summaryrefslogtreecommitdiff
path: root/arch/x86/kvm/debugfs.c
diff options
context:
space:
mode:
authorMoritz Fischer <mdf@kernel.org>2019-09-03 19:35:07 -0700
committerMoritz Fischer <mdf@kernel.org>2019-09-03 19:35:07 -0700
commitaf9ca4b0bd0502bb134f18d394a613be371d2352 (patch)
tree37b1159d4456e223981dddde4795f2061c83d14c /arch/x86/kvm/debugfs.c
parentcbb4a74478e9eef0f8ef437e95ef7645008988f7 (diff)
parent99097a214b0c15f7595ac8f2788662f3941c1992 (diff)
Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into fpga-dfl-for-5.4
Diffstat (limited to 'arch/x86/kvm/debugfs.c')
-rw-r--r--arch/x86/kvm/debugfs.c46
1 files changed, 13 insertions, 33 deletions
diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c
index 329361b69d5e..018aebce33ff 100644
--- a/arch/x86/kvm/debugfs.c
+++ b/arch/x86/kvm/debugfs.c
@@ -8,11 +8,6 @@
#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;
@@ -48,37 +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;
-
- ret = debugfs_create_file("tsc-offset", 0444,
- vcpu->debugfs_dentry,
- vcpu, &vcpu_tsc_offset_fops);
- if (!ret)
- return -ENOMEM;
+ debugfs_create_file("tsc-offset", 0444, vcpu->debugfs_dentry, vcpu,
+ &vcpu_tsc_offset_fops);
- 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;
}