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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/resctrl/core.c2
-rw-r--r--arch/x86/kernel/cpu/resctrl/ctrlmondata.c3
2 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 3266ea36667c..03cfbf0fe000 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -828,7 +828,6 @@ static __init void rdt_init_res_defs_intel(void)
if (r->rid == RDT_RESOURCE_L3 ||
r->rid == RDT_RESOURCE_L2) {
r->cache.arch_has_sparse_bitmaps = false;
- r->cache.arch_has_empty_bitmaps = false;
r->cache.arch_has_per_cpu_cfg = false;
r->cache.min_cbm_bits = 1;
} else if (r->rid == RDT_RESOURCE_MBA) {
@@ -849,7 +848,6 @@ static __init void rdt_init_res_defs_amd(void)
if (r->rid == RDT_RESOURCE_L3 ||
r->rid == RDT_RESOURCE_L2) {
r->cache.arch_has_sparse_bitmaps = true;
- r->cache.arch_has_empty_bitmaps = true;
r->cache.arch_has_per_cpu_cfg = true;
r->cache.min_cbm_bits = 0;
} else if (r->rid == RDT_RESOURCE_MBA) {
diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
index 1dafbdc5ac31..1df0e3262bca 100644
--- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
+++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
@@ -105,8 +105,7 @@ static bool cbm_validate(char *buf, u32 *data, struct rdt_resource *r)
return false;
}
- if ((!r->cache.arch_has_empty_bitmaps && val == 0) ||
- val > r->default_ctrl) {
+ if ((r->cache.min_cbm_bits > 0 && val == 0) || val > r->default_ctrl) {
rdt_last_cmd_puts("Mask out of range\n");
return false;
}