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KVM: Fix modprobe failure for kvm_intel/kvm_amd
The x86 specific kvm init creates a new conflicting debugfs directory which causes modprobe issues with kvm_intel and kvm_amd. For example, sudo modprobe kvm_amd modprobe: ERROR: could not insert 'kvm_amd': Bad address The simplest fix is to just rename the directory. The following KVM config options are set: CONFIG_KVM_GUEST=y CONFIG_KVM_DEBUG_FS=y CONFIG_HAVE_KVM=y CONFIG_HAVE_KVM_IRQCHIP=y CONFIG_HAVE_KVM_IRQ_ROUTING=y CONFIG_HAVE_KVM_EVENTFD=y CONFIG_KVM_APIC_ARCHITECTURE=y CONFIG_KVM_MMIO=y CONFIG_KVM_ASYNC_PF=y CONFIG_HAVE_KVM_MSI=y CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT=y CONFIG_KVM=m CONFIG_KVM_INTEL=m CONFIG_KVM_AMD=m CONFIG_KVM_DEVICE_ASSIGNMENT=y Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Gleb Natapov <gleb@redhat.com> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Tim Gardner <tim.gardner@canonical.com> [Change debugfs directory name. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -609,7 +609,7 @@ static struct dentry *d_kvm_debug;
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struct dentry *kvm_init_debugfs(void)
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{
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d_kvm_debug = debugfs_create_dir("kvm", NULL);
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d_kvm_debug = debugfs_create_dir("kvm-guest", NULL);
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if (!d_kvm_debug)
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printk(KERN_WARNING "Could not create 'kvm' debugfs directory\n");
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