Re: [PATCH v2 6/7] Alpha: Add option to avoid data races for sub-longword memory stores [PR117759]

2025-01-06 Thread Paul E. McKenney
On Mon, Jan 06, 2025 at 05:12:57PM -0700, Jeff Law wrote: > > > On 1/6/25 6:03 AM, Maciej W. Rozycki wrote: > > With non-BWX Alpha implementations we have a problem of data races where > > a 8-bit byte or 16-bit word quantity is to be written to memory in that > > in those cases we use an unprote

Re: [PATCH] Adding _Dependent_ptr type qualifier in C part 1/3

2019-08-16 Thread Paul E. McKenney
Sun, Aug 04, 2019 at 04:11:12PM -0700, Paul E. McKenney wrote: > Good points! > > On the type-qualifier interactions, here is an initial list. Thoughts? > > Thanx, Paul > > _Alignas: Dependency-breaking optimizations woul

Re: [PATCH] Adding _Dependent_ptr type qualifier in C part 1/3

2019-08-04 Thread Paul E. McKenney
Good points! On the type-qualifier interactions, here is an initial list. Thoughts? Thanx, Paul _Alignas: Dependency-breaking optimizations would be avoided, and the variable would be aligned as specified. _Atomic: Dependency-breaking opt