Re: Inlining migrate_disable/enable. Was: [PATCH bpf-next v2 02/18] x86,bpf: add bpf_global_caller for global trampoline

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

On Wed, Jul 16, 2025 at 09:56:11AM -0700, Alexei Starovoitov wrote:

> Maybe Peter has better ideas ?

Is it possible to express runqueues::nr_pinned as an alias?

extern unsigned int __attribute__((alias("runqueues.nr_pinned"))) this_nr_pinned;

And use:

	__this_cpu_inc(&this_nr_pinned);


This syntax doesn't actually seem to work; but can we construct
something like that?

Google finds me this:

 https://gcc.gnu.org/pipermail/gcc-help/2012-February/109877.html