netdev - Re: [PATCH v2 bpf-next] libbpf: fix printf compilation warnings on ppc64le arch

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Date:   Thu, 12 Dec 2019 18:30:50 +0000
From:   Martin Lau <kafai@...com>
To:     Andrii Nakryiko <andriin@...com>
CC:     "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "andrii.nakryiko@...il.com" <andrii.nakryiko@...il.com>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v2 bpf-next] libbpf: fix printf compilation warnings on
 ppc64le arch

On Thu, Dec 12, 2019 at 09:19:18AM -0800, Andrii Nakryiko wrote:
> On ppc64le __u64 and __s64 are defined as long int and unsigned long int,
> respectively. This causes compiler to emit warning when %lld/%llu are used to
> printf 64-bit numbers. Fix this by casting to size_t/ssize_t with %zu and %zd
> format specifiers, respectively.
Acked-by: Martin KaFai Lau <kafai@...com>