diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 15:20:26 -0400 |
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committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 15:20:26 -0400 |
commit | bf3b7b7ba9e3db55d164ec7bf05e6947f79637cd (patch) | |
tree | 7de81ebc8339c2a985b2af0e360368e281564c93 /arch/riscv/mm/fault.c | |
parent | 8a7904a672a1d33c848e5129f886ee69e0773a2e (diff) | |
parent | dabbd6abcdbeb1358a53ec28a244429320eb0e3a (diff) |
Merge branch 'for-rc' into rdma.git
From https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
The rc RDMA branch is needed due to dependencies on the next patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r-- | arch/riscv/mm/fault.c | 4 |
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)) { |