jonathan Cameron
2025-06-09 20:48 ` Dave Jiang
2025-06-10 16:13 ` Davidlohr Bueso
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