Re: [PATCH bpf-next 0/5] bpf, x86: enable EXECMEM_ROX_CACHE for BPF allocations

[Daniel Borkmann]

Hi Mike,

On 7/9/26 10:03 AM, Mike Rapoport wrote:
> Gentle ping
>
> On Fri, Jun 26, 2026 at 09:42:27PM +0300, Mike Rapoport (Microsoft) wrote:
> > Hi,
> >
> > BPF allocations of executable memory on x86 are essentially read-only. Most
> > paths that call bpf_jit_alloc_exec() immediately make it ROX with
> > set_memory_rox().
> >
> > The code generation, at least on x86, uses separately allocated writable
> > buffers and then updates the actual text memory with text_poke().
> >
> > These patches do several small adjustments to how BPF allocates executable
> > memory and enable EXECMEM_ROX_CACHE for BPF allocations on x86.
I think there was an open Q from Alexei wrt the sashiko reports [0] and
whether you could address them. Once done, please resend to bpf list.

Thanks,
Daniel

  [0] https://lore.kernel.org/bpf/20260626-execmem-x86-rox-bpf-v0-v1-0-45a0b0ed4fe9@xxxxxxxxxx/#r