RE: bit fields && data tearing

2014-09-08 Thread Marc Gauthier
Paul E. McKenney wrote: >On Fri, Sep 05, 2014 at 02:50:31PM -0400, Peter Hurley wrote: >>On 09/05/2014 02:09 PM, Paul E. McKenney wrote: >>> This commit documents the fact that it is not safe to use bitfields as >>> shared variables in synchronization algorithms. It also documents that >>> CPUs mu

RE: [LKML] Re: Build regressions/improvements in v3.6

2012-10-02 Thread Marc Gauthier
Geert Uytterhoeven wrote: > xtensa-allmodconfig (hmm, this is not a new one, it felt through the > cracks in -rc7 because of log line interleaving). > > Ugh, arch/xtensa/include/asm/regs.h defines way to generic symbols, > like "MISC" (which causes the above breakage), and even a few > 2-letter sy