x86/speculation: Use Indirect Branch Prediction Barrier in context switch

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / tlbflush.h

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index d33e4a26dc7ed2db51687ddb4ca7ee3a35ddf835..2b8f18ca58747ae40b515c2bf674f8faced147e8 100644 (file)
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -174,6 +174,8 @@ struct tlb_state {
        struct mm_struct *loaded_mm;
        u16 loaded_mm_asid;
        u16 next_asid;
+       /* last user mm's ctx id */
+       u64 last_ctx_id;
 
        /*
         * We can be in one of several states: