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authorBorislav Petkov <bp@suse.de>2022-07-11 09:58:01 +0200
committerBorislav Petkov <bp@suse.de>2022-07-11 09:58:01 +0200
commit5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3 (patch)
treefc501a1b940026cbd5316f8665236c109d5f1a2e /arch/x86/kernel/acpi/cppc.c
parentb69a2afd5afce9bf6d56e349d6ab592c916e20f2 (diff)
parent32346491ddf24599decca06190ebca03ff9de7f8 (diff)
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Merge tag 'v5.19-rc6' into tip:x86/kdump
Merge rc6 to pick up dependent changes to the bootparam UAPI header. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kernel/acpi/cppc.c')
-rw-r--r--arch/x86/kernel/acpi/cppc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/cppc.c b/arch/x86/kernel/acpi/cppc.c
index 8b8cbf22461a..734b96454896 100644
--- a/arch/x86/kernel/acpi/cppc.c
+++ b/arch/x86/kernel/acpi/cppc.c
@@ -11,6 +11,16 @@
/* Refer to drivers/acpi/cppc_acpi.c for the description of functions */
+bool cpc_supported_by_cpu(void)
+{
+ switch (boot_cpu_data.x86_vendor) {
+ case X86_VENDOR_AMD:
+ case X86_VENDOR_HYGON:
+ return boot_cpu_has(X86_FEATURE_CPPC);
+ }
+ return false;
+}
+
bool cpc_ffh_supported(void)
{
return true;