netdev - Re: [PATCH bpf-next v2] samples/bpf: Set flag __SANE_USERSPACE_TYPES_

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Date:   Mon, 25 Jan 2021 23:30:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        lixuefeng@...ngson.cn
Subject: Re: [PATCH bpf-next v2] samples/bpf: Set flag __SANE_USERSPACE_TYPES__
 for MIPS to fix build warnings

Hello:

This patch was applied to bpf/bpf-next.git (refs/heads/master):

On Mon, 25 Jan 2021 13:05:46 +0800 you wrote:
> There exists many build warnings when make M=samples/bpf on the Loongson
> platform, this issue is MIPS related, x86 compiles just fine.
> 
> Here are some warnings:
> 
>   CC  samples/bpf/ibumad_user.o
> samples/bpf/ibumad_user.c: In function ‘dump_counts’:
> samples/bpf/ibumad_user.c:46:24: warning: format ‘%llu’ expects argument of type ‘long long unsigned int’, but argument 3 has type ‘__u64’ {aka ‘long unsigned int’} [-Wformat=]
>     printf("0x%02x : %llu\n", key, value);
>                      ~~~^          ~~~~~
>                      %lu
>   CC  samples/bpf/offwaketime_user.o
> samples/bpf/offwaketime_user.c: In function ‘print_ksym’:
> samples/bpf/offwaketime_user.c:34:17: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 3 has type ‘__u64’ {aka ‘long unsigned int’} [-Wformat=]
>    printf("%s/%llx;", sym->name, addr);
>               ~~~^               ~~~~
>               %lx
> samples/bpf/offwaketime_user.c: In function ‘print_stack’:
> samples/bpf/offwaketime_user.c:68:17: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘__u64’ {aka ‘long unsigned int’} [-Wformat=]
>   printf(";%s %lld\n", key->waker, count);
>               ~~~^                 ~~~~~
>               %ld
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2] samples/bpf: Set flag __SANE_USERSPACE_TYPES__ for MIPS to fix build warnings
    https://git.kernel.org/bpf/bpf-next/c/190d1c921ad0

You are awesome, thank you!
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