2012/12/10 Paul E. McKenney <paul...@linux.vnet.ibm.com>: > On Sat, Dec 08, 2012 at 03:37:57PM +0100, Ingo Molnar wrote: >> >> * Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote: >> >> > Hello, Ingo, >> > >> > Could you please pull one more commit? This is an update to Frederic >> > Weisbecker's context-tracking subsystem that is another stepping stone >> > towards adaptive-idle and tickless userspace execution. This has been >> > subjected to -next testing. It does give two checkpatch.pl errors, >> > but these are on cpp macro definitions used within assembly code -- and >> > following checkpatch.pl's suggestions would result in assembler errors. >> > (I have reported this to Andy Whitcroft, checkpatch.pl's maintainer.) >> > >> > These changes are available in the git repository at: >> > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git >> > rcu/next >> > >> > Thanx, Paul >> > >> > ----------------> >> > Frederic Weisbecker (1): >> > context_tracking: New context tracking susbsystem >> > >> > arch/Kconfig | 15 ++-- >> > arch/x86/Kconfig | 2 +- >> > arch/x86/include/asm/{rcu.h => context_tracking.h} | 15 ++-- >> > arch/x86/kernel/entry_64.S | 2 +- >> > arch/x86/kernel/ptrace.c | 8 +- >> > arch/x86/kernel/signal.c | 5 +- >> > arch/x86/kernel/traps.c | 2 +- >> > arch/x86/mm/fault.c | 2 +- >> > include/linux/context_tracking.h | 18 ++++ >> > include/linux/rcupdate.h | 2 - >> > init/Kconfig | 28 ++++---- >> > kernel/Makefile | 1 + >> > kernel/context_tracking.c | 83 >> > ++++++++++++++++++++ >> > kernel/rcutree.c | 64 +--------------- >> > kernel/sched/core.c | 11 ++- >> > 15 files changed, 150 insertions(+), 108 deletions(-) >> > rename arch/x86/include/asm/{rcu.h => context_tracking.h} (63%) >> > create mode 100644 include/linux/context_tracking.h >> > create mode 100644 kernel/context_tracking.c >> >> Pulled it and pushed it out earlier this week. >> >> One issue I wanted to raise on a bit wider forum was the >> introduction of the (small) kernel/context_tracking.c subsystem. >> >> It makes sense to me, but I've Cc:-ed Linus and Andrew, in case >> they have a different opinion. > > And it does appear that Frederic and I have a bit more explaining to do. ;-)
Right :-) Andrew strongly suggested us to give some more description of that thing and the role and semantics of the new APIs. I indeed overlooked that part. I'll send a patch soon. -- 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/