diff options
Diffstat (limited to 'arch/x86/kvm/debugfs.c')
| -rw-r--r-- | arch/x86/kvm/debugfs.c | 51 |
1 files changed, 14 insertions, 37 deletions
diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c index a2f3432ce090..018aebce33ff 100644 --- a/arch/x86/kvm/debugfs.c +++ b/arch/x86/kvm/debugfs.c @@ -1,21 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Kernel-based Virtual Machine driver for Linux * * Copyright 2016 Red Hat, Inc. and/or its affiliates. - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * */ #include <linux/kvm_host.h> #include <linux/debugfs.h> #include "lapic.h" -bool kvm_arch_has_vcpu_debugfs(void) -{ - return true; -} - static int vcpu_get_timer_advance_ns(void *data, u64 *val) { struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data; @@ -51,37 +43,22 @@ static int vcpu_get_tsc_scaling_frac_bits(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_scaling_frac_fops, vcpu_get_tsc_scaling_frac_bits, NULL, "%llu\n"); -int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) +void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) { - struct dentry *ret; + debugfs_create_file("tsc-offset", 0444, vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_offset_fops); - ret = debugfs_create_file("tsc-offset", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_offset_fops); - if (!ret) - return -ENOMEM; - - if (lapic_in_kernel(vcpu)) { - ret = debugfs_create_file("lapic_timer_advance_ns", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_timer_advance_ns_fops); - if (!ret) - return -ENOMEM; - } + if (lapic_in_kernel(vcpu)) + debugfs_create_file("lapic_timer_advance_ns", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_timer_advance_ns_fops); if (kvm_has_tsc_control) { - ret = debugfs_create_file("tsc-scaling-ratio", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_scaling_fops); - if (!ret) - return -ENOMEM; - ret = debugfs_create_file("tsc-scaling-ratio-frac-bits", 0444, - vcpu->debugfs_dentry, - vcpu, &vcpu_tsc_scaling_frac_fops); - if (!ret) - return -ENOMEM; - + debugfs_create_file("tsc-scaling-ratio", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_scaling_fops); + debugfs_create_file("tsc-scaling-ratio-frac-bits", 0444, + vcpu->debugfs_dentry, vcpu, + &vcpu_tsc_scaling_frac_fops); } - - return 0; } |