x86/entry/64: Make cpu_entry_area.tss read-only

[thirdparty/kernel/stable.git] / arch / x86 / include / asm / switch_to.h

diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
index cbc71e73bd3216d7a7bed45bbaa8e998e92f1b0c..9b6df68d8fd1eba26f3651faa5c8b8f4dcf223f1 100644 (file)
--- a/arch/x86/include/asm/switch_to.h
+++ b/arch/x86/include/asm/switch_to.h
@@ -79,10 +79,10 @@ do {                                                                        \
 static inline void refresh_sysenter_cs(struct thread_struct *thread)
 {
        /* Only happens when SEP is enabled, no need to test "SEP"arately: */
-       if (unlikely(this_cpu_read(cpu_tss.x86_tss.ss1) == thread->sysenter_cs))
+       if (unlikely(this_cpu_read(cpu_tss_rw.x86_tss.ss1) == thread->sysenter_cs))
                return;
 
-       this_cpu_write(cpu_tss.x86_tss.ss1, thread->sysenter_cs);
+       this_cpu_write(cpu_tss_rw.x86_tss.ss1, thread->sysenter_cs);
        wrmsr(MSR_IA32_SYSENTER_CS, thread->sysenter_cs, 0);
 }
 #endif