Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Wed, 22 Feb 2023 10:50:48 +0800 you wrote:
> Commit 74e19ef0ff8061ef55957c3a ("uaccess: Add speculation barrier to
> copy_from_user()") defines a default barrier_nospec() and removes the
> #ifdefs in kernel/bpf/core.c, but doesn't include nospec.h, which causes
> such a build error:
>
> CC kernel/bpf/core.o
> kernel/bpf/core.c: In function ‘___bpf_prog_run’:
> kernel/bpf/core.c:1913:3: error: implicit declaration of function ‘barrier_nospec’; did you mean ‘barrier_data’? [-Werror=implicit-function-declaration]
> barrier_nospec();
> ^~~~~~~~~~~~~~
> barrier_data
> cc1: some warnings being treated as errors
>
> [...]
Here is the summary with links:
- BPF: Include missing nospec.h to avoid build error
https://git.kernel.org/bpf/bpf/c/345d24a91c79
You are awesome, thank you!
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