On Tue, Jun 06, 2023 at 11:42:51AM +0200, Peter Zijlstra wrote: > [...] > #define scoped_guard(_guard, _var...) \ > for (__ptr_guard(_guard, scope) = guard_init(_guard, _var), \ > *done = NULL; !done; done = (void *)1) nit: Linus's example was "(void *)8" (instead of 1) because we've had issues in the past with alignment warnings on archs that are sensitive to it. (e.g. see the __is_constexpr() macro which is doing NULL/!NULL comparisons.) -- Kees Cook
