In this new version, I fixed the changelogs according to peterz's review. Especially on the 2nd patch where I added lots of details to better understand what exception_enter/exit() do and what is required to get rid of it.
Also rebased against -rc4. git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git core/isolation-v3 HEAD: b358a96584150feacc20d7d10410fd1b7c7c19fe Thanks, Frederic --- Frederic Weisbecker (5): context_tracking: Introduce HAVE_CONTEXT_TRACKING_OFFSTACK context_tracking: Don't implement exception_enter/exit() on CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK sched: Detect call to schedule from critical entry code context_tracking: Only define schedule_user() on !HAVE_CONTEXT_TRACKING_OFFSTACK archs x86: Support HAVE_CONTEXT_TRACKING_OFFSTACK arch/Kconfig | 17 +++++++++++++++++ arch/x86/Kconfig | 1 + include/linux/context_tracking.h | 6 ++++-- kernel/sched/core.c | 3 ++- 4 files changed, 24 insertions(+), 3 deletions(-)