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authorIngo Molnar <mingo@kernel.org>2025-05-13 10:42:06 +0200
committerIngo Molnar <mingo@kernel.org>2025-05-13 10:42:06 +0200
commit1f82e8e1ca18aa0b020538a3f227f5d56382638e (patch)
tree48234576b88abf45381ae3afdd9df9d9a641e6aa /arch/x86/kernel/cpu
parent34be751998c1407a460efe3a20f9c4ddb8c82b9f (diff)
parent9cf78722003178b09c409df9aafe9d79e5b9a74e (diff)
Merge branch 'x86/msr' into x86/core, to resolve conflicts
Conflicts: arch/x86/boot/startup/sme.c arch/x86/coco/sev/core.c arch/x86/kernel/fpu/core.c arch/x86/kernel/fpu/xstate.c Semantic conflict: arch/x86/include/asm/sev-internal.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/amd.c31
-rw-r--r--arch/x86/kernel/cpu/aperfmperf.c29
-rw-r--r--arch/x86/kernel/cpu/bugs.c24
-rw-r--r--arch/x86/kernel/cpu/bus_lock.c19
-rw-r--r--arch/x86/kernel/cpu/common.c78
-rw-r--r--arch/x86/kernel/cpu/feat_ctl.c5
-rw-r--r--arch/x86/kernel/cpu/hygon.c7
-rw-r--r--arch/x86/kernel/cpu/intel.c10
-rw-r--r--arch/x86/kernel/cpu/intel_epb.c12
-rw-r--r--arch/x86/kernel/cpu/mce/amd.c22
-rw-r--r--arch/x86/kernel/cpu/mce/core.c66
-rw-r--r--arch/x86/kernel/cpu/mce/inject.c33
-rw-r--r--arch/x86/kernel/cpu/mce/intel.c32
-rw-r--r--arch/x86/kernel/cpu/mce/internal.h2
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c2
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c1
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c2
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c13
-rw-r--r--arch/x86/kernel/cpu/resctrl/core.c11
-rw-r--r--arch/x86/kernel/cpu/resctrl/monitor.c3
-rw-r--r--arch/x86/kernel/cpu/resctrl/pseudo_lock.c27
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c9
-rw-r--r--arch/x86/kernel/cpu/sgx/main.c3
-rw-r--r--arch/x86/kernel/cpu/topology.c3
-rw-r--r--arch/x86/kernel/cpu/topology_amd.c5
-rw-r--r--arch/x86/kernel/cpu/tsx.c21
-rw-r--r--arch/x86/kernel/cpu/umwait.c6
-rw-r--r--arch/x86/kernel/cpu/zhaoxin.c1
28 files changed, 247 insertions, 230 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 2b36379ff675..d8365c4d9057 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -21,6 +21,7 @@
#include <asm/delay.h>
#include <asm/debugreg.h>
#include <asm/resctrl.h>
+#include <asm/msr.h>
#include <asm/sev.h>
#ifdef CONFIG_X86_64
@@ -31,7 +32,7 @@
u16 invlpgb_count_max __ro_after_init;
-static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
+static inline int rdmsrq_amd_safe(unsigned msr, u64 *p)
{
u32 gprs[8] = { 0 };
int err;
@@ -49,7 +50,7 @@ static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
return err;
}
-static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val)
+static inline int wrmsrq_amd_safe(unsigned msr, u64 val)
{
u32 gprs[8] = { 0 };
@@ -383,7 +384,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
(c->x86 == 0x10 && c->x86_model >= 0x2)) {
u64 val;
- rdmsrl(MSR_K7_HWCR, val);
+ rdmsrq(MSR_K7_HWCR, val);
if (!(val & BIT(24)))
pr_warn(FW_BUG "TSC doesn't count with P0 frequency!\n");
}
@@ -422,7 +423,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
* Try to cache the base value so further operations can
* avoid RMW. If that faults, do not enable SSBD.
*/
- if (!rdmsrl_safe(MSR_AMD64_LS_CFG, &x86_amd_ls_cfg_base)) {
+ if (!rdmsrq_safe(MSR_AMD64_LS_CFG, &x86_amd_ls_cfg_base)) {
setup_force_cpu_cap(X86_FEATURE_LS_CFG_SSBD);
setup_force_cpu_cap(X86_FEATURE_SSBD);
x86_amd_ls_cfg_ssbd_mask = 1ULL << bit;
@@ -508,7 +509,7 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
*/
if (cpu_has(c, X86_FEATURE_SME) || cpu_has(c, X86_FEATURE_SEV)) {
/* Check if memory encryption is enabled */
- rdmsrl(MSR_AMD64_SYSCFG, msr);
+ rdmsrq(MSR_AMD64_SYSCFG, msr);
if (!(msr & MSR_AMD64_SYSCFG_MEM_ENCRYPT))
goto clear_all;
@@ -525,7 +526,7 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
if (!sme_me_mask)
setup_clear_cpu_cap(X86_FEATURE_SME);
- rdmsrl(MSR_K7_HWCR, msr);
+ rdmsrq(MSR_K7_HWCR, msr);
if (!(msr & MSR_K7_HWCR_SMMLOCK))
goto clear_sev;
@@ -612,7 +613,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
if (!cpu_has(c, X86_FEATURE_HYPERVISOR) && !cpu_has(c, X86_FEATURE_IBPB_BRTYPE)) {
if (c->x86 == 0x17 && boot_cpu_has(X86_FEATURE_AMD_IBPB))
setup_force_cpu_cap(X86_FEATURE_IBPB_BRTYPE);
- else if (c->x86 >= 0x19 && !wrmsrl_safe(MSR_IA32_PRED_CMD, PRED_CMD_SBPB)) {
+ else if (c->x86 >= 0x19 && !wrmsrq_safe(MSR_IA32_PRED_CMD, PRED_CMD_SBPB)) {
setup_force_cpu_cap(X86_FEATURE_IBPB_BRTYPE);
setup_force_cpu_cap(X86_FEATURE_SBPB);
}
@@ -636,9 +637,9 @@ static void init_amd_k8(struct cpuinfo_x86 *c)
*/
if (c->x86_model < 0x14 && cpu_has(c, X86_FEATURE_LAHF_LM) && !cpu_has(c, X86_FEATURE_HYPERVISOR)) {
clear_cpu_cap(c, X86_FEATURE_LAHF_LM);
- if (!rdmsrl_amd_safe(0xc001100d, &value)) {
+ if (!rdmsrq_amd_safe(0xc001100d, &value)) {
value &= ~BIT_64(32);
- wrmsrl_amd_safe(0xc001100d, value);
+ wrmsrq_amd_safe(0xc001100d, value);
}
}
@@ -788,9 +789,9 @@ static void init_amd_bd(struct cpuinfo_x86 *c)
* Disable it on the affected CPUs.
*/
if ((c->x86_model >= 0x02) && (c->x86_model < 0x20)) {
- if (!rdmsrl_safe(MSR_F15H_IC_CFG, &value) && !(value & 0x1E)) {
+ if (!rdmsrq_safe(MSR_F15H_IC_CFG, &value) && !(value & 0x1E)) {
value |= 0x1E;
- wrmsrl_safe(MSR_F15H_IC_CFG, value);
+ wrmsrq_safe(MSR_F15H_IC_CFG, value);
}
}
@@ -839,9 +840,9 @@ void init_spectral_chicken(struct cpuinfo_x86 *c)
* suppresses non-branch predictions.
*/
if (!cpu_has(c, X86_FEATURE_HYPERVISOR)) {
- if (!rdmsrl_safe(MSR_ZEN2_SPECTRAL_CHICKEN, &value)) {
+ if (!rdmsrq_safe(MSR_ZEN2_SPECTRAL_CHICKEN, &value)) {
value |= MSR_ZEN2_SPECTRAL_CHICKEN_BIT;
- wrmsrl_safe(MSR_ZEN2_SPECTRAL_CHICKEN, value);
+ wrmsrq_safe(MSR_ZEN2_SPECTRAL_CHICKEN, value);
}
}
#endif
@@ -1025,7 +1026,7 @@ static void init_amd(struct cpuinfo_x86 *c)
init_amd_cacheinfo(c);
if (cpu_has(c, X86_FEATURE_SVM)) {
- rdmsrl(MSR_VM_CR, vm_cr);
+ rdmsrq(MSR_VM_CR, vm_cr);
if (vm_cr & SVM_VM_CR_SVM_DIS_MASK) {
pr_notice_once("SVM disabled (by BIOS) in MSR_VM_CR\n");
clear_cpu_cap(c, X86_FEATURE_SVM);
@@ -1206,7 +1207,7 @@ void amd_set_dr_addr_mask(unsigned long mask, unsigned int dr)
if (per_cpu(amd_dr_addr_mask, cpu)[dr] == mask)
return;
- wrmsr(amd_msr_dr_addr_masks[dr], mask, 0);
+ wrmsrq(amd_msr_dr_addr_masks[dr], mask);
per_cpu(amd_dr_addr_mask, cpu)[dr] = mask;
}
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index 6cf31a1649c4..a315b0627dfb 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -20,6 +20,7 @@
#include <asm/cpu.h>
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
+#include <asm/msr.h>
#include "cpu.h"
@@ -40,8 +41,8 @@ static void init_counter_refs(void)
{
u64 aperf, mperf;
- rdmsrl(MSR_IA32_APERF, aperf);
- rdmsrl(MSR_IA32_MPERF, mperf);
+ rdmsrq(MSR_IA32_APERF, aperf);
+ rdmsrq(MSR_IA32_MPERF, mperf);
this_cpu_write(cpu_samples.aperf, aperf);
this_cpu_write(cpu_samples.mperf, mperf);
@@ -99,7 +100,7 @@ static bool __init turbo_disabled(void)
u64 misc_en;
int err;
- err = rdmsrl_safe(MSR_IA32_MISC_ENABLE, &misc_en);
+ err = rdmsrq_safe(MSR_IA32_MISC_ENABLE, &misc_en);
if (err)
return false;
@@ -110,11 +111,11 @@ static bool __init slv_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq)
{
int err;
- err = rdmsrl_safe(MSR_ATOM_CORE_RATIOS, base_freq);
+ err = rdmsrq_safe(MSR_ATOM_CORE_RATIOS, base_freq);
if (err)
return false;
- err = rdmsrl_safe(MSR_ATOM_CORE_TURBO_RATIOS, turbo_freq);
+ err = rdmsrq_safe(MSR_ATOM_CORE_TURBO_RATIOS, turbo_freq);
if (err)
return false;
@@ -152,13 +153,13 @@ static bool __init knl_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq,
int err, i;
u64 msr;
- err = rdmsrl_safe(MSR_PLATFORM_INFO, base_freq);
+ err = rdmsrq_safe(MSR_PLATFORM_INFO, base_freq);
if (err)
return false;
*base_freq = (*base_freq >> 8) & 0xFF; /* max P state */
- err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT, &msr);
+ err = rdmsrq_safe(MSR_TURBO_RATIO_LIMIT, &msr);
if (err)
return false;
@@ -190,17 +191,17 @@ static bool __init skx_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq, int s
u32 group_size;
int err, i;
- err = rdmsrl_safe(MSR_PLATFORM_INFO, base_freq);
+ err = rdmsrq_safe(MSR_PLATFORM_INFO, base_freq);
if (err)
return false;
*base_freq = (*base_freq >> 8) & 0xFF; /* max P state */
- err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT, &ratios);
+ err = rdmsrq_safe(MSR_TURBO_RATIO_LIMIT, &ratios);
if (err)
return false;
- err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT1, &counts);
+ err = rdmsrq_safe(MSR_TURBO_RATIO_LIMIT1, &counts);
if (err)
return false;
@@ -220,11 +221,11 @@ static bool __init core_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq)
u64 msr;
int err;
- err = rdmsrl_safe(MSR_PLATFORM_INFO, base_freq);
+ err = rdmsrq_safe(MSR_PLATFORM_INFO, base_freq);
if (err)
return false;
- err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT, &msr);
+ err = rdmsrq_safe(MSR_TURBO_RATIO_LIMIT, &msr);
if (err)
return false;
@@ -474,8 +475,8 @@ void arch_scale_freq_tick(void)
if (!cpu_feature_enabled(X86_FEATURE_APERFMPERF))
return;
- rdmsrl(MSR_IA32_APERF, aperf);
- rdmsrl(MSR_IA32_MPERF, mperf);
+ rdmsrq(MSR_IA32_APERF, aperf);
+ rdmsrq(MSR_IA32_MPERF, mperf);
acnt = aperf - s->aperf;
mcnt = mperf - s->mperf;
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 7caba0bb737d..a938fb4add65 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -112,7 +112,7 @@ void (*x86_return_thunk)(void) __ro_after_init = __x86_return_thunk;
static void update_spec_ctrl(u64 val)
{
this_cpu_write(x86_spec_ctrl_current, val);
- wrmsrl(MSR_IA32_SPEC_CTRL, val);
+ wrmsrq(MSR_IA32_SPEC_CTRL, val);
}
/*
@@ -131,7 +131,7 @@ void update_spec_ctrl_cond(u64 val)
* forced the update can be delayed until that time.
