On 10/18/19 7:41 AM, John Fastabend wrote:
> With commit "libbpf: stop enforcing kern_version,..." we removed the
> kernel version section parsing in favor of querying for the kernel
> using uname() and populating the version using the result of the
> query. After this any version sections were simply ignored.
>
> Unfortunately, the world of kernels is not so friendly. I've found some
> customized kernels where uname() does not match the in kernel version.
> To fix this so programs can load in this environment this patch adds
> back parsing the section and if it exists uses the user specified
> kernel version to override the uname() result. However, keep most the
> kernel uname() discovery bits so users are not required to insert the
> version except in these odd cases.
>
> Fixes: 5e61f27070292 ("libbpf: stop enforcing kern_version, populate it for
> users")
> Signed-off-by: John Fastabend <[email protected]>
> ---
In the name of not breaking users of weird kernels :)
Acked-by: Andrii Nakryiko <[email protected]>
> tools/lib/bpf/libbpf.c | 21 ++++++++++++++++++++-
> 1 file changed, 20 insertions(+), 1 deletion(-)
>
[...]
