Merge branch 'x86/mm' into x86/platform, to pick up TLB flush dependency

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 25 insertions, 3 deletions

diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c
index 6d5717bd7197..b1dd4a948fc0 100644
--- a/mm/early_ioremap.c
+++ b/mm/early_ioremap.c
@@ -30,6 +30,13 @@ early_param("early_ioremap_debug", early_ioremap_debug_setup);
 
 static int after_paging_init __initdata;
 
+pgprot_t __init __weak early_memremap_pgprot_adjust(resource_size_t phys_addr,
+						    unsigned long size,
+						    pgprot_t prot)
+{
+	return prot;
+}
+
 void __init __weak early_ioremap_shutdown(void)
 {
 }
@@ -215,14 +222,29 @@ early_ioremap(resource_size_t phys_addr, unsigned long size)
 void __init *
 early_memremap(resource_size_t phys_addr, unsigned long size)
 {
-	return (__force void *)__early_ioremap(phys_addr, size,
-					       FIXMAP_PAGE_NORMAL);
+	pgprot_t prot = early_memremap_pgprot_adjust(phys_addr, size,
+						     FIXMAP_PAGE_NORMAL);
+
+	return (__force void *)__early_ioremap(phys_addr, size, prot);
 }
 #ifdef FIXMAP_PAGE_RO
 void __init *
 early_memremap_ro(resource_size_t phys_addr, unsigned long size)
 {
-	return (__force void *)__early_ioremap(phys_addr, size, FIXMAP_PAGE_RO);
+	pgprot_t prot = early_memremap_pgprot_adjust(phys_addr, size,
+						     FIXMAP_PAGE_RO);
+
+	return (__force void *)__early_ioremap(phys_addr, size, prot);
+}
+#endif
+
+#ifdef CONFIG_ARCH_USE_MEMREMAP_PROT
+void __init *
+early_memremap_prot(resource_size_t phys_addr, unsigned long size,
+		    unsigned long prot_val)
+{
+	return (__force void *)__early_ioremap(phys_addr, size,
+					       __pgprot(prot_val));
 }
 #endif