*/
if (!cpu_feature_enabled(X86_FEATURE_KERNEL_IBRS))
- wrmsrl(MSR_IA32_SPEC_CTRL, val);
+ wrmsrq(MSR_IA32_SPEC_CTRL, val);
}
noinstr u64 spec_ctrl_current(void)
@@ -185,7 +185,7 @@ void __init cpu_select_mitigations(void)
* init code as it is not enumerated and depends on the family.
*/
if (cpu_feature_enabled(X86_FEATURE_MSR_SPEC_CTRL)) {
- rdmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
+ rdmsrq(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
/*
* Previously running kernel (kexec), may have some controls
@@ -303,9 +303,9 @@ static void x86_amd_ssb_disable(void)
u64 msrval = x86_amd_ls_cfg_base | x86_amd_ls_cfg_ssbd_mask;
if (boot_cpu_has(X86_FEATURE_VIRT_SSBD))
- wrmsrl(MSR_AMD64_VIRT_SPEC_CTRL, SPEC_CTRL_SSBD);
+ wrmsrq(MSR_AMD64_VIRT_SPEC_CTRL, SPEC_CTRL_SSBD);
else if (boot_cpu_has(X86_FEATURE_LS_CFG_SSBD))
- wrmsrl(MSR_AMD64_LS_CFG, msrval);
+ wrmsrq(MSR_AMD64_LS_CFG, msrval);
}
#undef pr_fmt
@@ -761,7 +761,7 @@ void update_srbds_msr(void)
if (!boot_cpu_has(X86_FEATURE_SRBDS_CTRL))
return;
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
switch (srbds_mitigation) {
case SRBDS_MITIGATION_OFF:
@@ -775,7 +775,7 @@ void update_srbds_msr(void)
break;
}
- wrmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ wrmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
}
static void __init srbds_select_mitigation(void)
@@ -891,7 +891,7 @@ void update_gds_msr(void)
switch (gds_mitigation) {
case GDS_MITIGATION_OFF:
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
mcu_ctrl |= GDS_MITG_DIS;
break;
case GDS_MITIGATION_FULL_LOCKED:
@@ -901,7 +901,7 @@ void update_gds_msr(void)
* CPUs.
*/
case GDS_MITIGATION_FULL:
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
mcu_ctrl &= ~GDS_MITG_DIS;
break;
case GDS_MITIGATION_FORCE:
@@ -911,14 +911,14 @@ void update_gds_msr(void)
return;
}
- wrmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ wrmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
/*
* Check to make sure that the WRMSR value was not ignored. Writes to
* GDS_MITG_DIS will be ignored if this processor is locked but the boot
* processor was not.
*/
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl_after);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl_after);
WARN_ON_ONCE(mcu_ctrl != mcu_ctrl_after);
}
@@ -952,7 +952,7 @@ static void __init gds_select_mitigation(void)
if (gds_mitigation == GDS_MITIGATION_FORCE)
gds_mitigation = GDS_MITIGATION_FULL;
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl);
if (mcu_ctrl & GDS_MITG_LOCKED) {
if (gds_mitigation == GDS_MITIGATION_OFF)
pr_warn("Mitigation locked. Disable failed.\n");
diff --git a/arch/x86/kernel/cpu/bus_lock.c b/arch/x86/kernel/cpu/bus_lock.c
index 237faf7e700c..981f8b1f0792 100644
--- a/arch/x86/kernel/cpu/bus_lock.c
+++ b/arch/x86/kernel/cpu/bus_lock.c
@@ -10,6 +10,7 @@
#include <asm/cmdline.h>
#include <asm/traps.h>
#include <asm/cpu.h>
+#include <asm/msr.h>
enum split_lock_detect_state {
sld_off = 0,
@@ -95,15 +96,15 @@ static bool split_lock_verify_msr(bool on)
{
u64 ctrl, tmp;
- if (rdmsrl_safe(MSR_TEST_CTRL, &ctrl))
+ if (rdmsrq_safe(MSR_TEST_CTRL, &ctrl))
return false;
if (on)
ctrl |= MSR_TEST_CTRL_SPLIT_LOCK_DETECT;
else
ctrl &= ~MSR_TEST_CTRL_SPLIT_LOCK_DETECT;
- if (wrmsrl_safe(MSR_TEST_CTRL, ctrl))
+ if (wrmsrq_safe(MSR_TEST_CTRL, ctrl))
return false;
- rdmsrl(MSR_TEST_CTRL, tmp);
+ rdmsrq(MSR_TEST_CTRL, tmp);
return ctrl == tmp;
}
@@ -137,7 +138,7 @@ static void __init __split_lock_setup(void)
return;
}
- rdmsrl(MSR_TEST_CTRL, msr_test_ctrl_cache);
+ rdmsrq(MSR_TEST_CTRL, msr_test_ctrl_cache);
if (!split_lock_verify_msr(true)) {
pr_info("MSR access failed: Disabled\n");
@@ -145,7 +146,7 @@ static void __init __split_lock_setup(void)
}
/* Restore the MSR to its cached value. */
- wrmsrl(MSR_TEST_CTRL, msr_test_ctrl_cache);
+ wrmsrq(MSR_TEST_CTRL, msr_test_ctrl_cache);
setup_force_cpu_cap(X86_FEATURE_SPLIT_LOCK_DETECT);
}
@@ -162,7 +163,7 @@ static void sld_update_msr(bool on)
if (on)
test_ctrl_val |= MSR_TEST_CTRL_SPLIT_LOCK_DETECT;
- wrmsrl(MSR_TEST_CTRL, test_ctrl_val);
+ wrmsrq(MSR_TEST_CTRL, test_ctrl_val);
}
void split_lock_init(void)
@@ -297,7 +298,7 @@ void bus_lock_init(void)
if (!boot_cpu_has(X86_FEATURE_BUS_LOCK_DETECT))
return;
- rdmsrl(MSR_IA32_DEBUGCTLMSR, val);
+ rdmsrq(MSR_IA32_DEBUGCTLMSR, val);
if ((boot_cpu_has(X86_FEATURE_SPLIT_LOCK_DETECT) &&
(sld_state == sld_warn || sld_state == sld_fatal)) ||
@@ -311,7 +312,7 @@ void bus_lock_init(void)
val |= DEBUGCTLMSR_BUS_LOCK_DETECT;
}
- wrmsrl(MSR_IA32_DEBUGCTLMSR, val);
+ wrmsrq(MSR_IA32_DEBUGCTLMSR, val);
}
bool handle_user_split_lock(struct pt_regs *regs, long error_code)
@@ -375,7 +376,7 @@ static void __init split_lock_setup(struct cpuinfo_x86 *c)
* MSR_IA32_CORE_CAPS_SPLIT_LOCK_DETECT is. All CPUs that set
* it have split lock detection.
