search for: perfbook

Displaying 4 results from an estimated 4 matches for "perfbook".

2020 Jul 02
0
[PATCH 04/18] alpha: Override READ_ONCE() with barriered implementation
...ld it be Ok to keep this example in the kernel sources? I think it > serves as good documentation and highlights the issue in the Alpha > architecture well. I'd _really_ like to remove it, as I think it only serves to confuse people on a topic that is confusing enough already. Paul's perfbook [1] already has plenty of information about this, so I don't think we need to repeat that here. I could add a citation, perhaps? > > - * <programlisting> > > - * CPU 0 CPU 1 > > - * > > - * a = 2; > > - * memory_barrier(...
2020 Jul 10
24
[PATCH 00/18] Allow architectures to override __READ_ONCE()
Hi all, This is version three of the patches I previously posted here: v1: https://lore.kernel.org/lkml/20191108170120.22331-1-will at kernel.org/ v2: https://lore.kernel.org/r/20200630173734.14057-1-will at kernel.org Changes since v2 include: * Actually add the barrier in READ_ONCE() for Alpha! * Implement Alpha's smp_load_acquire() using __READ_ONCE(), rather than the other
2020 Jun 30
32
[PATCH 00/18] Allow architectures to override __READ_ONCE()
Hi everyone, This is the long-awaited version two of the patches I previously posted in November last year: https://lore.kernel.org/lkml/20191108170120.22331-1-will at kernel.org/ I ended up parking the series while the READ_ONCE() implementation was being overhauled, but with that merged during the recent merge window and LTO patches being posted again [1], it was time for a refresh. The
2020 Jun 30
32
[PATCH 00/18] Allow architectures to override __READ_ONCE()
Hi everyone, This is the long-awaited version two of the patches I previously posted in November last year: https://lore.kernel.org/lkml/20191108170120.22331-1-will at kernel.org/ I ended up parking the series while the READ_ONCE() implementation was being overhauled, but with that merged during the recent merge window and LTO patches being posted again [1], it was time for a refresh. The