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Subject[PATCH v3 11/11] x86/cpu: remove hypervisor specific set_cpu_features
Date
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>
---
arch/x86/include/asm/hypervisor.h | 5 -----
arch/x86/kernel/cpu/common.c | 1 -
arch/x86/kernel/cpu/hypervisor.c | 8 --------
3 files changed, 14 deletions(-)

diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index 6f7545c6e9cf..21126155a739 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -35,9 +35,6 @@ struct hypervisor_x86 {
/* Detection routine */
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) */
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_kvm;

-extern void init_hypervisor(struct cpuinfo_x86 *c);
extern void init_hypervisor_platform(void);
extern bool hypervisor_x2apic_available(void);
extern void hypervisor_pin_vcpu(int cpu);
#else
-static inline void init_hypervisor(struct cpuinfo_x86 *c) { }
static inline void init_hypervisor_platform(void) { }
static inline bool hypervisor_x2apic_available(void) { return false; }
#endif /* CONFIG_HYPERVISOR_GUEST */
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 8ee32119144d..c8b39870f33e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1149,7 +1149,6 @@ static void identify_cpu(struct cpuinfo_x86 *c)
detect_ht(c);
#endif

- init_hypervisor(c);
x86_init_rdrand(c);
x86_init_cache_qos(c);
setup_pku(c);
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index ce6fcc30f2ad..4fa90006ac68 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -63,12 +63,6 @@ detect_hypervisor_vendor(void)
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)
{

@@ -77,8 +71,6 @@ void __init init_hypervisor_platform(void)
if (!x86_hyper)
return;

- init_hypervisor(&boot_cpu_data);
-
if (x86_hyper->init_platform)
x86_hyper->init_platform();
}
--
2.12.0
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