*/
- rdmsrl(MSR_IA32_CORE_CAPS, ia32_core_caps);
+ rdmsrq(MSR_IA32_CORE_CAPS, ia32_core_caps);
if (ia32_core_caps & MSR_IA32_CORE_CAPS_SPLIT_LOCK_DETECT)
goto supported;
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index f2b902200948..34efb9d2519a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -148,7 +148,7 @@ static void ppin_init(struct cpuinfo_x86 *c)
*/
info = (struct ppin_info *)id->driver_data;
- if (rdmsrl_safe(info->msr_ppin_ctl, &val))
+ if (rdmsrq_safe(info->msr_ppin_ctl, &val))
goto clear_ppin;
if ((val & 3UL) == 1UL) {
@@ -158,13 +158,13 @@ static void ppin_init(struct cpuinfo_x86 *c)
/* If PPIN is disabled, try to enable */
if (!(val & 2UL)) {
- wrmsrl_safe(info->msr_ppin_ctl, val | 2UL);
- rdmsrl_safe(info->msr_ppin_ctl, &val);
+ wrmsrq_safe(info->msr_ppin_ctl, val | 2UL);
+ rdmsrq_safe(info->msr_ppin_ctl, &val);
}
/* Is the enable bit set? */
if (val & 2UL) {
- c->ppin = __rdmsr(info->msr_ppin);
+ c->ppin = native_rdmsrq(info->msr_ppin);
set_cpu_cap(c, info->feature);
return;
}
@@ -563,9 +563,9 @@ __noendbr u64 ibt_save(bool disable)
u64 msr = 0;
if (cpu_feature_enabled(X86_FEATURE_IBT)) {
- rdmsrl(MSR_IA32_S_CET, msr);
+ rdmsrq(MSR_IA32_S_CET, msr);
if (disable)
- wrmsrl(MSR_IA32_S_CET, msr & ~CET_ENDBR_EN);
+ wrmsrq(MSR_IA32_S_CET, msr & ~CET_ENDBR_EN);
}
return msr;
@@ -576,10 +576,10 @@ __noendbr void ibt_restore(u64 save)
u64 msr;
if (cpu_feature_enabled(X86_FEATURE_IBT)) {
- rdmsrl(MSR_IA32_S_CET, msr);
+ rdmsrq(MSR_IA32_S_CET, msr);
msr &= ~CET_ENDBR_EN;
msr |= (save & CET_ENDBR_EN);
- wrmsrl(MSR_IA32_S_CET, msr);
+ wrmsrq(MSR_IA32_S_CET, msr);
}
}
@@ -603,15 +603,15 @@ static __always_inline void setup_cet(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_USER_SHSTK);
if (kernel_ibt)
- wrmsrl(MSR_IA32_S_CET, CET_ENDBR_EN);
+ wrmsrq(MSR_IA32_S_CET, CET_ENDBR_EN);
else
- wrmsrl(MSR_IA32_S_CET, 0);
+ wrmsrq(MSR_IA32_S_CET, 0);
cr4_set_bits(X86_CR4_CET);
if (kernel_ibt && ibt_selftest()) {
pr_err("IBT selftest: Failed!\n");
- wrmsrl(MSR_IA32_S_CET, 0);
+ wrmsrq(MSR_IA32_S_CET, 0);
setup_clear_cpu_cap(X86_FEATURE_IBT);
}
}
@@ -622,8 +622,8 @@ __noendbr void cet_disable(void)
cpu_feature_enabled(X86_FEATURE_SHSTK)))
return;
- wrmsrl(MSR_IA32_S_CET, 0);
- wrmsrl(MSR_IA32_U_CET, 0);
+ wrmsrq(MSR_IA32_S_CET, 0);
+ wrmsrq(MSR_IA32_U_CET, 0);
}
/*
@@ -752,9 +752,9 @@ void __init switch_gdt_and_percpu_base(int cpu)
* No need to load %gs. It is already correct.
*
* Writing %gs on 64bit would zero GSBASE which would make any per
- * CPU operation up to the point of the wrmsrl() fault.
+ * CPU operation up to the point of the wrmsrq() fault.
*
- * Set GSBASE to the new offset. Until the wrmsrl() happens the
+ * Set GSBASE to the new offset. Until the wrmsrq() happens the
* early mapping is still valid. That means the GSBASE update will
* lose any prior per CPU data which was not copied over in
* setup_per_cpu_areas().
@@ -762,7 +762,7 @@ void __init switch_gdt_and_percpu_base(int cpu)
* This works even with stackprotector enabled because the
* per CPU stack canary is 0 in both per CPU areas.
*/
- wrmsrl(MSR_GS_BASE, cpu_kernelmode_gs_base(cpu));
+ wrmsrq(MSR_GS_BASE, cpu_kernelmode_gs_base(cpu));
#else
/*
* %fs is already set to __KERNEL_PERCPU, but after switching GDT
@@ -1290,7 +1290,7 @@ u64 x86_read_arch_cap_msr(void)
u64 x86_arch_cap_msr = 0;
if (boot_cpu_has(X86_FEATURE_ARCH_CAPABILITIES))
- rdmsrl(MSR_IA32_ARCH_CAPABILITIES, x86_arch_cap_msr);
+ rdmsrq(MSR_IA32_ARCH_CAPABILITIES, x86_arch_cap_msr);
return x86_arch_cap_msr;
}
@@ -1788,11 +1788,11 @@ static bool detect_null_seg_behavior(void)
*/
unsigned long old_base, tmp;
- rdmsrl(MSR_FS_BASE, old_base);
- wrmsrl(MSR_FS_BASE, 1);
+ rdmsrq(MSR_FS_BASE, old_base);
+ wrmsrq(MSR_FS_BASE, 1);
loadsegment(fs, 0);
- rdmsrl(MSR_FS_BASE, tmp);
- wrmsrl(MSR_FS_BASE, old_base);
+ rdmsrq(MSR_FS_BASE, tmp);
+ wrmsrq(MSR_FS_BASE, old_base);
return tmp == 0;
}
@@ -2021,9 +2021,9 @@ void enable_sep_cpu(void)
*/
tss->x86_tss.ss1 = __KERNEL_CS;
- wrmsr(MSR_IA32_SYSENTER_CS, tss->x86_tss.ss1, 0);
- wrmsr(MSR_IA32_SYSENTER_ESP, (unsigned long)(cpu_entry_stack(cpu) + 1), 0);
- wrmsr(MSR_IA32_SYSENTER_EIP, (unsigned long)entry_SYSENTER_32, 0);
+ wrmsrq(MSR_IA32_SYSENTER_CS, tss->x86_tss.ss1);
+ wrmsrq(MSR_IA32_SYSENTER_ESP, (unsigned long)(cpu_entry_stack(cpu) + 1));
+ wrmsrq(MSR_IA32_SYSENTER_EIP, (unsigned long)entry_SYSENTER_32);
put_cpu();
}
@@ -2130,7 +2130,7 @@ DEFINE_PER_CPU_CACHE_HOT(unsigned long, cpu_current_top_of_stack) = TOP_OF_INIT_
DEFINE_PER_CPU_CACHE_HOT(u64, __x86_call_depth);
EXPORT_PER_CPU_SYMBOL(__x86_call_depth);
-static void wrmsrl_cstar(unsigned long val)
+static void wrmsrq_cstar(unsigned long val)
{
/*
* Intel CPUs do not support 32-bit SYSCALL. Writing to MSR_CSTAR
@@ -2138,37 +2138,37 @@ static void wrmsrl_cstar(unsigned long val)
* guest. Avoid the pointless write on all Intel CPUs.
*/
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
- wrmsrl(MSR_CSTAR, val);
+ wrmsrq(MSR_CSTAR, val);
}
static inline void idt_syscall_init(void)
{
- wrmsrl(MSR_LSTAR, (unsigned long)entry_SYSCALL_64);
+ wrmsrq(MSR_LSTAR, (unsigned long)entry_SYSCALL_64);
if (ia32_enabled()) {
- wrmsrl_cstar((unsigned long)entry_SYSCALL_compat);
+ wrmsrq_cstar((unsigned long)entry_SYSCALL_compat);
/*
* This only works on Intel CPUs.
* On AMD CPUs these MSRs are 32-bit, CPU truncates MSR_IA32_SYSENTER_EIP.
* This does not cause SYSENTER to jump to the wrong location, because
* AMD doesn't allow SYSENTER in long mode (either 32- or 64-bit).
*/
- wrmsrl_safe(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
- wrmsrl_safe(MSR_IA32_SYSENTER_ESP,
+ wrmsrq_safe(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
+ wrmsrq_safe(MSR_IA32_SYSENTER_ESP,
(unsigned long)(cpu_entry_stack(smp_processor_id()) + 1));
- wrmsrl_safe(MSR_IA32_SYSENTER_EIP, (u64)entry_SYSENTER_compat);
+ wrmsrq_safe(MSR_IA32_SYSENTER_EIP, (u64)entry_SYSENTER_compat);
} else {
- wrmsrl_cstar((unsigned long)entry_SYSCALL32_ignore);
- wrmsrl_safe(MSR_IA32_SYSENTER_CS, (u64)GDT_ENTRY_INVALID_SEG);
- wrmsrl_safe(MSR_IA32_SYSENTER_ESP, 0ULL);
- wrmsrl_safe(MSR_IA32_SYSENTER_EIP, 0ULL);
+ wrmsrq_cstar((unsigned long)entry_SYSCALL32_ignore);
+ wrmsrq_safe(MSR_IA32_SYSENTER_CS, (u64)GDT_ENTRY_INVALID_SEG);
+ wrmsrq_safe(MSR_IA32_SYSENTER_ESP, 0ULL);
+ wrmsrq_safe(MSR_IA32_SYSENTER_EIP, 0ULL);
}
/*
* Flags to clear on syscall; clear as much as possible
* to minimize user space-kernel interference.
*/
- wrmsrl(MSR_SYSCALL_MASK,
+ wrmsrq(MSR_SYSCALL_MASK,
X86_EFLAGS_CF|X86_EFLAGS_PF|X86_EFLAGS_AF|
X86_EFLAGS_ZF|X86_EFLAGS_SF|X86_EFLAGS_TF|
X86_EFLAGS_IF|X86_EFLAGS_DF|X86_EFLAGS_OF|
@@ -2237,7 +2237,7 @@ static inline void setup_getcpu(int cpu)
struct desc_struct d = { };
if (boot_cpu_has(X86_FEATURE_RDTSCP) || boot_cpu_has(X86_FEATURE_RDPID))
- wrmsr(MSR_TSC_AUX, cpudata, 0);
+ wrmsrq(MSR_TSC_AUX, cpudata);
/* Store CPU and node number in limit. */
d.limit0 = cpudata;
@@ -2352,8 +2352,8 @@ void cpu_init(void)
memset(cur->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
syscall_init();
- wrmsrl(MSR_FS_BASE, 0);
- wrmsrl(MSR_KERNEL_GS_BASE, 0);
+ wrmsrq(MSR_FS_BASE, 0);
+ wrmsrq(MSR_KERNEL_GS_BASE, 0);
barrier();
x2apic_setup();
diff --git a/arch/x86/kernel/cpu/feat_ctl.c b/arch/x86/kernel/cpu/feat_ctl.c
index 4a4118784c13..d69757246bde 100644
--- a/arch/x86/kernel/cpu/feat_ctl.c
+++ b/arch/x86/kernel/cpu/feat_ctl.c
@@ -4,6 +4,7 @@
#include <asm/cpu.h>
#include <asm/cpufeature.h>
#include <asm/msr-index.h>
+#include <asm/msr.h>
#include <asm/processor.h>
#include <asm/vmx.h>
@@ -118,7 +119,7 @@ void init_ia32_feat_ctl(struct cpuinfo_x86 *c)
bool enable_vmx;
u64 msr;
- if (rdmsrl_safe(MSR_IA32_FEAT_CTL, &msr)) {
+ if (rdmsrq_safe(MSR_IA32_FEAT_CTL, &msr)) {
clear_cpu_cap(c, X86_FEATURE_VMX);
clear_cpu_cap(c, X86_FEATURE_SGX);
return;
@@ -165,7 +166,7 @@ void init_ia32_feat_ctl(struct cpuinfo_x86 *c)
msr |= FEAT_CTL_SGX_LC_ENABLED;
}
- wrmsrl(MSR_IA32_FEAT_CTL, msr);
+ wrmsrq(MSR_IA32_FEAT_CTL, msr);
update_caps:
set_cpu_cap(c, X86_FEATURE_MSR_IA32_FEAT_CTL);
diff --git a/arch/x86/kernel/cpu/hygon.c b/arch/x86/kernel/cpu/hygon.c
index 6af4a4a90a52..2154f12766fb 100644
--- a/arch/x86/kernel/cpu/hygon.c
+++ b/arch/x86/kernel/cpu/hygon.c
@@ -15,6 +15,7 @@
#include <asm/cacheinfo.h>
#include <asm/spec-ctrl.h>
#include <asm/delay.h>
+#include <asm/msr.h>
#include "cpu.h"
@@ -96,7 +97,7 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c)
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
u64 val;
- rdmsrl(MSR_K7_HWCR, val);
+ rdmsrq(MSR_K7_HWCR, val);
if (!(val & BIT(24)))
pr_warn(FW_BUG "TSC doesn't count with P0 frequency!\n");
}
@@ -110,7 +111,7 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c)
* Try to cache the base value so further operations can
* avoid RMW. If that faults, do not enable SSBD.
