[PATCH 0/5] context_tracking: Flatter archs not using exception_enter/exit() v3

From: Frederic Weisbecker <frederic@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	"Paul E . McKenney" <paulmck@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Phil Auld <pauld@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>
Subject: [PATCH 0/5] context_tracking: Flatter archs not using exception_enter/exit() v3
Date: Tue, 17 Nov 2020 16:16:32 +0100	[thread overview]
Message-ID: <20201117151637.259084-1-frederic@kernel.org> (raw)

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(-)