[PATCH bpf-next v3 4/9] bpf: Introduce load-acquire and store-release instructions

Peilin Ye yepeilin at google.com
Thu Feb 27 00:04:50 PST 2025


On Wed, Feb 26, 2025 at 06:18:47PM -0800, Alexei Starovoitov wrote:
> It's border line ok-ish to delay arena ld_acq/st_rel on x86 for a follow up,
> but non-arena on x86 should be done in this patch.
> It's trivial to add support on x86-64 and
> limiting the selftest to:
> .. defined(__TARGET_ARCH_arm64)
> is just not right.
> 
> Even arena ld_acq/st_rel can be done in this patch too.
> It is such a minor addition compared to the rest, so I don't see
> a reason not to do it right away.

Sure!  I'll add x86-64 support (including arena) in v4.

Thanks,
Peilin Ye




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