Thanks a lot, Ferruh
Already rebase and send v6, please review 2/2 patch.
On 2021/5/19 20:30, Ferruh Yigit wrote:
> On 5/19/2021 12:54 PM, Chengwen Feng wrote:
>> Compile error with gcc8.3 and crossfile arm64_thunderx2_linux_gcc:
>> ../drivers/net/hns3/hns3_rxtx_vec_sve.c
>> cc1: error: switch ‘-mcpu=armv8.1-a’ conflicts with
>> ‘-march=armv8.2-a’ switch [-Werror]
>> ../drivers/net/hns3/hns3_rxtx_vec_sve.c:5:10: fatal error:
>> arm_sve.h: No such file or directory
>> 5 | #include <arm_sve.h>
>>
>> The root cause is that gcc8.3 supports SVE, but it doesn't support
>> compile ACLE[1] SVE code, and the hns3_rxtx_vec_sve.c was written
>> by ACLE SVE code.
>>
>> This patch also filters out '-march=' '-mcpu' '-mtune' when compile
>> with hns3_rxtx_vec_sve.c.
>>
>> [1] ACLE: Arm C Language Extensions, user should include <arm_sve.h>
>> when writing ACLE SVE code.
>>
>> Fixes: 203fbaf8813d ("net/hns3: refactor SVE code compile method")
>>
>> Signed-off-by: Chengwen Feng <fengcheng...@huawei.com>
>
> Hi Chengwen,
>
> We need CI result to proceed with the patch, since I don't have arm platfrom
> to
> test this properly.
>
> But in the CI applying patch fails, I guess that is because the original patch
> has been dropped in the next-net.
>
> Can you please send a new version of the patch rebased on top of latest
> next-net?
>
> .
>
