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| author | Xiao Wang <xiao.w.wang@intel.com> | 2024-03-13 11:33:34 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-05-23 01:12:54 +0200 |
| commit | f1905946bed052522522303f1d144f506ef5d9f9 (patch) | |
| tree | c202023751bdb1d8550881e63b4ff3cc490b024c /arch/riscv/lib | |
| parent | riscv: typo in comment for get_f64_reg (diff) | |
| download | linux-f1905946bed052522522303f1d144f506ef5d9f9.tar.xz linux-f1905946bed052522522303f1d144f506ef5d9f9.zip | |
riscv: uaccess: Allow the last potential unrolled copy
When the dst buffer pointer points to the last accessible aligned addr, we
could still run another iteration of unrolled copy.
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240313103334.4036554-1-xiao.w.wang@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/lib')
| -rw-r--r-- | arch/riscv/lib/uaccess.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S index bc22c078aba8..64792a7ae72e 100644 --- a/arch/riscv/lib/uaccess.S +++ b/arch/riscv/lib/uaccess.S @@ -103,7 +103,7 @@ SYM_FUNC_START(fallback_scalar_usercopy) fixup REG_S t4, 7*SZREG(a0), 10f addi a0, a0, 8*SZREG addi a1, a1, 8*SZREG - bltu a0, t0, 2b + bleu a0, t0, 2b addi t0, t0, 8*SZREG /* revert to original value */ j .Lbyte_copy_tail |