*/
- if (!rdmsrl_safe(MSR_AMD64_LS_CFG, &x86_amd_ls_cfg_base)) {
+ if (!rdmsrq_safe(MSR_AMD64_LS_CFG, &x86_amd_ls_cfg_base)) {
setup_force_cpu_cap(X86_FEATURE_LS_CFG_SSBD);
setup_force_cpu_cap(X86_FEATURE_SSBD);
x86_amd_ls_cfg_ssbd_mask = 1ULL << 10;
@@ -194,7 +195,7 @@ static void init_hygon(struct cpuinfo_x86 *c)
init_hygon_cacheinfo(c);
if (cpu_has(c, X86_FEATURE_SVM)) {
- rdmsrl(MSR_VM_CR, vm_cr);
+ rdmsrq(MSR_VM_CR, vm_cr);
if (vm_cr & SVM_VM_CR_SVM_DIS_MASK) {
pr_notice_once("SVM disabled (by BIOS) in MSR_VM_CR\n");
clear_cpu_cap(c, X86_FEATURE_SVM);
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index a6493f60b3f2..584dd55bf739 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -159,7 +159,7 @@ static void detect_tme_early(struct cpuinfo_x86 *c)
u64 tme_activate;
int keyid_bits;
- rdmsrl(MSR_IA32_TME_ACTIVATE, tme_activate);
+ rdmsrq(MSR_IA32_TME_ACTIVATE, tme_activate);
if (!TME_ACTIVATE_LOCKED(tme_activate) || !TME_ACTIVATE_ENABLED(tme_activate)) {
pr_info_once("x86/tme: not enabled by BIOS\n");
@@ -301,7 +301,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
* string flag and enhanced fast string capabilities accordingly.
*/
if (c->x86_vfm >= INTEL_PENTIUM_M_DOTHAN) {
- rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
+ rdmsrq(MSR_IA32_MISC_ENABLE, misc_enable);
if (misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING) {
/* X86_FEATURE_ERMS is set based on CPUID */
set_cpu_cap(c, X86_FEATURE_REP_GOOD);
@@ -490,7 +490,7 @@ static void init_cpuid_fault(struct cpuinfo_x86 *c)
{
u64 msr;
- if (!rdmsrl_safe(MSR_PLATFORM_INFO, &msr)) {
+ if (!rdmsrq_safe(MSR_PLATFORM_INFO, &msr)) {
if (msr & MSR_PLATFORM_INFO_CPUID_FAULT)
set_cpu_cap(c, X86_FEATURE_CPUID_FAULT);
}
@@ -500,7 +500,7 @@ static void init_intel_misc_features(struct cpuinfo_x86 *c)
{
u64 msr;
- if (rdmsrl_safe(MSR_MISC_FEATURES_ENABLES, &msr))
+ if (rdmsrq_safe(MSR_MISC_FEATURES_ENABLES, &msr))
return;
/* Clear all MISC features */
@@ -511,7 +511,7 @@ static void init_intel_misc_features(struct cpuinfo_x86 *c)
probe_xeon_phi_r3mwait(c);
msr = this_cpu_read(msr_misc_features_shadow);
- wrmsrl(MSR_MISC_FEATURES_ENABLES, msr);
+ wrmsrq(MSR_MISC_FEATURES_ENABLES, msr);
}
/*
diff --git a/arch/x86/kernel/cpu/intel_epb.c b/arch/x86/kernel/cpu/intel_epb.c
index 30b1d63b97f3..bc7671f920a7 100644
--- a/arch/x86/kernel/cpu/intel_epb.c
+++ b/arch/x86/kernel/cpu/intel_epb.c
@@ -79,7 +79,7 @@ static int intel_epb_save(void)
{
u64 epb;
- rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb);
+ rdmsrq(MSR_IA32_ENERGY_PERF_BIAS, epb);
/*
* Ensure that saved_epb will always be nonzero after this write even if
* the EPB value read from the MSR is 0.
@@ -94,7 +94,7 @@ static void intel_epb_restore(void)
u64 val = this_cpu_read(saved_epb);
u64 epb;
- rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb);
+ rdmsrq(MSR_IA32_ENERGY_PERF_BIAS, epb);
if (val) {
val &= EPB_MASK;
} else {
@@ -111,7 +111,7 @@ static void intel_epb_restore(void)
pr_warn_once("ENERGY_PERF_BIAS: Set to 'normal', was 'performance'\n");
}
}
- wrmsrl(MSR_IA32_ENERGY_PERF_BIAS, (epb & ~EPB_MASK) | val);
+ wrmsrq(MSR_IA32_ENERGY_PERF_BIAS, (epb & ~EPB_MASK) | val);
}
static struct syscore_ops intel_epb_syscore_ops = {
@@ -135,7 +135,7 @@ static ssize_t energy_perf_bias_show(struct device *dev,
u64 epb;
int ret;
- ret = rdmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb);
+ ret = rdmsrq_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb);
if (ret < 0)
return ret;
@@ -157,11 +157,11 @@ static ssize_t energy_perf_bias_store(struct device *dev,
else if (kstrtou64(buf, 0, &val) || val > MAX_EPB)
return -EINVAL;
- ret = rdmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb);
+ ret = rdmsrq_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb);
if (ret < 0)
return ret;
- ret = wrmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS,
+ ret = wrmsrq_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS,
(epb & ~EPB_MASK) | val);
if (ret < 0)
return ret;
diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index 1075a90141da..9d852c3b2cb5 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -662,12 +662,12 @@ static void disable_err_thresholding(struct cpuinfo_x86 *c, unsigned int bank)
return;
}
- rdmsrl(MSR_K7_HWCR, hwcr);
+ rdmsrq(MSR_K7_HWCR, hwcr);
/* McStatusWrEn has to be set */
need_toggle = !(hwcr & BIT(18));
if (need_toggle)
- wrmsrl(MSR_K7_HWCR, hwcr | BIT(18));
+ wrmsrq(MSR_K7_HWCR, hwcr | BIT(18));
/* Clear CntP bit safely */
for (i = 0; i < num_msrs; i++)
@@ -675,7 +675,7 @@ static void disable_err_thresholding(struct cpuinfo_x86 *c, unsigned int bank)
/* restore old settings */
if (need_toggle)
- wrmsrl(MSR_K7_HWCR, hwcr);
+ wrmsrq(MSR_K7_HWCR, hwcr);
}
/* cpu init entry point, called from mce.c with preempt off */
@@ -805,12 +805,12 @@ static void __log_error(unsigned int bank, u64 status, u64 addr, u64 misc)
}
if (mce_flags.smca) {
- rdmsrl(MSR_AMD64_SMCA_MCx_IPID(bank), m->ipid);
+ rdmsrq(MSR_AMD64_SMCA_MCx_IPID(bank), m->ipid);
if (m->status & MCI_STATUS_SYNDV) {
- rdmsrl(MSR_AMD64_SMCA_MCx_SYND(bank), m->synd);
- rdmsrl(MSR_AMD64_SMCA_MCx_SYND1(bank), err.vendor.amd.synd1);
- rdmsrl(MSR_AMD64_SMCA_MCx_SYND2(bank), err.vendor.amd.synd2);
+ rdmsrq(MSR_AMD64_SMCA_MCx_SYND(bank), m->synd);
+ rdmsrq(MSR_AMD64_SMCA_MCx_SYND1(bank), err.vendor.amd.synd1);
+ rdmsrq(MSR_AMD64_SMCA_MCx_SYND2(bank), err.vendor.amd.synd2);
}
}
@@ -834,16 +834,16 @@ _log_error_bank(unsigned int bank, u32 msr_stat, u32 msr_addr, u64 misc)
{
u64 status, addr = 0;
- rdmsrl(msr_stat, status);
+ rdmsrq(msr_stat, status);
if (!(status & MCI_STATUS_VAL))
return false;
if (status & MCI_STATUS_ADDRV)
- rdmsrl(msr_addr, addr);
+ rdmsrq(msr_addr, addr);
__log_error(bank, status, addr, misc);
- wrmsrl(msr_stat, 0);
+ wrmsrq(msr_stat, 0);
return status & MCI_STATUS_DEFERRED;
}
@@ -862,7 +862,7 @@ static bool _log_error_deferred(unsigned int bank, u32 misc)
return true;
/* Clear MCA_DESTAT if the deferred error was logged from MCA_STATUS. */
- wrmsrl(MSR_AMD64_SMCA_MCx_DESTAT(bank), 0);
+ wrmsrq(MSR_AMD64_SMCA_MCx_DESTAT(bank), 0);
return true;
}
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index f6fd71b64b66..e9b3c5d4a52e 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -121,7 +121,7 @@ void mce_prep_record_common(struct mce *m)
{
m->cpuid = cpuid_eax(1);
m->cpuvendor = boot_cpu_data.x86_vendor;
- m->mcgcap = __rdmsr(MSR_IA32_MCG_CAP);
+ m->mcgcap = native_rdmsrq(MSR_IA32_MCG_CAP);
/* need the internal __ version to avoid deadlocks */
m->time = __ktime_get_real_seconds();
}
@@ -388,9 +388,9 @@ void ex_handler_msr_mce(struct pt_regs *regs, bool wrmsr)
}
/* MSR access wrappers used for error injection */
-noinstr u64 mce_rdmsrl(u32 msr)
+noinstr u64 mce_rdmsrq(u32 msr)
{
- DECLARE_ARGS(val, low, high);
+ EAX_EDX_DECLARE_ARGS(val, low, high);
if (__this_cpu_read(injectm.finished)) {
int offset;
@@ -423,7 +423,7 @@ noinstr u64 mce_rdmsrl(u32 msr)
return EAX_EDX_VAL(val, low, high);
}
-static noinstr void mce_wrmsrl(u32 msr, u64 v)
+static noinstr void mce_wrmsrq(u32 msr, u64 v)
{
u32 low, high;
@@ -444,7 +444,7 @@ static noinstr void mce_wrmsrl(u32 msr, u64 v)
low = (u32)v;
high = (u32)(v >> 32);
- /* See comment in mce_rdmsrl() */
+ /* See comment in mce_rdmsrq() */
asm volatile("1: wrmsr\n"
"2:\n"
_ASM_EXTABLE_TYPE(1b, 2b, EX_TYPE_WRMSR_IN_MCE)
@@ -468,7 +468,7 @@ static noinstr void mce_gather_info(struct mce_hw_err *err, struct pt_regs *regs
instrumentation_end();
m = &err->m;
- m->mcgstatus = mce_rdmsrl(MSR_IA32_MCG_STATUS);
+ m->mcgstatus = mce_rdmsrq(MSR_IA32_MCG_STATUS);
if (regs) {
/*
* Get the address of the instruction at the time of
@@ -488,7 +488,7 @@ static noinstr void mce_gather_info(struct mce_hw_err *err, struct pt_regs *regs
}
/* Use accurate RIP reporting if available. */
if (mca_cfg.rip_msr)
- m->ip = mce_rdmsrl(mca_cfg.rip_msr);
+ m->ip = mce_rdmsrq(mca_cfg.rip_msr);
}
}
@@ -684,10 +684,10 @@ static noinstr void mce_read_aux(struct mce_hw_err *err, int i)
struct mce *m = &err->m;
if (m->status & MCI_STATUS_MISCV)
- m->misc = mce_rdmsrl(mca_msr_reg(i, MCA_MISC));
+ m->misc = mce_rdmsrq(mca_msr_reg(i, MCA_MISC));
if (m->status & MCI_STATUS_ADDRV) {
- m->addr = mce_rdmsrl(mca_msr_reg(i, MCA_ADDR));
+ m->addr = mce_rdmsrq(mca_msr_reg(i, MCA_ADDR));
/*
* Mask the reported address by the reported granularity.
