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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
commitd263dfa7d2697a43f3299b9731cd568ee49cdd2c (patch)
treef5d993c7000ac41ee926acf0b357ec572ef7908f /arch/powerpc/kernel/firmware.c
parentdrm/i915/gt: Prune inlines (diff)
parentMerge tag 'drm-intel-gt-next-2021-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff)
downloadwireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.tar.xz
wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.zip
Merge drm/drm-next into drm-intel-gt-next
Backmerging to get a common base for merging topic branches between drm-intel-next and drm-intel-gt-next. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'arch/powerpc/kernel/firmware.c')
-rw-r--r--arch/powerpc/kernel/firmware.c11
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