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authorRussell King <rmk+kernel@armlinux.org.uk>2017-09-09 16:34:41 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2017-09-09 16:34:41 +0100
commite558bdc21ae1f0db520eccd84015e17d8a589973 (patch)
treeb436123bd52f267b8c7f361618cded3e1e4421ea /arch/x86/include/asm/processor.h
parent746a272e44141af24a02f6c9b0f65f4c4598ed42 (diff)
parent9a3dc3186fc3795e076a4122da9e0258651a9631 (diff)
downloadop-kernel-dev-e558bdc21ae1f0db520eccd84015e17d8a589973.zip
op-kernel-dev-e558bdc21ae1f0db520eccd84015e17d8a589973.tar.gz
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index a28b671..028245e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -129,7 +129,7 @@ struct cpuinfo_x86 {
/* Index into per_cpu list: */
u16 cpu_index;
u32 microcode;
-};
+} __randomize_layout;
struct cpuid_regs {
u32 eax, ebx, ecx, edx;
@@ -231,6 +231,14 @@ native_cpuid_reg(ebx)
native_cpuid_reg(ecx)
native_cpuid_reg(edx)
+/*
+ * Friendlier CR3 helpers.
+ */
+static inline unsigned long read_cr3_pa(void)
+{
+ return __read_cr3() & CR3_ADDR_MASK;
+}
+
static inline void load_cr3(pgd_t *pgdir)
{
write_cr3(__pa(pgdir));
@@ -899,8 +907,13 @@ static inline int mpx_disable_management(void)
}
#endif /* CONFIG_X86_INTEL_MPX */
+#ifdef CONFIG_CPU_SUP_AMD
extern u16 amd_get_nb_id(int cpu);
extern u32 amd_get_nodes_per_socket(void);
+#else
+static inline u16 amd_get_nb_id(int cpu) { return 0; }
+static inline u32 amd_get_nodes_per_socket(void) { return 0; }
+#endif
static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves)
{
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