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x86/cpu: remove hypervisor specific set_cpu_features

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There is no user of x86_hyper->set_cpu_features() any more. Remove it.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Juergen Gross
2017-04-13 09:42:03 +02:00
parent d40342a2ac
commit 65f9d65443
3 changed files with 0 additions and 14 deletions
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5
arch/x86/include/asm/hypervisor.h
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@@ -35,9 +35,6 @@ struct hypervisor_x86 {
/* Detection routine */ /* Detection routine */
uint32_t (*detect)(void); uint32_t (*detect)(void);
/* Adjust CPU feature bits (run once per CPU) */
void (*set_cpu_features)(struct cpuinfo_x86 *);
/* Platform setup (run once per boot) */ /* Platform setup (run once per boot) */
void (*init_platform)(void); void (*init_platform)(void);
@@ -57,12 +54,10 @@ extern const struct hypervisor_x86 x86_hyper_xen_pv;
extern const struct hypervisor_x86 x86_hyper_xen_hvm; extern const struct hypervisor_x86 x86_hyper_xen_hvm;
extern const struct hypervisor_x86 x86_hyper_kvm; extern const struct hypervisor_x86 x86_hyper_kvm;
extern void init_hypervisor(struct cpuinfo_x86 *c);
extern void init_hypervisor_platform(void); extern void init_hypervisor_platform(void);
extern bool hypervisor_x2apic_available(void); extern bool hypervisor_x2apic_available(void);
extern void hypervisor_pin_vcpu(int cpu); extern void hypervisor_pin_vcpu(int cpu);
#else #else
static inline void init_hypervisor(struct cpuinfo_x86 *c) { }
static inline void init_hypervisor_platform(void) { } static inline void init_hypervisor_platform(void) { }
static inline bool hypervisor_x2apic_available(void) { return false; } static inline bool hypervisor_x2apic_available(void) { return false; }
#endif /* CONFIG_HYPERVISOR_GUEST */ #endif /* CONFIG_HYPERVISOR_GUEST */

1
arch/x86/kernel/cpu/common.c
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@@ -1149,7 +1149,6 @@ static void identify_cpu(struct cpuinfo_x86 *c)
detect_ht(c); detect_ht(c);
#endif #endif
init_hypervisor(c);
x86_init_rdrand(c); x86_init_rdrand(c);
x86_init_cache_qos(c); x86_init_cache_qos(c);
setup_pku(c); setup_pku(c);

8
arch/x86/kernel/cpu/hypervisor.c
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@@ -63,12 +63,6 @@ detect_hypervisor_vendor(void)
pr_info("Hypervisor detected: %s\n", x86_hyper->name); pr_info("Hypervisor detected: %s\n", x86_hyper->name);
} }
void init_hypervisor(struct cpuinfo_x86 *c)
{
if (x86_hyper && x86_hyper->set_cpu_features)
x86_hyper->set_cpu_features(c);
}
void __init init_hypervisor_platform(void) void __init init_hypervisor_platform(void)
{ {
@@ -77,8 +71,6 @@ void __init init_hypervisor_platform(void)
if (!x86_hyper) if (!x86_hyper)
return; return;
init_hypervisor(&boot_cpu_data);
if (x86_hyper->init_platform) if (x86_hyper->init_platform)
x86_hyper->init_platform(); x86_hyper->init_platform();
} }