On Fri, Nov 15, 2019 at 8:48 AM Ruifeng Wang <ruifeng.w...@arm.com> wrote:
>
> Couple of warnings will block build when warnings been treated as errors.
> Clang version 8.0 was used.
>
> Warning messages during build:
> ../lib/librte_bpf/bpf_jit_arm64.c:1438:26: warning: incompatible pointer
> types passing 'uint32_t *' (aka 'unsigned int *') to parameter of type
> 'char *' [-Wincompatible-pointer-types]
> __builtin___clear_cache(ctx.ins, ctx.ins + ctx.idx);
> ^~~~~~~
> ../lib/librte_bpf/bpf_jit_arm64.c:1438:35: warning: incompatible pointer
> types passing 'uint32_t *' (aka 'unsigned int *') to parameter of type
> 'char *' [-Wincompatible-pointer-types]
> __builtin___clear_cache(ctx.ins, ctx.ins + ctx.idx);
> ^~~~~~~~~~~~~~~~~
>
> Fixes: f3e516772464 ("bpf/arm: add prologue and epilogue")
> Cc: sta...@dpdk.org
No need to CC stable as this has been added in this release.
Is clang prototype for __builtin___clear_cache() different? If so,
update the git commit for the reason for the failure.
in gcc[1], it is void *.
[1]
void __builtin___clear_cache (void *begin, void *end)
>
> Signed-off-by: Ruifeng Wang <ruifeng.w...@arm.com>
> Reviewed-by: Phil Yang <phil.y...@arm.com>
> Reviewed-by: Gavin Hu <gavin...@arm.com>
