sync: rvck #120: Optimization of the assembly code of uaccess APIs.#168
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mainline inclusion from mainline-v6.10-rc1 commit f1905946bed052522522303f1d144f506ef5d9f9 category: feature bugzilla: RVCK-Project/rvck#112 -------------------------------- 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> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: gaorui <gao.rui@zte.com.cn> Signed-off-by: Yanteng Si <si.yanteng@linux.dev> Signed-off-by: Mingzheng Xing <xingmingzheng@iscas.ac.cn> (cherry picked from commit 93a3ff3)
mainline inclusion from mainline-v6.10-rc1 commit 9850e73e82972f518b75dd0d94d2322f44d9191d category: feature bugzilla: RVCK-Project/rvck#112 -------------------------------- The bytes copy for unaligned head would cover at most SZREG-1 bytes, so it's better to set the threshold as >= (SZREG-1 + word_copy stride size) which equals to 9*SZREG-1. Signed-off-by: Xiao Wang <xiao.w.wang@intel.com> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: gaorui <gao.rui@zte.com.cn> Signed-off-by: Yanteng Si <si.yanteng@linux.dev> Signed-off-by: Mingzheng Xing <xingmingzheng@iscas.ac.cn> (cherry picked from commit 269dadf)
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开始测试 log: https://github.com/RVCK-Project/rvck-olk/actions/runs/24122428324 参数解析结果
测试完成 详细结果:RVCK result
Kunit Test Result[07:28:19] Testing complete. Ran 454 tests: passed: 442, skipped: 12 Kernel Build ResultKernel build succeeded: RVCK-Project/rvck-olk/168__1/ ff153d7ce64ae11b74f3ab3c8ecd06d9 /srv/guix_result/17a3d4f1e3d8f06e8b39e6d8534fb9a0e3fd8893/Image LAVA Checkargs:
result:Lava check done! lava log: https://lava.oerv.ac.cn/scheduler/job/1760 lava result count: [fail]: 20, [pass]: 1586, [skip]: 293 Check Patch Result
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Sync commits from rvck PR #120.
Source PR: RVCK-Project/rvck#120
Commits
93a3ff344b69riscv: uaccess: Allow the last potential unrolled copy269dadf8845friscv: uaccess: Relax the threshold for fast path