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Date: Wed, 13 Jan 2021 23:29:16 +0100 From: KP Singh <kpsingh@...nel.org> To: Gilad Reti <gilad.reti@...il.com> Cc: bpf <bpf@...r.kernel.org>, Yonghong Song <yhs@...com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, John Fastabend <john.fastabend@...il.com>, Shuah Khan <shuah@...nel.org>, Networking <netdev@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, linux-kselftest@...r.kernel.org Subject: Re: [PATCH bpf v2 1/2] bpf: support PTR_TO_MEM{,_OR_NULL} register spilling On Wed, Jan 13, 2021 at 6:38 AM Gilad Reti <gilad.reti@...il.com> wrote: > > Add support for pointer to mem register spilling, to allow the verifier > to track pointers to valid memory addresses. Such pointers are returned > for example by a successful call of the bpf_ringbuf_reserve helper. > > The patch was partially contributed by CyberArk Software, Inc. > > Fixes: 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for it") > Suggested-by: Yonghong Song <yhs@...com> > Signed-off-by: Gilad Reti <gilad.reti@...il.com> Acked-by: KP Singh <kpsingh@...nel.org>
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