[Xen-devel] [PATCH v3 11/11] x86/cpu: remove hypervisor specific set_cpu_features

[Juergen Gross <jgross@xxxxxxxx>]

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

Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
 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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