@@ -702,12 +702,12 @@ static noinstr void mce_read_aux(struct mce_hw_err *err, int i)
}
if (mce_flags.smca) {
- m->ipid = mce_rdmsrl(MSR_AMD64_SMCA_MCx_IPID(i));
+ m->ipid = mce_rdmsrq(MSR_AMD64_SMCA_MCx_IPID(i));
if (m->status & MCI_STATUS_SYNDV) {
- m->synd = mce_rdmsrl(MSR_AMD64_SMCA_MCx_SYND(i));
- err->vendor.amd.synd1 = mce_rdmsrl(MSR_AMD64_SMCA_MCx_SYND1(i));
- err->vendor.amd.synd2 = mce_rdmsrl(MSR_AMD64_SMCA_MCx_SYND2(i));
+ m->synd = mce_rdmsrq(MSR_AMD64_SMCA_MCx_SYND(i));
+ err->vendor.amd.synd1 = mce_rdmsrq(MSR_AMD64_SMCA_MCx_SYND1(i));
+ err->vendor.amd.synd2 = mce_rdmsrq(MSR_AMD64_SMCA_MCx_SYND2(i));
}
}
}
@@ -753,7 +753,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
m->bank = i;
barrier();
- m->status = mce_rdmsrl(mca_msr_reg(i, MCA_STATUS));
+ m->status = mce_rdmsrq(mca_msr_reg(i, MCA_STATUS));
/*
* Update storm tracking here, before checking for the
@@ -829,7 +829,7 @@ clear_it:
/*
* Clear state for this bank.
*/
- mce_wrmsrl(mca_msr_reg(i, MCA_STATUS), 0);
+ mce_wrmsrq(mca_msr_reg(i, MCA_STATUS), 0);
}
/*
@@ -887,8 +887,8 @@ quirk_sandybridge_ifu(int bank, struct mce *m, struct pt_regs *regs)
*/
static noinstr bool quirk_skylake_repmov(void)
{
- u64 mcgstatus = mce_rdmsrl(MSR_IA32_MCG_STATUS);
- u64 misc_enable = mce_rdmsrl(MSR_IA32_MISC_ENABLE);
+ u64 mcgstatus = mce_rdmsrq(MSR_IA32_MCG_STATUS);
+ u64 misc_enable = mce_rdmsrq(MSR_IA32_MISC_ENABLE);
u64 mc1_status;
/*
@@ -899,7 +899,7 @@ static noinstr bool quirk_skylake_repmov(void)
!(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING))
return false;
- mc1_status = mce_rdmsrl(MSR_IA32_MCx_STATUS(1));
+ mc1_status = mce_rdmsrq(MSR_IA32_MCx_STATUS(1));
/* Check for a software-recoverable data fetch error. */
if ((mc1_status &
@@ -910,8 +910,8 @@ static noinstr bool quirk_skylake_repmov(void)
MCI_STATUS_ADDRV | MCI_STATUS_MISCV |
MCI_STATUS_AR | MCI_STATUS_S)) {
misc_enable &= ~MSR_IA32_MISC_ENABLE_FAST_STRING;
- mce_wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
- mce_wrmsrl(MSR_IA32_MCx_STATUS(1), 0);
+ mce_wrmsrq(MSR_IA32_MISC_ENABLE, misc_enable);
+ mce_wrmsrq(MSR_IA32_MCx_STATUS(1), 0);
instrumentation_begin();
pr_err_once("Erratum detected, disable fast string copy instructions.\n");
@@ -955,7 +955,7 @@ static __always_inline int mce_no_way_out(struct mce_hw_err *err, char **msg, un
int i;
for (i = 0; i < this_cpu_read(mce_num_banks); i++) {
- m->status = mce_rdmsrl(mca_msr_reg(i, MCA_STATUS));
+ m->status = mce_rdmsrq(mca_msr_reg(i, MCA_STATUS));
if (!(m->status & MCI_STATUS_VAL))
continue;
@@ -1274,7 +1274,7 @@ static __always_inline void mce_clear_state(unsigned long *toclear)
for (i = 0; i < this_cpu_read(mce_num_banks); i++) {
if (arch_test_bit(i, toclear))
- mce_wrmsrl(mca_msr_reg(i, MCA_STATUS), 0);
+ mce_wrmsrq(mca_msr_reg(i, MCA_STATUS), 0);
}
}
@@ -1298,7 +1298,7 @@ static noinstr bool mce_check_crashing_cpu(void)
(crashing_cpu != -1 && crashing_cpu != cpu)) {
u64 mcgstatus;
- mcgstatus = __rdmsr(MSR_IA32_MCG_STATUS);
+ mcgstatus = native_rdmsrq(MSR_IA32_MCG_STATUS);
if (boot_cpu_data.x86_vendor == X86_VENDOR_ZHAOXIN) {
if (mcgstatus & MCG_STATUS_LMCES)
@@ -1306,7 +1306,7 @@ static noinstr bool mce_check_crashing_cpu(void)
}
if (mcgstatus & MCG_STATUS_RIPV) {
- __wrmsr(MSR_IA32_MCG_STATUS, 0, 0);
+ native_wrmsrq(MSR_IA32_MCG_STATUS, 0);
return true;
}
}
@@ -1335,7 +1335,7 @@ __mc_scan_banks(struct mce_hw_err *err, struct pt_regs *regs,
m->addr = 0;
m->bank = i;
- m->status = mce_rdmsrl(mca_msr_reg(i, MCA_STATUS));
+ m->status = mce_rdmsrq(mca_msr_reg(i, MCA_STATUS));
if (!(m->status & MCI_STATUS_VAL))
continue;
@@ -1693,7 +1693,7 @@ out:
instrumentation_end();
clear:
- mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);
+ mce_wrmsrq(MSR_IA32_MCG_STATUS, 0);
}
EXPORT_SYMBOL_GPL(do_machine_check);
@@ -1822,7 +1822,7 @@ static void __mcheck_cpu_cap_init(void)
u64 cap;
u8 b;
- rdmsrl(MSR_IA32_MCG_CAP, cap);
+ rdmsrq(MSR_IA32_MCG_CAP, cap);
b = cap & MCG_BANKCNT_MASK;
@@ -1863,7 +1863,7 @@ static void __mcheck_cpu_init_generic(void)
cr4_set_bits(X86_CR4_MCE);
- rdmsrl(MSR_IA32_MCG_CAP, cap);
+ rdmsrq(MSR_IA32_MCG_CAP, cap);
if (cap & MCG_CTL_P)
wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
}
@@ -1878,8 +1878,8 @@ static void __mcheck_cpu_init_clear_banks(void)
if (!b->init)
continue;
- wrmsrl(mca_msr_reg(i, MCA_CTL), b->ctl);
- wrmsrl(mca_msr_reg(i, MCA_STATUS), 0);
+ wrmsrq(mca_msr_reg(i, MCA_CTL), b->ctl);
+ wrmsrq(mca_msr_reg(i, MCA_STATUS), 0);
}
}
@@ -1905,7 +1905,7 @@ static void __mcheck_cpu_check_banks(void)
if (!b->init)
continue;
- rdmsrl(mca_msr_reg(i, MCA_CTL), msrval);
+ rdmsrq(mca_msr_reg(i, MCA_CTL), msrval);
b->init = !!msrval;
}
}
@@ -2436,7 +2436,7 @@ static void mce_disable_error_reporting(void)
struct mce_bank *b = &mce_banks[i];
if (b->init)
- wrmsrl(mca_msr_reg(i, MCA_CTL), 0);
+ wrmsrq(mca_msr_reg(i, MCA_CTL), 0);
}
return;
}
@@ -2786,7 +2786,7 @@ static void mce_reenable_cpu(void)
struct mce_bank *b = &mce_banks[i];
if (b->init)
- wrmsrl(mca_msr_reg(i, MCA_CTL), b->ctl);
+ wrmsrq(mca_msr_reg(i, MCA_CTL), b->ctl);
}
}
diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c
index bb060f8326ef..d02c4f556cd0 100644
--- a/arch/x86/kernel/cpu/mce/inject.c
+++ b/arch/x86/kernel/cpu/mce/inject.c
@@ -28,6 +28,7 @@
#include <asm/apic.h>
#include <asm/irq_vectors.h>
#include <asm/mce.h>
+#include <asm/msr.h>
#include <asm/nmi.h>
#include <asm/smp.h>
@@ -475,27 +476,27 @@ static void prepare_msrs(void *info)
struct mce m = *(struct mce *)info;
u8 b = m.bank;
- wrmsrl(MSR_IA32_MCG_STATUS, m.mcgstatus);
+ wrmsrq(MSR_IA32_MCG_STATUS, m.mcgstatus);
if (boot_cpu_has(X86_FEATURE_SMCA)) {
if (m.inject_flags == DFR_INT_INJ) {
- wrmsrl(MSR_AMD64_SMCA_MCx_DESTAT(b), m.status);
- wrmsrl(MSR_AMD64_SMCA_MCx_DEADDR(b), m.addr);
+ wrmsrq(MSR_AMD64_SMCA_MCx_DESTAT(b), m.status);
+ wrmsrq(MSR_AMD64_SMCA_MCx_DEADDR(b), m.addr);
} else {
- wrmsrl(MSR_AMD64_SMCA_MCx_STATUS(b), m.status);
- wrmsrl(MSR_AMD64_SMCA_MCx_ADDR(b), m.addr);
+ wrmsrq(MSR_AMD64_SMCA_MCx_STATUS(b), m.status);
+ wrmsrq(MSR_AMD64_SMCA_MCx_ADDR(b), m.addr);
}
- wrmsrl(MSR_AMD64_SMCA_MCx_SYND(b), m.synd);
+ wrmsrq(MSR_AMD64_SMCA_MCx_SYND(b), m.synd);
if (m.misc)
- wrmsrl(MSR_AMD64_SMCA_MCx_MISC(b), m.misc);
+ wrmsrq(MSR_AMD64_SMCA_MCx_MISC(b), m.misc);
} else {
- wrmsrl(MSR_IA32_MCx_STATUS(b), m.status);
- wrmsrl(MSR_IA32_MCx_ADDR(b), m.addr);
+ wrmsrq(MSR_IA32_MCx_STATUS(b), m.status);
+ wrmsrq(MSR_IA32_MCx_ADDR(b), m.addr);
if (m.misc)
- wrmsrl(MSR_IA32_MCx_MISC(b), m.misc);
+ wrmsrq(MSR_IA32_MCx_MISC(b), m.misc);
}
}
@@ -589,7 +590,7 @@ static int inj_bank_set(void *data, u64 val)
u64 cap;
/* Get bank count on target CPU so we can handle non-uniform values. */
- rdmsrl_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap);
