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-rw-r--r--arch/x86/include/asm/debugreg.h24
-rw-r--r--arch/x86/include/asm/fsgsbase.h2
-rw-r--r--arch/x86/include/asm/msr.h26
-rw-r--r--arch/x86/include/asm/nmi.h3
-rw-r--r--arch/x86/include/asm/processor.h28
-rw-r--r--arch/x86/include/asm/smp.h5
-rw-r--r--arch/x86/include/asm/spec-ctrl.h2
-rw-r--r--arch/x86/include/asm/special_insns.h4
-rw-r--r--arch/x86/include/asm/tsc.h3
-rw-r--r--arch/x86/include/asm/uaccess_64.h7
10 files changed, 49 insertions, 55 deletions
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index 0cec92c430cc..fdbbbfec745a 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -5,7 +5,9 @@
#include <linux/bug.h>
#include <linux/percpu.h>
#include <uapi/asm/debugreg.h>
+
#include <asm/cpufeature.h>
+#include <asm/msr.h>
DECLARE_PER_CPU(unsigned long, cpu_dr7);
@@ -159,4 +161,26 @@ static inline unsigned long amd_get_dr_addr_mask(unsigned int dr)
}
#endif
+static inline unsigned long get_debugctlmsr(void)
+{
+ unsigned long debugctlmsr = 0;
+
+#ifndef CONFIG_X86_DEBUGCTLMSR
+ if (boot_cpu_data.x86 < 6)
+ return 0;
+#endif
+ rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
+
+ return debugctlmsr;
+}
+
+static inline void update_debugctlmsr(unsigned long debugctlmsr)
+{
+#ifndef CONFIG_X86_DEBUGCTLMSR
+ if (boot_cpu_data.x86 < 6)
+ return;
+#endif
+ wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
+}
+
#endif /* _ASM_X86_DEBUGREG_H */
diff --git a/arch/x86/include/asm/fsgsbase.h b/arch/x86/include/asm/fsgsbase.h
index 35cff5f2becf..9e7e8ca8e299 100644
--- a/arch/x86/include/asm/fsgsbase.h
+++ b/arch/x86/include/asm/fsgsbase.h
@@ -6,7 +6,7 @@
#ifdef CONFIG_X86_64
-#include <asm/msr-index.h>
+#include <asm/msr.h>
/*
* Read/write a task's FSBASE or GSBASE. This returns the value that
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index c284ff9ebe67..d642037f9ed5 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -12,11 +12,13 @@
#include <uapi/asm/msr.h>
#include <asm/shared/msr.h>
+#include <linux/percpu.h>
+
struct msr_info {
- u32 msr_no;
- struct msr reg;
- struct msr *msrs;
- int err;
+ u32 msr_no;
+ struct msr reg;
+ struct msr __percpu *msrs;
+ int err;
};
struct msr_regs_info {
@@ -323,8 +325,8 @@ static inline int wrmsrl_safe(u32 msr, u64 val)
return wrmsr_safe(msr, (u32)val, (u32)(val >> 32));
}
-struct msr *msrs_alloc(void);
-void msrs_free(struct msr *msrs);
+struct msr __percpu *msrs_alloc(void);
+void msrs_free(struct msr __percpu *msrs);
int msr_set_bit(u32 msr, u8 bit);
int msr_clear_bit(u32 msr, u8 bit);
@@ -333,8 +335,8 @@ int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
int rdmsrl_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
int wrmsrl_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
+void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
+void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
int rdmsrl_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
@@ -363,14 +365,14 @@ static inline int wrmsrl_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
return 0;
}
static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
- struct msr *msrs)
+ struct msr __percpu *msrs)
{
- rdmsr_on_cpu(0, msr_no, &(msrs[0].l), &(msrs[0].h));
+ rdmsr_on_cpu(0, msr_no, raw_cpu_ptr(&msrs->l), raw_cpu_ptr(&msrs->h));
}
static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
- struct msr *msrs)
+ struct msr __percpu *msrs)
{
- wrmsr_on_cpu(0, msr_no, msrs[0].l, msrs[0].h);
+ wrmsr_on_cpu(0, msr_no, raw_cpu_read(msrs->l), raw_cpu_read(msrs->h));
}
static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no,
u32 *l, u32 *h)
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index 5c5f1e56c404..41a0ebb699ec 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -14,9 +14,6 @@ extern void release_perfctr_nmi(unsigned int);
extern int reserve_evntsel_nmi(unsigned int);
extern void release_evntsel_nmi(unsigned int);
-struct ctl_table;
-extern int proc_nmi_enabled(struct ctl_table *, int ,
- void __user *, size_t *, loff_t *);
extern int unknown_nmi_panic;
