diff options
Diffstat (limited to 'arch/powerpc/kernel/firmware.c')
| -rw-r--r-- | arch/powerpc/kernel/firmware.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c index fe48d319d490..c9e2819b095a 100644 --- a/arch/powerpc/kernel/firmware.c +++ b/arch/powerpc/kernel/firmware.c @@ -14,6 +14,7 @@ #include <linux/of.h> #include <asm/firmware.h> +#include <asm/kvm_guest.h> #ifdef CONFIG_PPC64 unsigned long powerpc_firmware_features __read_mostly; @@ -21,17 +22,19 @@ EXPORT_SYMBOL_GPL(powerpc_firmware_features); #endif #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST) -bool is_kvm_guest(void) +DEFINE_STATIC_KEY_FALSE(kvm_guest); +bool check_kvm_guest(void) { struct device_node *hyper_node; hyper_node = of_find_node_by_path("/hypervisor"); if (!hyper_node) - return 0; + return false; if (!of_device_is_compatible(hyper_node, "linux,kvm")) - return 0; + return false; - return 1; + static_branch_enable(&kvm_guest); + return true; } #endif |