summaryrefslogtreecommitdiff
path: root/arch/riscv/mm/fault.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2020-12-11 17:49:01 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:49:01 +0000
commit3e98a021cc85e7d52acdd1eae8a988e975ec5bf9 (patch)
treececfac58b9550a602555a02a9d583ed0f3378b38 /arch/riscv/mm/fault.c
parent58f7553fa424fd0fd74e8b796d50c66014cebebe (diff)
parent2fee9583198eb97b5351feda7bd825e0f778385c (diff)
Merge remote-tracking branch 'spi/for-5.11' into spi-next
Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r--arch/riscv/mm/fault.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 1359e21c0c62..3c8b9e433c67 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -86,6 +86,7 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a
pmd_t *pmd, *pmd_k;
pte_t *pte_k;
int index;
+ unsigned long pfn;
/* User mode accesses just cause a SIGSEGV */
if (user_mode(regs))
@@ -100,7 +101,8 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a
* of a task switch.
*/
index = pgd_index(addr);
- pgd = (pgd_t *)pfn_to_virt(csr_read(CSR_SATP)) + index;
+ pfn = csr_read(CSR_SATP) & SATP_PPN;
+ pgd = (pgd_t *)pfn_to_virt(pfn) + index;
pgd_k = init_mm.pgd + index;
if (!pgd_present(*pgd_k)) {