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Pass the leaf number to rdt_get_cache_alloc_cfg() so callers can select the enumeration leaf. This prepares the helper for asymmetric allocation without changing current behavior. Signed-off-by: Tony Luck --- arch/x86/kernel/cpu/resctrl/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 6df8e3c03289..7981ddbde8c9 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -348,7 +348,7 @@ static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r) return true; } -static struct resctrl_ctrl *rdt_get_cache_alloc_cfg(int idx, struct rdt_resource *r) +static struct resctrl_ctrl *rdt_get_cache_alloc_cfg(int leaf, int idx, struct rdt_resource *r) { struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); struct resctrl_hw_ctrl *hw_ctrl; @@ -357,7 +357,7 @@ static struct resctrl_ctrl *rdt_get_cache_alloc_cfg(int idx, struct rdt_resource union cpuid_0x10_x_edx edx; u32 ebx, default_ctrl; - cpuid_count(CPUID_LEAF_RDT_A, idx, &eax.full, &ebx, &ecx.full, &edx.full); + cpuid_count(leaf, idx, &eax.full, &ebx, &ecx.full, &edx.full); hw_res->num_closid = edx.split.cos_max + 1; hw_ctrl = kzalloc_obj(*hw_ctrl); if (!hw_ctrl) @@ -1065,7 +1065,7 @@ static __init bool get_rdt_alloc_resources(void) if (rdt_cpu_has(X86_FEATURE_CAT_L3)) { r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; - ctrl = rdt_get_cache_alloc_cfg(1, r); + ctrl = rdt_get_cache_alloc_cfg(CPUID_LEAF_RDT_A, 1, r); if (ctrl) { if (rdt_cpu_has(X86_FEATURE_CDP_L3)) rdt_get_cdp_l3_config(); @@ -1079,7 +1079,7 @@ static __init bool get_rdt_alloc_resources(void) if (rdt_cpu_has(X86_FEATURE_CAT_L2)) { /* CPUID 0x10.2 fields are same format as 0x10.1 */ r = &rdt_resources_all[RDT_RESOURCE_L2].r_resctrl; - ctrl = rdt_get_cache_alloc_cfg(2, r); + ctrl = rdt_get_cache_alloc_cfg(CPUID_LEAF_RDT_A, 2, r); if (ctrl) { if (rdt_cpu_has(X86_FEATURE_CDP_L2)) rdt_get_cdp_l2_config(); -- 2.56.0