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 must provide

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

2012-10-02 Thread Marc Gauthier
Geert Uytterhoeven ge...@linux-m68k.org 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