x86/mm: Use/Fix PCID to optimize user/kernel switches

[uclinux-h8/linux.git] / arch / x86 / kernel / asm-offsets.c

diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index 676b7cf..76417a9 100644 (file)
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -17,6 +17,7 @@
 #include <asm/sigframe.h>
 #include <asm/bootparam.h>
 #include <asm/suspend.h>
+#include <asm/tlbflush.h>
 
 #ifdef CONFIG_XEN
 #include <xen/interface/xen.h>
@@ -94,6 +95,9 @@ void common(void) {
        BLANK();
        DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
 
+       /* TLB state for the entry code */
+       OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask);
+
        /* Layout info for cpu_entry_area */
        OFFSET(CPU_ENTRY_AREA_tss, cpu_entry_area, tss);
        OFFSET(CPU_ENTRY_AREA_entry_trampoline, cpu_entry_area, entry_trampoline);