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-rw-r--r--arch/x86/include/asm/processor.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 26620d7642a9..1188e8bf76a2 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -533,6 +533,9 @@ 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);
}