[PATCH v2 04/19] ARC: mm: Fixes to allow STRICT_MM_TYPECHECKS

Vineet Gupta vgupta at kernel.org
Thu Aug 12 16:37:38 PDT 2021


Signed-off-by: Vineet Gupta <vgupta at kernel.org>
---
 arch/arc/mm/tlb.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 6079dfd129b9..15cbc285b0de 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -71,7 +71,7 @@ static void tlb_entry_erase(unsigned int vaddr_n_asid)
 	}
 }
 
-static void tlb_entry_insert(unsigned int pd0, pte_t pd1)
+static void tlb_entry_insert(unsigned int pd0, phys_addr_t pd1)
 {
 	unsigned int idx;
 
@@ -109,13 +109,16 @@ static void tlb_entry_erase(unsigned int vaddr_n_asid)
 	write_aux_reg(ARC_REG_TLBCOMMAND, TLBDeleteEntry);
 }
 
-static void tlb_entry_insert(unsigned int pd0, pte_t pd1)
+static void tlb_entry_insert(unsigned int pd0, phys_addr_t pd1)
 {
 	write_aux_reg(ARC_REG_TLBPD0, pd0);
-	write_aux_reg(ARC_REG_TLBPD1, pd1);
 
-	if (is_pae40_enabled())
+	if (!is_pae40_enabled()) {
+		write_aux_reg(ARC_REG_TLBPD1, pd1);
+	} else {
+		write_aux_reg(ARC_REG_TLBPD1, pd1 & 0xFFFFFFFF);
 		write_aux_reg(ARC_REG_TLBPD1HI, (u64)pd1 >> 32);
+	}
 
 	write_aux_reg(ARC_REG_TLBCOMMAND, TLBInsertEntry);
 }
@@ -391,7 +394,7 @@ void create_tlb(struct vm_area_struct *vma, unsigned long vaddr, pte_t *ptep)
 	unsigned long flags;
 	unsigned int asid_or_sasid, rwx;
 	unsigned long pd0;
-	pte_t pd1;
+	phys_addr_t pd1;
 
 	/*
 	 * create_tlb() assumes that current->mm == vma->mm, since
-- 
2.25.1




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