4 files changed, 29 insertions, 16 deletions

diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c
index 1e76fcb830..12222c56cb 100644
--- a/arch/loongarch/mm/hugetlbpage.c
+++ b/arch/loongarch/mm/hugetlbpage.c
@@ -50,21 +50,11 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
 	return (pte_t *) pmd;
 }
 
-int pmd_huge(pmd_t pmd)
-{
-	return (pmd_val(pmd) & _PAGE_HUGE) != 0;
-}
-
-int pud_huge(pud_t pud)
-{
-	return (pud_val(pud) & _PAGE_HUGE) != 0;
-}
-
 uint64_t pmd_to_entrylo(unsigned long pmd_val)
 {
 	uint64_t val;
 	/* PMD as PTE. Must be huge page */
-	if (!pmd_huge(__pmd(pmd_val)))
+	if (!pmd_leaf(__pmd(pmd_val)))
 		panic("%s", __func__);
 
 	val = pmd_val ^ _PAGE_HUGE;
diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index 4dd53427f6..bf789d114c 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -24,6 +24,7 @@
 #include <linux/gfp.h>
 #include <linux/hugetlb.h>
 #include <linux/mmzone.h>
+#include <linux/execmem.h>
 
 #include <asm/asm-offsets.h>
 #include <asm/bootinfo.h>
@@ -248,3 +249,23 @@ EXPORT_SYMBOL(invalid_pmd_table);
 #endif
 pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss;
 EXPORT_SYMBOL(invalid_pte_table);
+
+#ifdef CONFIG_EXECMEM
+static struct execmem_info execmem_info __ro_after_init;
+
+struct execmem_info __init *execmem_arch_setup(void)
+{
+	execmem_info = (struct execmem_info){
+		.ranges = {
+			[EXECMEM_DEFAULT] = {
+				.start	= MODULES_VADDR,
+				.end	= MODULES_END,
+				.pgprot	= PAGE_KERNEL,
+				.alignment = 1,
+			},
+		},
+	};
+
+	return &execmem_info;
+}
+#endif /* CONFIG_EXECMEM */
diff --git a/arch/loongarch/mm/mmap.c b/arch/loongarch/mm/mmap.c
index 89af7c12e8..8890309851 100644
--- a/arch/loongarch/mm/mmap.c
+++ b/arch/loongarch/mm/mmap.c
@@ -25,7 +25,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
 	struct vm_area_struct *vma;
 	unsigned long addr = addr0;
 	int do_color_align;
-	struct vm_unmapped_area_info info;
+	struct vm_unmapped_area_info info = {};
 
 	if (unlikely(len > TASK_SIZE))
 		return -ENOMEM;
@@ -83,7 +83,6 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
 		 */
 	}
 
-	info.flags = 0;
 	info.low_limit = mm->mmap_base;
 	info.high_limit = TASK_SIZE;
 	return vm_unmapped_area(&info);
diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S
index a44387b838..c08682a89c 100644
--- a/arch/loongarch/mm/tlbex.S
+++ b/arch/loongarch/mm/tlbex.S
@@ -125,6 +125,8 @@ vmalloc_load:
 tlb_huge_update_load:
 #ifdef CONFIG_SMP
 	ll.d		ra, t1, 0
+#else
+	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 #endif
 	andi		t0, ra, _PAGE_PRESENT
 	beqz		t0, nopage_tlb_load
@@ -135,7 +137,6 @@ tlb_huge_update_load:
 	beqz		t0, tlb_huge_update_load
 	ori		t0, ra, _PAGE_VALID
 #else
-	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 	ori		t0, ra, _PAGE_VALID
 	st.d		t0, t1, 0
 #endif
@@ -281,6 +282,8 @@ vmalloc_store:
 tlb_huge_update_store:
 #ifdef CONFIG_SMP
 	ll.d		ra, t1, 0
+#else
+	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 #endif
 	andi		t0, ra, _PAGE_PRESENT | _PAGE_WRITE
 	xori		t0, t0, _PAGE_PRESENT | _PAGE_WRITE
@@ -292,7 +295,6 @@ tlb_huge_update_store:
 	beqz		t0, tlb_huge_update_store
 	ori		t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
 #else
-	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 	ori		t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
 	st.d		t0, t1, 0
 #endif
@@ -438,6 +440,8 @@ vmalloc_modify:
 tlb_huge_update_modify:
 #ifdef CONFIG_SMP
 	ll.d		ra, t1, 0
+#else
+	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 #endif
 	andi		t0, ra, _PAGE_WRITE
 	beqz		t0, nopage_tlb_modify
@@ -448,7 +452,6 @@ tlb_huge_update_modify:
 	beqz		t0, tlb_huge_update_modify
 	ori		t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
 #else
-	rotri.d		ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1)
 	ori		t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
 	st.d		t0, t1, 0
 #endif