[PATCH] spinlock: fix API comments

[Thomas Monjalon]

04/05/2026 11:12, Thomas Monjalon:
> This is not a read-write lock.
> 
> The user field stores the thread ID, not the core ID.
> 
> The implementation is architecture-specific in some cases only.
> 
> Reported-by: Stephen Hemminger <stephen at networkplumber.org>
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>

Fixes: ca2e2dab079a ("spinlock: support non-EAL thread")
Fixes: af75078fece3 ("first public release")
Cc: stable at dpdk.org