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Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 8830133f220c..811548f131f4 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -526,6 +526,9 @@ static __always_inline unsigned long current_top_of_stack(void)
* and around vm86 mode and sp0 on x86_64 is special because of the
* entry trampoline.
*/
+ if (IS_ENABLED(CONFIG_USE_X86_SEG_SUPPORT))
+ return this_cpu_read_const(const_pcpu_hot.top_of_stack);
+
return this_cpu_read_stable(pcpu_hot.top_of_stack);
}
@@ -548,7 +551,7 @@ static inline void load_sp0(unsigned long sp0)
unsigned long __get_wchan(struct task_struct *p);
-extern void select_idle_routine(const struct cpuinfo_x86 *c);
+extern void select_idle_routine(void);
extern void amd_e400_c1e_apic_setup(void);
extern unsigned long boot_option_idle_override;