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authorHuang Rui <ray.huang@amd.com>2022-01-06 15:43:06 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-01-06 18:52:07 +0100
commit6c4ab1b86dac3954d15c00c1a6396d60a1023fab (patch)
treec348e6dd46732a235348c0ffefcbd9a6ef91e5da
parenta2e6840b37b45d04e095c47f961211b7697cb063 (diff)
downloadlinux-6c4ab1b86dac3954d15c00c1a6396d60a1023fab.tar.bz2
x86, sched: Fix undefined reference to init_freq_invariance_cppc() build error
The init_freq_invariance_cppc function is implemented in smpboot and depends on CONFIG_SMP. MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.kallsyms1 ld: drivers/acpi/cppc_acpi.o: in function `acpi_cppc_processor_probe': /home/ray/brahma3/linux/drivers/acpi/cppc_acpi.c:819: undefined reference to `init_freq_invariance_cppc' make: *** [Makefile:1161: vmlinux] Error 1 See https://lore.kernel.org/lkml/484af487-7511-647e-5c5b-33d4429acdec@infradead.org/. Fixes: 41ea667227ba ("x86, sched: Calculate frequency invariance for AMD systems") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Huang Rui <ray.huang@amd.com> [ rjw: Subject edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--arch/x86/include/asm/topology.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index cc164777e661..2f0b6be8eaab 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -221,7 +221,7 @@ static inline void arch_set_max_freq_ratio(bool turbo_disabled)
}
#endif
-#ifdef CONFIG_ACPI_CPPC_LIB
+#if defined(CONFIG_ACPI_CPPC_LIB) && defined(CONFIG_SMP)
void init_freq_invariance_cppc(void);
#define init_freq_invariance_cppc init_freq_invariance_cppc
#endif