D45191.diff
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	diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h
	--- a/sys/amd64/include/cpufunc.h
	+++ b/sys/amd64/include/cpufunc.h
	@@ -525,6 +525,29 @@
	: : "r" (d), "r" ((u_long)type) : "memory");
	}

	+#define INVLPGB_VA 0x0001
	+#define INVLPGB_PCID 0x0002
	+#define INVLPGB_ASID 0x0004
	+#define INVLPGB_GLOB 0x0008
	+#define INVLPGB_FIN 0x0010
	+#define INVLPGB_NEST 0x0020
	+
	+#define INVLPGB_DESCR(asid, pcid) (((pcid) << 16) \| (asid))
	+
	+#define INVLPGB_2M_CNT (1u << 31)
	+
	+static __inline void
	+invlpgb(uint64_t rax, uint32_t edx, uint32_t ecx)
	+{
	+ __asm __volatile("invlpgb" : : "a" (rax), "d" (edx), "c" (ecx));
	+}
	+
	+static __inline void
	+tlbsync(void)
	+{
	+ __asm __volatile("tlbsync");
	+}
	+
	static __inline u_short
	rfs(void)
	{