Merge branches 'x86/asm', 'x86/debug', 'x86/mm', 'x86/setup', 'x86/urgent' and 'linus' into x86/core

arch/x86/mm/pageattr.c

@@ -522,6 +522,17 @@ static int split_large_page(pte_t *kpte, unsigned long address)
 	 * primary protection behavior:
 	 */
 	__set_pmd_pte(kpte, address, mk_pte(base, __pgprot(_KERNPG_TABLE)));
+
+	/*
+	 * Intel Atom errata AAH41 workaround.
+	 *
+	 * The real fix should be in hw or in a microcode update, but
+	 * we also probabilistically try to reduce the window of having
+	 * a large TLB mixed with 4K TLBs while instruction fetches are
+	 * going on.
+	 */
+	__flush_tlb_all();
+
 	base = NULL;
 
 out_unlock: