Revert "riscv: mm: accelerate pagefault when badaccess"

I accidentally picked up an earlier version of this patch, which had
already landed via mm.  The patch  I picked up contains a bug, which I
kept as I thought it was a fix.  So let's just revert it.

This reverts commit 4c6c0020427a4547845a83f7e4d6085e16c3e24f.

Fixes: 4c6c0020427a ("riscv: mm: accelerate pagefault when badaccess")
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240530164451.21336-1-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index b3fcf7d67efba16a9ee5adf8e4144ef663326edb..5224f373380225a2dfdecd40bfc01ce8f5d13bc0 100644 (file)
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -293,8 +293,8 @@ void handle_page_fault(struct pt_regs *regs)
        if (unlikely(access_error(cause, vma))) {
                vma_end_read(vma);
                count_vm_vma_lock_event(VMA_LOCK_SUCCESS);
-               tsk->thread.bad_cause = SEGV_ACCERR;
-               bad_area_nosemaphore(regs, code, addr);
+               tsk->thread.bad_cause = cause;
+               bad_area_nosemaphore(regs, SEGV_ACCERR, addr);
                return;
        }