+ rdmsrq_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap);
n_banks = cap & MCG_BANKCNT_MASK;
if (val >= n_banks) {
@@ -613,7 +614,7 @@ static int inj_bank_set(void *data, u64 val)
if (cpu_feature_enabled(X86_FEATURE_SMCA)) {
u64 ipid;
- if (rdmsrl_on_cpu(m->extcpu, MSR_AMD64_SMCA_MCx_IPID(val), &ipid)) {
+ if (rdmsrq_on_cpu(m->extcpu, MSR_AMD64_SMCA_MCx_IPID(val), &ipid)) {
pr_err("Error reading IPID on CPU%d\n", m->extcpu);
return -EINVAL;
}
@@ -741,15 +742,15 @@ static void check_hw_inj_possible(void)
u64 status = MCI_STATUS_VAL, ipid;
/* Check whether bank is populated */
- rdmsrl(MSR_AMD64_SMCA_MCx_IPID(bank), ipid);
+ rdmsrq(MSR_AMD64_SMCA_MCx_IPID(bank), ipid);
if (!ipid)
continue;
toggle_hw_mce_inject(cpu, true);
- wrmsrl_safe(mca_msr_reg(bank, MCA_STATUS), status);
- rdmsrl_safe(mca_msr_reg(bank, MCA_STATUS), &status);
- wrmsrl_safe(mca_msr_reg(bank, MCA_STATUS), 0);
+ wrmsrq_safe(mca_msr_reg(bank, MCA_STATUS), status);
+ rdmsrq_safe(mca_msr_reg(bank, MCA_STATUS), &status);
+ wrmsrq_safe(mca_msr_reg(bank, MCA_STATUS), 0);
if (!status) {
hw_injection_possible = false;
diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c
index f863df0ff42c..efcf21e9552e 100644
--- a/arch/x86/kernel/cpu/mce/intel.c
+++ b/arch/x86/kernel/cpu/mce/intel.c
@@ -94,7 +94,7 @@ static bool cmci_supported(int *banks)
if (!boot_cpu_has(X86_FEATURE_APIC) || lapic_get_maxlvt() < 6)
return false;
- rdmsrl(MSR_IA32_MCG_CAP, cap);
+ rdmsrq(MSR_IA32_MCG_CAP, cap);
*banks = min_t(unsigned, MAX_NR_BANKS, cap & MCG_BANKCNT_MASK);
return !!(cap & MCG_CMCI_P);
}
@@ -106,7 +106,7 @@ static bool lmce_supported(void)
if (mca_cfg.lmce_disabled)
return false;
- rdmsrl(MSR_IA32_MCG_CAP, tmp);
+ rdmsrq(MSR_IA32_MCG_CAP, tmp);
/*
* LMCE depends on recovery support in the processor. Hence both
@@ -123,7 +123,7 @@ static bool lmce_supported(void)
* WARN if the MSR isn't locked as init_ia32_feat_ctl() unconditionally
* locks the MSR in the event that it wasn't already locked by BIOS.
*/
- rdmsrl(MSR_IA32_FEAT_CTL, tmp);
+ rdmsrq(MSR_IA32_FEAT_CTL, tmp);
if (WARN_ON_ONCE(!(tmp & FEAT_CTL_LOCKED)))
return false;
@@ -141,9 +141,9 @@ static void cmci_set_threshold(int bank, int thresh)
u64 val;
raw_spin_lock_irqsave(&cmci_discover_lock, flags);
- rdmsrl(MSR_IA32_MCx_CTL2(bank), val);
+ rdmsrq(MSR_IA32_MCx_CTL2(bank), val);
val &= ~MCI_CTL2_CMCI_THRESHOLD_MASK;
- wrmsrl(MSR_IA32_MCx_CTL2(bank), val | thresh);
+ wrmsrq(MSR_IA32_MCx_CTL2(bank), val | thresh);
raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
}
@@ -184,7 +184,7 @@ static bool cmci_skip_bank(int bank, u64 *val)
if (test_bit(bank, mce_banks_ce_disabled))
return true;
- rdmsrl(MSR_IA32_MCx_CTL2(bank), *val);
+ rdmsrq(MSR_IA32_MCx_CTL2(bank), *val);
/* Already owned by someone else? */
if (*val & MCI_CTL2_CMCI_EN) {
@@ -232,8 +232,8 @@ static void cmci_claim_bank(int bank, u64 val, int bios_zero_thresh, int *bios_w
struct mca_storm_desc *storm = this_cpu_ptr(&storm_desc);
val |= MCI_CTL2_CMCI_EN;
- wrmsrl(MSR_IA32_MCx_CTL2(bank), val);
- rdmsrl(MSR_IA32_MCx_CTL2(bank), val);
+ wrmsrq(MSR_IA32_MCx_CTL2(bank), val);
+ rdmsrq(MSR_IA32_MCx_CTL2(bank), val);
/* If the enable bit did not stick, this bank should be polled. */
if (!(val & MCI_CTL2_CMCI_EN)) {
@@ -324,9 +324,9 @@ static void __cmci_disable_bank(int bank)
if (!test_bit(bank, this_cpu_ptr(mce_banks_owned)))
return;
- rdmsrl(MSR_IA32_MCx_CTL2(bank), val);
+ rdmsrq(MSR_IA32_MCx_CTL2(bank), val);
val &= ~MCI_CTL2_CMCI_EN;
- wrmsrl(MSR_IA32_MCx_CTL2(bank), val);
+ wrmsrq(MSR_IA32_MCx_CTL2(bank), val);
__clear_bit(bank, this_cpu_ptr(mce_banks_owned));
if ((val & MCI_CTL2_CMCI_THRESHOLD_MASK) == CMCI_STORM_THRESHOLD)
@@ -430,10 +430,10 @@ void intel_init_lmce(void)
if (!lmce_supported())
return;
- rdmsrl(MSR_IA32_MCG_EXT_CTL, val);
+ rdmsrq(MSR_IA32_MCG_EXT_CTL, val);
if (!(val & MCG_EXT_CTL_LMCE_EN))
- wrmsrl(MSR_IA32_MCG_EXT_CTL, val | MCG_EXT_CTL_LMCE_EN);
+ wrmsrq(MSR_IA32_MCG_EXT_CTL, val | MCG_EXT_CTL_LMCE_EN);
}
void intel_clear_lmce(void)
@@ -443,9 +443,9 @@ void intel_clear_lmce(void)
if (!lmce_supported())
return;
- rdmsrl(MSR_IA32_MCG_EXT_CTL, val);
+ rdmsrq(MSR_IA32_MCG_EXT_CTL, val);
val &= ~MCG_EXT_CTL_LMCE_EN;
- wrmsrl(MSR_IA32_MCG_EXT_CTL, val);
+ wrmsrq(MSR_IA32_MCG_EXT_CTL, val);
}
/*
@@ -460,10 +460,10 @@ static void intel_imc_init(struct cpuinfo_x86 *c)
case INTEL_SANDYBRIDGE_X:
case INTEL_IVYBRIDGE_X:
case INTEL_HASWELL_X:
- if (rdmsrl_safe(MSR_ERROR_CONTROL, &error_control))
+ if (rdmsrq_safe(MSR_ERROR_CONTROL, &error_control))
return;
error_control |= 2;
- wrmsrl_safe(MSR_ERROR_CONTROL, error_control);
+ wrmsrq_safe(MSR_ERROR_CONTROL, error_control);
break;
}
}
diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h
index 95a504ece43e..b5ba598e54cb 100644
--- a/arch/x86/kernel/cpu/mce/internal.h
+++ b/arch/x86/kernel/cpu/mce/internal.h
@@ -312,7 +312,7 @@ static __always_inline void pentium_machine_check(struct pt_regs *regs) {}
static __always_inline void winchip_machine_check(struct pt_regs *regs) {}
#endif
-noinstr u64 mce_rdmsrl(u32 msr);
+noinstr u64 mce_rdmsrq(u32 msr);
static __always_inline u32 mca_msr_reg(int bank, enum mca_msr reg)
{
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 9c44b007c946..097e39327942 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -604,7 +604,7 @@ static bool __apply_microcode_amd(struct microcode_amd *mc, u32 *cur_rev,
if (!verify_sha256_digest(mc->hdr.patch_id, *cur_rev, (const u8 *)p_addr, psize))
return false;
- native_wrmsrl(MSR_AMD64_PATCH_LOADER, p_addr);
+ native_wrmsrq(MSR_AMD64_PATCH_LOADER, p_addr);
if (x86_family(bsp_cpuid_1_eax) == 0x17) {
unsigned long p_addr_end = p_addr + psize - 1;
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index e8021d3e5882..a3bcb6d43f5c 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -37,6 +37,7 @@
#include <asm/perf_event.h>
#include <asm/processor.h>
#include <asm/cmdline.h>
+#include <asm/msr.h>
#include <asm/setup.h>
#include "internal.h"
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 2a397da43923..371ca6eac00e 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -320,7 +320,7 @@ static enum ucode_state __apply_microcode(struct ucode_cpu_info *uci,
}
/* write microcode via MSR 0x79 */
- native_wrmsrl(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);
+ native_wrmsrq(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);
rev = intel_get_microcode_revision();
if (rev != mc->hdr.rev)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 3e2533954675..c78f860419d6 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -30,6 +30,7 @@
#include <asm/reboot.h>
#include <asm/nmi.h>
#include <clocksource/hyperv_timer.h>
+#include <asm/msr.h>
#include <asm/numa.h>
#include <asm/svm.h>
@@ -70,7 +71,7 @@ u64 hv_get_non_nested_msr(unsigned int reg)
