diff options
Diffstat (limited to 'arch/x86/xen/enlighten.c')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index a9ba14ac3aea..366b6aed4a8e 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -137,8 +137,6 @@ struct shared_info xen_dummy_shared_info; void *xen_initial_gdt; RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); -__read_mostly int xen_have_vector_callback; -EXPORT_SYMBOL_GPL(xen_have_vector_callback); static int xen_cpu_up_prepare(unsigned int cpu); static int xen_cpu_up_online(unsigned int cpu); @@ -1524,10 +1522,7 @@ static void __init xen_pvh_early_guest_init(void) if (!xen_feature(XENFEAT_auto_translated_physmap)) return; - if (!xen_feature(XENFEAT_hvm_callback_vector)) - return; - - xen_have_vector_callback = 1; + BUG_ON(!xen_feature(XENFEAT_hvm_callback_vector)); xen_pvh_early_cpu_init(0, false); xen_pvh_set_cr_flags(0); @@ -1864,9 +1859,7 @@ static int xen_cpu_up_prepare(unsigned int cpu) xen_vcpu_setup(cpu); } - if (xen_pv_domain() || - (xen_have_vector_callback && - xen_feature(XENFEAT_hvm_safe_pvclock))) + if (xen_pv_domain() || xen_feature(XENFEAT_hvm_safe_pvclock)) xen_setup_timer(cpu); rc = xen_smp_intr_init(cpu); @@ -1882,9 +1875,7 @@ static int xen_cpu_dead(unsigned int cpu) { xen_smp_intr_free(cpu); - if (xen_pv_domain() || - (xen_have_vector_callback && - xen_feature(XENFEAT_hvm_safe_pvclock))) + if (xen_pv_domain() || xen_feature(XENFEAT_hvm_safe_pvclock)) xen_teardown_timer(cpu); return 0; @@ -1922,8 +1913,8 @@ static void __init xen_hvm_guest_init(void) xen_panic_handler_init(); - if (xen_feature(XENFEAT_hvm_callback_vector)) - xen_have_vector_callback = 1; + BUG_ON(!xen_feature(XENFEAT_hvm_callback_vector)); + xen_hvm_smp_init(); WARN_ON(xen_cpuhp_setup()); xen_unplug_emulated_devices(); @@ -1961,7 +1952,7 @@ bool xen_hvm_need_lapic(void) return false; if (!xen_hvm_domain()) return false; - if (xen_feature(XENFEAT_hvm_pirqs) && xen_have_vector_callback) + if (xen_feature(XENFEAT_hvm_pirqs)) return false; return true; } |