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Revert "riscv: mm: accelerate pagefault when badaccess"

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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 4c6c002042.

Fixes: 4c6c002042 ("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>
This commit is contained in:
Palmer Dabbelt 2024-05-30 09:44:51 -07:00
parent 994af1825a
commit e2c79b4c5c
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1 changed files with 2 additions and 2 deletions
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arch/riscv/mm/fault.c
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@ -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;
}