if (hv_is_synic_msr(reg) && ms_hyperv.paravisor_present)
hv_ivm_msr_read(reg, &value);
else
- rdmsrl(reg, value);
+ rdmsrq(reg, value);
return value;
}
EXPORT_SYMBOL_GPL(hv_get_non_nested_msr);
@@ -82,9 +83,9 @@ void hv_set_non_nested_msr(unsigned int reg, u64 value)
/* Write proxy bit via wrmsl instruction */
if (hv_is_sint_msr(reg))
- wrmsrl(reg, value | 1 << 20);
+ wrmsrq(reg, value | 1 << 20);
} else {
- wrmsrl(reg, value);
+ wrmsrq(reg, value);
}
}
EXPORT_SYMBOL_GPL(hv_set_non_nested_msr);
@@ -345,7 +346,7 @@ static unsigned long hv_get_tsc_khz(void)
{
unsigned long freq;
- rdmsrl(HV_X64_MSR_TSC_FREQUENCY, freq);
+ rdmsrq(HV_X64_MSR_TSC_FREQUENCY, freq);
return freq / 1000;
}
@@ -541,7 +542,7 @@ static void __init ms_hyperv_init_platform(void)
*/
u64 hv_lapic_frequency;
- rdmsrl(HV_X64_MSR_APIC_FREQUENCY, hv_lapic_frequency);
+ rdmsrq(HV_X64_MSR_APIC_FREQUENCY, hv_lapic_frequency);
hv_lapic_frequency = div_u64(hv_lapic_frequency, HZ);
lapic_timer_period = hv_lapic_frequency;
pr_info("Hyper-V: LAPIC Timer Frequency: %#x\n",
@@ -574,7 +575,7 @@ static void __init ms_hyperv_init_platform(void)
* setting of this MSR bit should happen before init_intel()
* is called.
*/
- wrmsrl(HV_X64_MSR_TSC_INVARIANT_CONTROL, HV_EXPOSE_INVARIANT_TSC);
+ wrmsrq(HV_X64_MSR_TSC_INVARIANT_CONTROL, HV_EXPOSE_INVARIANT_TSC);
setup_force_cpu_cap(X86_FEATURE_TSC_RELIABLE);
}
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index cf29681d01e0..d987b11c168c 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -22,6 +22,7 @@
#include <linux/cpuhotplug.h>
#include <asm/cpu_device_id.h>
+#include <asm/msr.h>
#include <asm/resctrl.h>
#include "internal.h"
@@ -145,10 +146,10 @@ static inline void cache_alloc_hsw_probe(void)
struct rdt_resource *r = &hw_res->r_resctrl;
u64 max_cbm = BIT_ULL_MASK(20) - 1, l3_cbm_0;
- if (wrmsrl_safe(MSR_IA32_L3_CBM_BASE, max_cbm))
+ if (wrmsrq_safe(MSR_IA32_L3_CBM_BASE, max_cbm))
return;
- rdmsrl(MSR_IA32_L3_CBM_BASE, l3_cbm_0);
+ rdmsrq(MSR_IA32_L3_CBM_BASE, l3_cbm_0);
/* If all the bits were set in MSR, return success */
if (l3_cbm_0 != max_cbm)
@@ -309,7 +310,7 @@ static void mba_wrmsr_amd(struct msr_param *m)
unsigned int i;
for (i = m->low; i < m->high; i++)
- wrmsrl(hw_res->msr_base + i, hw_dom->ctrl_val[i]);
+ wrmsrq(hw_res->msr_base + i, hw_dom->ctrl_val[i]);
}
/*
@@ -334,7 +335,7 @@ static void mba_wrmsr_intel(struct msr_param *m)
/* Write the delay values for mba. */
for (i = m->low; i < m->high; i++)
- wrmsrl(hw_res->msr_base + i, delay_bw_map(hw_dom->ctrl_val[i], m->res));
+ wrmsrq(hw_res->msr_base + i, delay_bw_map(hw_dom->ctrl_val[i], m->res));
}
static void cat_wrmsr(struct msr_param *m)
@@ -344,7 +345,7 @@ static void cat_wrmsr(struct msr_param *m)
unsigned int i;
for (i = m->low; i < m->high; i++)
- wrmsrl(hw_res->msr_base + i, hw_dom->ctrl_val[i]);
+ wrmsrq(hw_res->msr_base + i, hw_dom->ctrl_val[i]);
}
u32 resctrl_arch_get_num_closid(struct rdt_resource *r)
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index a93ed7d2a160..591b0b44d260 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <asm/cpu_device_id.h>
+#include <asm/msr.h>
#include <asm/resctrl.h>
#include "internal.h"
@@ -238,7 +239,7 @@ static int __rmid_read_phys(u32 prmid, enum resctrl_event_id eventid, u64 *val)
* are error bits.
*/
wrmsr(MSR_IA32_QM_EVTSEL, eventid, prmid);
- rdmsrl(MSR_IA32_QM_CTR, msr_val);
+ rdmsrq(MSR_IA32_QM_CTR, msr_val);
if (msr_val & RMID_VAL_ERROR)
return -EIO;
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
index 92ea1472bde9..1190c48a16b2 100644
--- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
+++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
@@ -25,6 +25,7 @@
#include <asm/cpu_device_id.h>
#include <asm/resctrl.h>
#include <asm/perf_event.h>
+#include <asm/msr.h>
#include "../../events/perf_event.h" /* For X86_CONFIG() */
#include "internal.h"
@@ -481,8 +482,8 @@ int resctrl_arch_pseudo_lock_fn(void *_plr)
* the buffer and evict pseudo-locked memory read earlier from the
* cache.
*/
- saved_msr = __rdmsr(MSR_MISC_FEATURE_CONTROL);
- __wrmsr(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits, 0x0);
+ saved_msr = native_rdmsrq(MSR_MISC_FEATURE_CONTROL);
+ native_wrmsrq(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits);
closid_p = this_cpu_read(pqr_state.cur_closid);
rmid_p = this_cpu_read(pqr_state.cur_rmid);
mem_r = plr->kmem;
@@ -494,7 +495,7 @@ int resctrl_arch_pseudo_lock_fn(void *_plr)
* pseudo-locked followed by reading of kernel memory to load it
* into the cache.
*/
- __wrmsr(MSR_IA32_PQR_ASSOC, rmid_p, plr->closid);
+ native_wrmsr(MSR_IA32_PQR_ASSOC, rmid_p, plr->closid);
/*
* Cache was flushed earlier. Now access kernel memory to read it
@@ -531,10 +532,10 @@ int resctrl_arch_pseudo_lock_fn(void *_plr)
* Critical section end: restore closid with capacity bitmask that
* does not overlap with pseudo-locked region.
*/
- __wrmsr(MSR_IA32_PQR_ASSOC, rmid_p, closid_p);
+ native_wrmsr(MSR_IA32_PQR_ASSOC, rmid_p, closid_p);
/* Re-enable the hardware prefetcher(s) */
- wrmsrl(MSR_MISC_FEATURE_CONTROL, saved_msr);
+ wrmsrq(MSR_MISC_FEATURE_CONTROL, saved_msr);
local_irq_enable();
plr->thread_done = 1;
@@ -904,7 +905,7 @@ int resctrl_arch_measure_cycles_lat_fn(void *_plr)
* Disable hardware prefetchers.
*/
rdmsr(MSR_MISC_FEATURE_CONTROL, saved_low, saved_high);
- wrmsr(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits, 0x0);
+ wrmsrq(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits);
mem_r = READ_ONCE(plr->kmem);
/*
* Dummy execute of the time measurement to load the needed
@@ -1000,7 +1001,7 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
* Disable hardware prefetchers.
*/
rdmsr(MSR_MISC_FEATURE_CONTROL, saved_low, saved_high);
- wrmsr(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits, 0x0);
+ wrmsrq(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits);
/* Initialize rest of local variables */
/*
@@ -1018,8 +1019,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
* used in L1 cache, second to capture accurate value that does not
* include cache misses incurred because of instruction loads.
*/
- rdpmcl(hit_pmcnum, hits_before);
- rdpmcl(miss_pmcnum, miss_before);
+ hits_before = rdpmc(hit_pmcnum);
+ miss_before = rdpmc(miss_pmcnum);
/*
* From SDM: Performing back-to-back fast reads are not guaranteed
* to be monotonic.
@@ -1027,8 +1028,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
* before proceeding.
*/
rmb();
- rdpmcl(hit_pmcnum, hits_before);
- rdpmcl(miss_pmcnum, miss_before);
+ hits_before = rdpmc(hit_pmcnum);
+ miss_before = rdpmc(miss_pmcnum);
/*
* Use LFENCE to ensure all previous instructions are retired
* before proceeding.
@@ -1050,8 +1051,8 @@ static int measure_residency_fn(struct perf_event_attr *miss_attr,
* before proceeding.
