On Tue, 19 May 2026 at 12:37, Thomas Monjalon <[email protected]> wrote: > > When compiling with C++20 standard requirement (default in GCC 16), > the increment and decrement of volatile variables are rejected: > > rte_spinlock.h:241:14: error: > '++' expression of 'volatile'-qualified type is deprecated > rte_spinlock.h:252:21: error: > '--' expression of 'volatile'-qualified type is deprecated > rte_spinlock.h:278:14: error: > '++' expression of 'volatile'-qualified type is deprecated > > The count field of rte_spinlock_recursive_t > does not need the volatile qualifier > because it is only accessed by the thread holding the lock, > which already provides the necessary memory ordering. > > The user field can be accessed outside of the lock, > so it must handled as a C11 atomic variable. > The name is also changed from user to owner. > It will break if an application is accessing this field directly, > which should never happen. > > Fixes: af75078fece3 ("first public release") > Cc: [email protected] > > Signed-off-by: Thomas Monjalon <[email protected]>
Series applied, thanks. -- David Marchand