#endif /* CONFIG_X86_LOCAL_APIC */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 89cf39dbd306..8830133f220c 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -20,7 +20,6 @@ struct vm86;
#include <asm/page.h>
#include <asm/pgtable_types.h>
#include <asm/percpu.h>
-#include <asm/msr.h>
#include <asm/desc_defs.h>
#include <asm/nops.h>
#include <asm/special_insns.h>
@@ -185,13 +184,8 @@ extern struct cpuinfo_x86 new_cpu_data;
extern __u32 cpu_caps_cleared[NCAPINTS + NBUGINTS];
extern __u32 cpu_caps_set[NCAPINTS + NBUGINTS];
-#ifdef CONFIG_SMP
DECLARE_PER_CPU_READ_MOSTLY(struct cpuinfo_x86, cpu_info);
#define cpu_data(cpu) per_cpu(cpu_info, cpu)
-#else
-#define cpu_info boot_cpu_data
-#define cpu_data(cpu) boot_cpu_data
-#endif
extern const struct seq_operations cpuinfo_op;
@@ -575,28 +569,6 @@ extern void cpu_init(void);
extern void cpu_init_exception_handling(void);
extern void cr4_init(void);
-static inline unsigned long get_debugctlmsr(void)
-{
- unsigned long debugctlmsr = 0;
-
-#ifndef CONFIG_X86_DEBUGCTLMSR
- if (boot_cpu_data.x86 < 6)
- return 0;
-#endif
- rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
-
- return debugctlmsr;
-}
-
-static inline void update_debugctlmsr(unsigned long debugctlmsr)
-{
-#ifndef CONFIG_X86_DEBUGCTLMSR
- if (boot_cpu_data.x86 < 6)
- return;
-#endif
- wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
-}
-
extern void set_task_blockstep(struct task_struct *task, bool on);
/* Boot loader type from the setup header: */
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 54d6d71e0eca..a35936b512fe 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -56,11 +56,6 @@ static inline void stop_other_cpus(void)
smp_ops.stop_other_cpus(1);
}
-static inline void smp_prepare_boot_cpu(void)
-{
- smp_ops.smp_prepare_boot_cpu();
-}
-
static inline void smp_prepare_cpus(unsigned int max_cpus)
{
smp_ops.smp_prepare_cpus(max_cpus);
diff --git a/arch/x86/include/asm/spec-ctrl.h b/arch/x86/include/asm/spec-ctrl.h
index c648502e4535..658b690b2ccb 100644
--- a/arch/x86/include/asm/spec-ctrl.h
+++ b/arch/x86/include/asm/spec-ctrl.h
@@ -96,4 +96,6 @@ static inline void speculative_store_bypass_ht_init(void) { }
extern void speculation_ctrl_update(unsigned long tif);
extern void speculation_ctrl_update_current(void);
+extern bool itlb_multihit_kvm_mitigation;
+
#endif
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index 48f8dd47cf68..f13df37c0060 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -2,11 +2,11 @@
#ifndef _ASM_X86_SPECIAL_INSNS_H
#define _ASM_X86_SPECIAL_INSNS_H
-
#ifdef __KERNEL__
-
#include <asm/nops.h>
#include <asm/processor-flags.h>
+
+#include <linux/errno.h>
#include <linux/irqflags.h>
#include <linux/jump_label.h>
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 594fce0ca744..405efb3e4996 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -5,8 +5,9 @@
#ifndef _ASM_X86_TSC_H
#define _ASM_X86_TSC_H
-#include <asm/processor.h>
#include <asm/cpufeature.h>
+#include <asm/processor.h>
+#include <asm/msr.h>
/*
* Standard way to access the cycle counter.
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index f2c02e4469cc..d2a0c2aa972c 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -54,7 +54,7 @@ static inline unsigned long __untagged_addr_remote(struct mm_struct *mm,
* half and a user half. When cast to a signed type, user pointers
* are positive and kernel pointers are negative.
*/
-#define valid_user_address(x) ((long)(x) >= 0)
+#define valid_user_address(x) ((__force long)(x) >= 0)
/*
* User pointers can have tag bits on x86-64. This scheme tolerates
@@ -87,8 +87,9 @@ static inline bool __access_ok(const void __user *ptr, unsigned long size)
if (__builtin_constant_p(size <= PAGE_SIZE) && size <= PAGE_SIZE) {
return valid_user_address(ptr);
} else {
- unsigned long sum = size + (unsigned long)ptr;
- return valid_user_address(sum) && sum >= (unsigned long)ptr;
+ unsigned long sum = size + (__force unsigned long)ptr;
+
+ return valid_user_address(sum) && sum >= (__force unsigned long)ptr;
}
}
#define __access_ok __access_ok
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-30 01:20:53 +0300