*/
rmb();
- rdpmcl(hit_pmcnum, hits_after);
- rdpmcl(miss_pmcnum, miss_after);
+ hits_after = rdpmc(hit_pmcnum);
+ miss_after = rdpmc(miss_pmcnum);
/*
* Use LFENCE to ensure all previous instructions are retired
* before proceeding.
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index cc4a54145c83..c85ace29ea3a 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -28,6 +28,7 @@
#include <uapi/linux/magic.h>
+#include <asm/msr.h>
#include <asm/resctrl.h>
#include "internal.h"
@@ -1635,7 +1636,7 @@ void resctrl_arch_mon_event_config_read(void *_config_info)
pr_warn_once("Invalid event id %d\n", config_info->evtid);
return;
}
- rdmsrl(MSR_IA32_EVT_CFG_BASE + index, msrval);
+ rdmsrq(MSR_IA32_EVT_CFG_BASE + index, msrval);
/* Report only the valid event configuration bits */
config_info->mon_config = msrval & MAX_EVT_CONFIG_BITS;
@@ -1707,7 +1708,7 @@ void resctrl_arch_mon_event_config_write(void *_config_info)
pr_warn_once("Invalid event id %d\n", config_info->evtid);
return;
}
- wrmsr(MSR_IA32_EVT_CFG_BASE + index, config_info->mon_config, 0);
+ wrmsrq(MSR_IA32_EVT_CFG_BASE + index, config_info->mon_config);
}
static void mbm_config_write_domain(struct rdt_resource *r,
@@ -2326,14 +2327,14 @@ static void l3_qos_cfg_update(void *arg)
{
bool *enable = arg;
- wrmsrl(MSR_IA32_L3_QOS_CFG, *enable ? L3_QOS_CDP_ENABLE : 0ULL);
+ wrmsrq(MSR_IA32_L3_QOS_CFG, *enable ? L3_QOS_CDP_ENABLE : 0ULL);
}
static void l2_qos_cfg_update(void *arg)
{
bool *enable = arg;
- wrmsrl(MSR_IA32_L2_QOS_CFG, *enable ? L2_QOS_CDP_ENABLE : 0ULL);
+ wrmsrq(MSR_IA32_L2_QOS_CFG, *enable ? L2_QOS_CDP_ENABLE : 0ULL);
}
static inline bool is_mba_linear(void)
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 8ce352fc72ac..6722b2fc82cf 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/vmalloc.h>
+#include <asm/msr.h>
#include <asm/sgx.h>
#include "driver.h"
#include "encl.h"
@@ -871,7 +872,7 @@ void sgx_update_lepubkeyhash(u64 *lepubkeyhash)
WARN_ON_ONCE(preemptible());
for (i = 0; i < 4; i++)
- wrmsrl(MSR_IA32_SGXLEPUBKEYHASH0 + i, lepubkeyhash[i]);
+ wrmsrq(MSR_IA32_SGXLEPUBKEYHASH0 + i, lepubkeyhash[i]);
}
const struct file_operations sgx_provision_fops = {
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 01456236a6dd..e35ccdc84910 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -30,6 +30,7 @@
#include <asm/hypervisor.h>
#include <asm/io_apic.h>
#include <asm/mpspec.h>
+#include <asm/msr.h>
#include <asm/smp.h>
#include "cpu.h"
@@ -154,7 +155,7 @@ static __init bool check_for_real_bsp(u32 apic_id)
* kernel must rely on the firmware enumeration order.
*/
if (has_apic_base) {
- rdmsrl(MSR_IA32_APICBASE, msr);
+ rdmsrq(MSR_IA32_APICBASE, msr);
is_bsp = !!(msr & MSR_IA32_APICBASE_BSP);
}
diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c
index eb799e2405f9..843b1655ab45 100644
--- a/arch/x86/kernel/cpu/topology_amd.c
+++ b/arch/x86/kernel/cpu/topology_amd.c
@@ -3,6 +3,7 @@
#include <asm/apic.h>
#include <asm/memtype.h>
+#include <asm/msr.h>
#include <asm/processor.h>
#include "cpu.h"
@@ -133,7 +134,7 @@ static void parse_fam10h_node_id(struct topo_scan *tscan)
if (!boot_cpu_has(X86_FEATURE_NODEID_MSR))
return;
- rdmsrl(MSR_FAM10H_NODE_ID, nid.msr);
+ rdmsrq(MSR_FAM10H_NODE_ID, nid.msr);
store_node(tscan, nid.nodes_per_pkg + 1, nid.node_id);
tscan->c->topo.llc_id = nid.node_id;
}
@@ -160,7 +161,7 @@ static void topoext_fixup(struct topo_scan *tscan)
if (msr_set_bit(0xc0011005, 54) <= 0)
return;
- rdmsrl(0xc0011005, msrval);
+ rdmsrq(0xc0011005, msrval);
if (msrval & BIT_64(54)) {
set_cpu_cap(c, X86_FEATURE_TOPOEXT);
pr_info_once(FW_INFO "CPU: Re-enabling disabled Topology Extensions Support.\n");
diff --git a/arch/x86/kernel/cpu/tsx.c b/arch/x86/kernel/cpu/tsx.c
index b31ee4f1657a..49782724a943 100644
--- a/arch/x86/kernel/cpu/tsx.c
+++ b/arch/x86/kernel/cpu/tsx.c
@@ -12,6 +12,7 @@
#include <asm/cmdline.h>
#include <asm/cpu.h>
+#include <asm/msr.h>
#include "cpu.h"
@@ -24,7 +25,7 @@ static void tsx_disable(void)
{
u64 tsx;
- rdmsrl(MSR_IA32_TSX_CTRL, tsx);
+ rdmsrq(MSR_IA32_TSX_CTRL, tsx);
/* Force all transactions to immediately abort */
tsx |= TSX_CTRL_RTM_DISABLE;
@@ -37,14 +38,14 @@ static void tsx_disable(void)
*/
tsx |= TSX_CTRL_CPUID_CLEAR;
- wrmsrl(MSR_IA32_TSX_CTRL, tsx);
+ wrmsrq(MSR_IA32_TSX_CTRL, tsx);
}
static void tsx_enable(void)
{
u64 tsx;
- rdmsrl(MSR_IA32_TSX_CTRL, tsx);
+ rdmsrq(MSR_IA32_TSX_CTRL, tsx);
/* Enable the RTM feature in the cpu */
tsx &= ~TSX_CTRL_RTM_DISABLE;
@@ -56,7 +57,7 @@ static void tsx_enable(void)
*/
tsx &= ~TSX_CTRL_CPUID_CLEAR;
- wrmsrl(MSR_IA32_TSX_CTRL, tsx);
+ wrmsrq(MSR_IA32_TSX_CTRL, tsx);
}
static enum tsx_ctrl_states x86_get_tsx_auto_mode(void)
@@ -115,13 +116,13 @@ static void tsx_clear_cpuid(void)
*/
if (boot_cpu_has(X86_FEATURE_RTM_ALWAYS_ABORT) &&
boot_cpu_has(X86_FEATURE_TSX_FORCE_ABORT)) {
- rdmsrl(MSR_TSX_FORCE_ABORT, msr);
+ rdmsrq(MSR_TSX_FORCE_ABORT, msr);
msr |= MSR_TFA_TSX_CPUID_CLEAR;
- wrmsrl(MSR_TSX_FORCE_ABORT, msr);
+ wrmsrq(MSR_TSX_FORCE_ABORT, msr);
} else if (cpu_feature_enabled(X86_FEATURE_MSR_TSX_CTRL)) {
- rdmsrl(MSR_IA32_TSX_CTRL, msr);
+ rdmsrq(MSR_IA32_TSX_CTRL, msr);
msr |= TSX_CTRL_CPUID_CLEAR;
- wrmsrl(MSR_IA32_TSX_CTRL, msr);
+ wrmsrq(MSR_IA32_TSX_CTRL, msr);
}
}
@@ -146,11 +147,11 @@ static void tsx_dev_mode_disable(void)
!cpu_feature_enabled(X86_FEATURE_SRBDS_CTRL))
return;
- rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_opt_ctrl);
+ rdmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_opt_ctrl);
if (mcu_opt_ctrl & RTM_ALLOW) {
mcu_opt_ctrl &= ~RTM_ALLOW;
- wrmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_opt_ctrl);
+ wrmsrq(MSR_IA32_MCU_OPT_CTRL, mcu_opt_ctrl);
setup_force_cpu_cap(X86_FEATURE_RTM_ALWAYS_ABORT);
}
}
diff --git a/arch/x86/kernel/cpu/umwait.c b/arch/x86/kernel/cpu/umwait.c
index 2293efd6ffa6..933fcd7ff250 100644
--- a/arch/x86/kernel/cpu/umwait.c
+++ b/arch/x86/kernel/cpu/umwait.c
@@ -33,7 +33,7 @@ static DEFINE_MUTEX(umwait_lock);
static void umwait_update_control_msr(void * unused)
{
lockdep_assert_irqs_disabled();
- wrmsr(MSR_IA32_UMWAIT_CONTROL, READ_ONCE(umwait_control_cached), 0);
+ wrmsrq(MSR_IA32_UMWAIT_CONTROL, READ_ONCE(umwait_control_cached));
}
/*
@@ -71,7 +71,7 @@ static int umwait_cpu_offline(unsigned int cpu)
* the original control MSR value in umwait_init(). So there
* is no race condition here.
*/
- wrmsr(MSR_IA32_UMWAIT_CONTROL, orig_umwait_control_cached, 0);
+ wrmsrq(MSR_IA32_UMWAIT_CONTROL, orig_umwait_control_cached);
return 0;
}
@@ -214,7 +214,7 @@ static int __init umwait_init(void)
* changed. This is the only place where orig_umwait_control_cached
* is modified.
*/
- rdmsrl(MSR_IA32_UMWAIT_CONTROL, orig_umwait_control_cached);
+ rdmsrq(MSR_IA32_UMWAIT_CONTROL, orig_umwait_control_cached);
ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "umwait:online",
umwait_cpu_online, umwait_cpu_offline);
diff --git a/arch/x86/kernel/cpu/zhaoxin.c b/arch/x86/kernel/cpu/zhaoxin.c
index 90eba7eb5335..89b1c8a70fe8 100644
--- a/arch/x86/kernel/cpu/zhaoxin.c
+++ b/arch/x86/kernel/cpu/zhaoxin.c
@@ -4,6 +4,7 @@
#include <asm/cpu.h>
#include <asm/cpufeature.h>
+#include <asm/msr.h>
#include "cpu.h"