diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/core.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/core.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index cf6491eeadc6..3bd245b057c4 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -57,7 +57,8 @@ int max_name_width, max_data_width; bool rdt_alloc_capable; static void -mba_wrmsr(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r); +mba_wrmsr_intel(struct rdt_domain *d, struct msr_param *m, + struct rdt_resource *r); static void cat_wrmsr(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r); @@ -171,10 +172,7 @@ struct rdt_resource rdt_resources_all[] = { .rid = RDT_RESOURCE_MBA, .name = "MB", .domains = domain_init(RDT_RESOURCE_MBA), - .msr_base = MSR_IA32_MBA_THRTL_BASE, - .msr_update = mba_wrmsr, .cache_level = 3, - .parse_ctrlval = parse_bw, .format_str = "%d=%*u", .fflags = RFTYPE_RES_MB, }, @@ -357,7 +355,8 @@ u32 delay_bw_map(unsigned long bw, struct rdt_resource *r) } static void -mba_wrmsr(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r) +mba_wrmsr_intel(struct rdt_domain *d, struct msr_param *m, + struct rdt_resource *r) { unsigned int i; @@ -874,6 +873,25 @@ static __init bool get_rdt_resources(void) return (rdt_mon_capable || rdt_alloc_capable); } +static __init void rdt_init_res_defs_intel(void) +{ + struct rdt_resource *r; + + for_each_rdt_resource(r) { + if (r->rid == RDT_RESOURCE_MBA) { + r->msr_base = MSR_IA32_MBA_THRTL_BASE; + r->msr_update = mba_wrmsr_intel; + r->parse_ctrlval = parse_bw_intel; + } + } +} + +static __init void rdt_init_res_defs(void) +{ + if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) + rdt_init_res_defs_intel(); +} + static enum cpuhp_state rdt_online; static int __init resctrl_late_init(void) @@ -881,6 +899,12 @@ static int __init resctrl_late_init(void) struct rdt_resource *r; int state, ret; + /* + * Initialize functions(or definitions) that are different + * between vendors here. + */ + rdt_init_res_defs(); + check_quirks(); if (!get_rdt_resources()) |