Re: [PATCH v5 bpf-next 05/15] samples/bpf: use __LINUX_ARM_ARCH__ selector for arm

[Ivan Khoronzhuk]

On Fri, Oct 11, 2019 at 11:46:54AM +0300, Sergei Shtylyov wrote:
> Hello!
>
>   Sorry, didn't comment on v4...
>
> On 11.10.2019 3:27, Ivan Khoronzhuk wrote:
>
> > For arm, -D__LINUX_ARM_ARCH__=X is min version used as instruction
> > set selector and is absolutely required while parsing some parts of
> > headers. It's present in KBUILD_CFLAGS but not in autoconf.h, so let's
> > retrieve it from and add to programs cflags. In another case errors
>
>   From where? And it's program's, no?
from KBUIL_CFLAGS. it's programs.

> > like "SMP is not supported" for armv7 and bunch of other errors are
> > issued resulting to incorrect final object.
> >
> > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
> [...]
>
> MBR, Sergei

--
Regards,
Ivan Khoronzhuk