diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2024-02-06 20:03:37 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2024-02-17 08:20:34 +0100 |
| commit | 00413c15068276f6e5a50215849a8d4bd812b443 (patch) | |
| tree | 9f0f537772ccbd83920085209cfc6b2a77fe5043 /drivers/cxl/core/mbox.c | |
| parent | cxl/region: Allow out of order assembly of autodiscovered regions (diff) | |
| download | linux-00413c15068276f6e5a50215849a8d4bd812b443.tar.xz linux-00413c15068276f6e5a50215849a8d4bd812b443.zip | |
cxl: Change 'struct cxl_memdev_state' *_perf_list to single 'struct cxl_dpa_perf'
In order to address the issue with being able to expose qos_class sysfs
attributes under 'ram' and 'pmem' sub-directories, the attributes must
be defined as static attributes rather than under driver->dev_groups.
To avoid implementing locking for accessing the 'struct cxl_dpa_perf`
lists, convert the list to a single 'struct cxl_dpa_perf' entry in
preparation to move the attributes to statically defined.
While theoretically a partition may have multiple qos_class via CDAT, this
has not been encountered with testing on available hardware. The code is
simplified for now to not support the complex case until a use case is
needed to support that.
Link: https://lore.kernel.org/linux-cxl/65b200ba228f_2d43c29468@dwillia2-mobl3.amr.corp.intel.com.notmuch/
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20240206190431.1810289-2-dave.jiang@intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core/mbox.c')
| -rw-r--r-- | drivers/cxl/core/mbox.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index 27166a411705..9adda4795eb7 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -1391,8 +1391,8 @@ struct cxl_memdev_state *cxl_memdev_state_create(struct device *dev) mds->cxlds.reg_map.host = dev; mds->cxlds.reg_map.resource = CXL_RESOURCE_NONE; mds->cxlds.type = CXL_DEVTYPE_CLASSMEM; - INIT_LIST_HEAD(&mds->ram_perf_list); - INIT_LIST_HEAD(&mds->pmem_perf_list); + mds->ram_perf.qos_class = CXL_QOS_CLASS_INVALID; + mds->pmem_perf.qos_class = CXL_QOS_CLASS_INVALID; return mds; } |