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Subject[RFC PATCH 18/20] x86/intel_rdt: Remove the CODE/DATA illusionary caches
Date
Now that nothing uses these caches, remove them.

Signed-off-by: James Morse <james.morse@arm.com>
---
arch/x86/kernel/cpu/intel_rdt.c | 69 ---------------------------------
arch/x86/kernel/cpu/intel_rdt.h | 4 --
2 files changed, 73 deletions(-)

diff --git a/arch/x86/kernel/cpu/intel_rdt.c b/arch/x86/kernel/cpu/intel_rdt.c
index 96b1aab36053..f6f1eceb366f 100644
--- a/arch/x86/kernel/cpu/intel_rdt.c
+++ b/arch/x86/kernel/cpu/intel_rdt.c
@@ -84,41 +84,6 @@ struct rdt_hw_resource rdt_resources_all[] = {
.msr_base = IA32_L3_CBM_BASE,
.msr_update = cat_wrmsr,
},
- [RDT_RESOURCE_L3DATA] =
- {
- .rid = RDT_RESOURCE_L3DATA,
- .resctrl = {
- .name = "L3DATA",
- .cache_level = 3,
- .cache = {
- .min_cbm_bits = 1,
- },
- .domains = domain_init(RDT_RESOURCE_L3DATA),
- .parse_ctrlval = parse_cbm,
- .format_str = "%d=%0*x",
- .fflags = RFTYPE_RES_CACHE,
- },
- .msr_base = IA32_L3_CBM_BASE,
- .msr_update = cat_wrmsr,
-
- },
- [RDT_RESOURCE_L3CODE] =
- {
- .rid = RDT_RESOURCE_L3CODE,
- .resctrl = {
- .name = "L3CODE",
- .cache_level = 3,
- .cache = {
- .min_cbm_bits = 1,
- },
- .domains = domain_init(RDT_RESOURCE_L3CODE),
- .parse_ctrlval = parse_cbm,
- .format_str = "%d=%0*x",
- .fflags = RFTYPE_RES_CACHE,
- },
- .msr_base = IA32_L3_CBM_BASE,
- .msr_update = cat_wrmsr,
- },
[RDT_RESOURCE_L2] =
{
.rid = RDT_RESOURCE_L2,
@@ -136,40 +101,6 @@ struct rdt_hw_resource rdt_resources_all[] = {
.msr_base = IA32_L2_CBM_BASE,
.msr_update = cat_wrmsr,
},
- [RDT_RESOURCE_L2DATA] =
- {
- .rid = RDT_RESOURCE_L2DATA,
- .resctrl = {
- .name = "L2DATA",
- .cache_level = 2,
- .cache = {
- .min_cbm_bits = 1,
- },
- .domains = domain_init(RDT_RESOURCE_L2DATA),
- .parse_ctrlval = parse_cbm,
- .format_str = "%d=%0*x",
- .fflags = RFTYPE_RES_CACHE,
- },
- .msr_base = IA32_L2_CBM_BASE,
- .msr_update = cat_wrmsr,
- },
- [RDT_RESOURCE_L2CODE] =
- {
- .rid = RDT_RESOURCE_L2CODE,
- .resctrl = {
- .name = "L2CODE",
- .cache_level = 2,
- .cache = {
- .min_cbm_bits = 1,
- },
- .domains = domain_init(RDT_RESOURCE_L2CODE),
- .parse_ctrlval = parse_cbm,
- .format_str = "%d=%0*x",
- .fflags = RFTYPE_RES_CACHE,
- },
- .msr_base = IA32_L2_CBM_BASE,
- .msr_update = cat_wrmsr,
- },
[RDT_RESOURCE_MBA] =
{
.rid = RDT_RESOURCE_MBA,
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h
index fd5c0b3dc797..a4aba005cfea 100644
--- a/arch/x86/kernel/cpu/intel_rdt.h
+++ b/arch/x86/kernel/cpu/intel_rdt.h
@@ -311,11 +311,7 @@ int __init rdtgroup_init(void);

enum {
RDT_RESOURCE_L3,
- RDT_RESOURCE_L3DATA,
- RDT_RESOURCE_L3CODE,
RDT_RESOURCE_L2,
- RDT_RESOURCE_L2DATA,
- RDT_RESOURCE_L2CODE,
RDT_RESOURCE_MBA,

/* Must be the last */
--
2.18.0
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