search for: config_acquire_read_dependencies

Displaying 3 results from an estimated 3 matches for "config_acquire_read_dependencies".

2020 Jul 01
0
[PATCH 18/18] arm64: lto: Strengthen READ_ONCE() to acquire when CLANG_LTO=y
...thing to be worried > > about, but if we are worried about it, we need to be worried about it > > in *all* builds (LTO or not). My guess is that's not acceptable. Would > > it be better to just guard the promotion of READ_ONCE() to acquire > > behind a config option like CONFIG_ACQUIRE_READ_DEPENDENCIES, and then > > make LTO select that (or maybe leave it optional?). In future, for > > very aggressive non-LTO compilers even, one may then also select that > > if there is substantiated worry things do actually break. > > I agree, a separate config option would be better her...
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