This is a note to let you know that I've just added the patch titled EDAC/mc_sysfs: Increase legacy channel support to 12 to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: edac-mc_sysfs-increase-legacy-channel-support-to-12.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 25836ce1df827cb4830291cb2325067efb46753a Mon Sep 17 00:00:00 2001 From: Yazen Ghannam <yazen.ghannam@xxxxxxx> Date: Tue, 18 Oct 2022 10:36:30 -0500 Subject: EDAC/mc_sysfs: Increase legacy channel support to 12 From: Yazen Ghannam <yazen.ghannam@xxxxxxx> commit 25836ce1df827cb4830291cb2325067efb46753a upstream. Newer AMD systems, such as Genoa, can support up to 12 channels per EDAC "mc" device. These are detected by the device's EDAC module, and the current EDAC interface is properly enumerated. However, the legacy EDAC sysfs interface provides device attributes only for channels 0 to 7. Therefore, channels 8 to 11 will not be visible in the legacy interface. This was overlooked in the initial support for AMD Genoa. Add additional device attributes so that up to 12 channels are visible in the legacy EDAC sysfs interface. Fixes: e2be5955a886 ("EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh") Signed-off-by: Yazen Ghannam <yazen.ghannam@xxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20221018153630.14664-1-yazen.ghannam@xxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/edac/edac_mc_sysfs.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -298,6 +298,14 @@ DEVICE_CHANNEL(ch6_dimm_label, S_IRUGO | channel_dimm_label_show, channel_dimm_label_store, 6); DEVICE_CHANNEL(ch7_dimm_label, S_IRUGO | S_IWUSR, channel_dimm_label_show, channel_dimm_label_store, 7); +DEVICE_CHANNEL(ch8_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 8); +DEVICE_CHANNEL(ch9_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 9); +DEVICE_CHANNEL(ch10_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 10); +DEVICE_CHANNEL(ch11_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 11); /* Total possible dynamic DIMM Label attribute file table */ static struct attribute *dynamic_csrow_dimm_attr[] = { @@ -309,6 +317,10 @@ static struct attribute *dynamic_csrow_d &dev_attr_legacy_ch5_dimm_label.attr.attr, &dev_attr_legacy_ch6_dimm_label.attr.attr, &dev_attr_legacy_ch7_dimm_label.attr.attr, + &dev_attr_legacy_ch8_dimm_label.attr.attr, + &dev_attr_legacy_ch9_dimm_label.attr.attr, + &dev_attr_legacy_ch10_dimm_label.attr.attr, + &dev_attr_legacy_ch11_dimm_label.attr.attr, NULL }; @@ -329,6 +341,14 @@ DEVICE_CHANNEL(ch6_ce_count, S_IRUGO, channel_ce_count_show, NULL, 6); DEVICE_CHANNEL(ch7_ce_count, S_IRUGO, channel_ce_count_show, NULL, 7); +DEVICE_CHANNEL(ch8_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 8); +DEVICE_CHANNEL(ch9_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 9); +DEVICE_CHANNEL(ch10_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 10); +DEVICE_CHANNEL(ch11_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 11); /* Total possible dynamic ce_count attribute file table */ static struct attribute *dynamic_csrow_ce_count_attr[] = { @@ -340,6 +360,10 @@ static struct attribute *dynamic_csrow_c &dev_attr_legacy_ch5_ce_count.attr.attr, &dev_attr_legacy_ch6_ce_count.attr.attr, &dev_attr_legacy_ch7_ce_count.attr.attr, + &dev_attr_legacy_ch8_ce_count.attr.attr, + &dev_attr_legacy_ch9_ce_count.attr.attr, + &dev_attr_legacy_ch10_ce_count.attr.attr, + &dev_attr_legacy_ch11_ce_count.attr.attr, NULL }; Patches currently in stable-queue which might be from yazen.ghannam@xxxxxxx are queue-6.1/x86-mce-amd-clear-dfr-errors-found-in-thr-handler.patch queue-6.1/edac-mc_sysfs-increase-legacy-channel-support-to-12.patch