Re: [PATCH] stack: fix pile GCC memcpy warnings

[Ali Alnubani <alialnu@nvidia.com>]

On 10/20/26 11:49 AM, Morten Brørup wrote:

> On architectures where rte_memcpy() is defined as memcpy(),
> GCC warns about source/destination overflow when copying more than the
> source/destination size, even for code paths that are not taken in cases
> where the sizes are smaller.
>
> The relevant compiler warnings were disabled for GCC at the two
> occurrences, and comments describing the reason were added.
>
> NB:
> It has not been investigated which GCC versions are affected.
> GCC version 10 and up was chosen because that was what the previous
> versions of x86 rte_memcpy() disabled sligthly similar warnings for.
>
> PS:
> The alternative was to obfuscate the code, but that would make the code
> less readable, and might have unintended effects on architectures and
> compilers not suffering by this issue.
>
> Bugzilla ID: 2061
> Fixes: ee0822a0ef41 ("stack: introduce pile")
>
> The pile was introduce with this DPDK release, so no need to backport.
>
> Reported-by: Ali Alnubani <alialnu@nvidia.com>
> Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
> ---

Build passes with this patch.

Tested-by: Ali Alnubani <alialnu@nvidia.com>

Thanks,
Ali