Re: [PATCH] docs: explain effect of smp_read_barrier_depends() on modern architectures

2023-04-07 Thread Stefan Hajnoczi
On Fri, Apr 7, 2023, 09:41 Paolo Bonzini wrote: > The documentation for smp_read_barrier_depends() does not mention the > architectures > for which it is an optimization, for example ARM and PPC. As a result, it > is not > clear to the reader why one would use it. Relegate Alpha to a footnote >

Re: [PATCH] docs: explain effect of smp_read_barrier_depends() on modern architectures

2023-04-07 Thread Peter Maydell
On Fri, 7 Apr 2023 at 14:41, Paolo Bonzini wrote: > > The documentation for smp_read_barrier_depends() does not mention the > architectures > for which it is an optimization, for example ARM and PPC. As a result, it is > not > clear to the reader why one would use it. Relegate Alpha to a footn

[PATCH] docs: explain effect of smp_read_barrier_depends() on modern architectures

2023-04-07 Thread Paolo Bonzini
The documentation for smp_read_barrier_depends() does not mention the architectures for which it is an optimization, for example ARM and PPC. As a result, it is not clear to the reader why one would use it. Relegate Alpha to a footnote together with other architectures where it is equivalent to