On Thu, May 14, 2015 at 12:40:59PM +0200, Ingo Molnar wrote: > > * Milos Vyletel <mi...@redhat.com> wrote: > > > Use new read/write locks when accesing buildid directory on places where > > we may race if multiple instances are run simultaneously. > > Dunno, this will create locking interaction between multiple instances > of perf - hanging each other, etc. > > And it seems unnecessary: the buildid hierarchy is already spread out. > What kind of races might there be?
there was just recently one fixed by commit: 0635b0f71424 perf tools: Fix race in build_id_cache__add_s() havent checked the final patch yet, but the idea is to protect us from similar bugs jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
