From 5aefd786fba7336c1ecc608e2a126e4f45b180d7 Mon Sep 17 00:00:00 2001 From: Zhenzhong Duan Date: Wed, 23 Oct 2019 19:16:21 +0800 Subject: [PATCH] x86/kvm: Change print code to use pr_*() format pr_*() is preferred than printk(KERN_* ...), after change all the print in arch/x86/kernel/kvm.c will have "kvm-guest: xxx" style. No functional change. Signed-off-by: Zhenzhong Duan Reviewed-by: Vitaly Kuznetsov Cc: Paolo Bonzini Cc: Radim Krcmar Cc: Sean Christopherson Cc: Vitaly Kuznetsov Cc: Wanpeng Li Cc: Jim Mattson Cc: Joerg Roedel Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Signed-off-by: Paolo Bonzini --- arch/x86/kernel/kvm.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index e4208ce11689..4ef21a87f1d3 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -7,6 +7,8 @@ * Authors: Anthony Liguori */ +#define pr_fmt(fmt) "kvm-guest: " fmt + #include #include #include @@ -306,8 +308,8 @@ static void kvm_register_steal_time(void) return; wrmsrl(MSR_KVM_STEAL_TIME, (slow_virt_to_phys(st) | KVM_MSR_ENABLED)); - pr_info("kvm-stealtime: cpu %d, msr %llx\n", - cpu, (unsigned long long) slow_virt_to_phys(st)); + pr_info("stealtime: cpu %d, msr %llx\n", cpu, + (unsigned long long) slow_virt_to_phys(st)); } static DEFINE_PER_CPU_DECRYPTED(unsigned long, kvm_apic_eoi) = KVM_PV_EOI_DISABLED; @@ -512,7 +514,8 @@ static void __send_ipi_mask(const struct cpumask *mask, int vector) } else { ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, (unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr); - WARN_ONCE(ret < 0, "KVM: failed to send PV IPI: %ld", ret); + WARN_ONCE(ret < 0, "kvm-guest: failed to send PV IPI: %ld", + ret); min = max = apic_id; ipi_bitmap = 0; } @@ -522,7 +525,8 @@ static void __send_ipi_mask(const struct cpumask *mask, int vector) if (ipi_bitmap) { ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, (unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr); - WARN_ONCE(ret < 0, "KVM: failed to send PV IPI: %ld", ret); + WARN_ONCE(ret < 0, "kvm-guest: failed to send PV IPI: %ld", + ret); } local_irq_restore(flags); @@ -552,7 +556,7 @@ static void kvm_setup_pv_ipi(void) { apic->send_IPI_mask = kvm_send_ipi_mask; apic->send_IPI_mask_allbutself = kvm_send_ipi_mask_allbutself; - pr_info("KVM setup pv IPIs\n"); + pr_info("setup PV IPIs\n"); } static void kvm_smp_send_call_func_ipi(const struct cpumask *mask) @@ -667,11 +671,11 @@ static void __init kvm_guest_init(void) smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu; if (pv_sched_yield_supported()) { smp_ops.send_call_func_ipi = kvm_smp_send_call_func_ipi; - pr_info("KVM setup pv sched yield\n"); + pr_info("setup PV sched yield\n"); } if (cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "x86/kvm:online", kvm_cpu_online, kvm_cpu_down_prepare) < 0) - pr_err("kvm_guest: Failed to install cpu hotplug callbacks\n"); + pr_err("failed to install cpu hotplug callbacks\n"); #else sev_map_percpu_data(); kvm_guest_cpu_init(); @@ -910,8 +914,8 @@ static void kvm_enable_host_haltpoll(void *i) void arch_haltpoll_enable(unsigned int cpu) { if (!kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL)) { - pr_err_once("kvm: host does not support poll control\n"); - pr_err_once("kvm: host upgrade recommended\n"); + pr_err_once("host does not support poll control\n"); + pr_err_once("host upgrade recommended\n"); return; } -- 2.39.5