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authorBabu Moger <babu.moger@amd.com>2022-09-27 23:16:36 +0300
committerBorislav Petkov <bp@suse.de>2022-10-24 11:30:29 +0300
commit2d4daa549c17b6ba4845a751c7a78d3b2419d78f (patch)
treeab16843269cc982c7a92c8c3510a3858e5bc35d1 /include/linux/resctrl.h
parent247f34f7b80357943234f93f247a1ae6b6c3a740 (diff)
downloadlinux-2d4daa549c17b6ba4845a751c7a78d3b2419d78f.tar.xz
x86/resctrl: Remove arch_has_empty_bitmaps
The field arch_has_empty_bitmaps is not required anymore. The field min_cbm_bits is enough to validate the CBM (capacity bit mask) if the architecture can support the zero CBM or not. Suggested-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Reviewed-by: Fenghua Yu <fenghua.yu@intel.com> Link: https://lore.kernel.org/r/166430979654.372014.615622285687642644.stgit@bmoger-ubuntu
Diffstat (limited to 'include/linux/resctrl.h')
-rw-r--r--include/linux/resctrl.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h
index 0cf5b20c6ddf..0cee154abc9f 100644
--- a/include/linux/resctrl.h
+++ b/include/linux/resctrl.h
@@ -89,11 +89,12 @@ struct rdt_domain {
/**
* struct resctrl_cache - Cache allocation related data
* @cbm_len: Length of the cache bit mask
- * @min_cbm_bits: Minimum number of consecutive bits to be set
+ * @min_cbm_bits: Minimum number of consecutive bits to be set.
+ * The value 0 means the architecture can support
+ * zero CBM.
* @shareable_bits: Bitmask of shareable resource with other
* executing entities
* @arch_has_sparse_bitmaps: True if a bitmap like f00f is valid.
- * @arch_has_empty_bitmaps: True if the '0' bitmap is valid.
* @arch_has_per_cpu_cfg: True if QOS_CFG register for this cache
* level has CPU scope.
*/
@@ -102,7 +103,6 @@ struct resctrl_cache {
unsigned int min_cbm_bits;
unsigned int shareable_bits;
bool arch_has_sparse_bitmaps;
- bool arch_has_empty_bitmaps;
bool arch_has_per_cpu_cfg;
};