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From: Ard Biesheuvel <ardb@kernel.org>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Kees Cook <keescook@chromium.org>,
	James Morse <james.morse@arm.com>,
	David Laight <David.Laight@aculab.com>,
	Sami Tolvanen <samitolvanen@google.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Andy Lutomirski <luto@kernel.org>,
	Quentin Perret <qperret@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Subject: Re: [GIT PULL] arm64: Support dynamic preemption v3
Date: Mon, 20 Dec 2021 15:03:36 +0100	[thread overview]
Message-ID: <CAMj1kXEBWJVGtRVKRkxeJc5bj4Cbb9oA_67PyJDYhTwiaHc7jA@mail.gmail.com> (raw)
In-Reply-To: <20211220140142.922323-1-frederic@kernel.org>

Hello Frederic,

On Mon, 20 Dec 2021 at 15:01, Frederic Weisbecker <frederic@kernel.org> wrote:
>
> Hi,
>
> I haven't seen much comments on the static key based version from Mark
> so I don't know which direction we'll eventually take. I still hope we
> can focus on a unified static call based implementation, considering
> there are other users waiting on arm64 static calls.
>

Which other users are you referring to here?

> So here is a rebase against the latest tip:sched/core and arm64 static
> call proposal.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
>         preempt/arm-v4
>
> HEAD: 6fc1c7e3d83c4e06b019b041894d9bb25f37ac6c
>
> Thanks,
>         Frederic
> ---
>
> Frederic Weisbecker (3):
>       sched/preempt: Prepare for supporting !CONFIG_GENERIC_ENTRY dynamic preemption
>       arm64: Implement IRQ exit preemption static call for dynamic preemption
>       arm64: Implement HAVE_PREEMPT_DYNAMIC
>
> Ard Biesheuvel (2):
>       static_call: Use non-function types to refer to the trampolines
>       arm64: implement support for static call trampolines
>
>
>  arch/Kconfig                         |  1 -
>  arch/arm64/Kconfig                   |  3 ++
>  arch/arm64/include/asm/preempt.h     | 23 ++++++++++-
>  arch/arm64/include/asm/static_call.h | 40 +++++++++++++++++++
>  arch/arm64/kernel/entry-common.c     | 15 +++++--
>  arch/arm64/kernel/patching.c         | 77 ++++++++++++++++++++++++++++++++++--
>  arch/arm64/kernel/vmlinux.lds.S      |  1 +
>  include/linux/entry-common.h         |  3 +-
>  include/linux/static_call.h          |  4 +-
>  include/linux/static_call_types.h    | 11 ++++--
>  kernel/sched/core.c                  |  6 ++-
>  11 files changed, 168 insertions(+), 16 deletions(-)

  parent reply	other threads:[~2021-12-20 14:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20 14:01 [GIT PULL] arm64: Support dynamic preemption v3 Frederic Weisbecker
2021-12-20 14:01 ` [PATCH 1/5] static_call: Use non-function types to refer to the trampolines Frederic Weisbecker
2021-12-20 14:01 ` [PATCH 2/5] arm64: implement support for static call trampolines Frederic Weisbecker
2021-12-20 14:01 ` [PATCH 3/5] sched/preempt: Prepare for supporting !CONFIG_GENERIC_ENTRY dynamic preemption Frederic Weisbecker
2021-12-20 14:01 ` [PATCH 4/5] arm64: Implement IRQ exit preemption static call for " Frederic Weisbecker
2021-12-20 14:01 ` [PATCH 5/5] arm64: Implement HAVE_PREEMPT_DYNAMIC Frederic Weisbecker
2021-12-20 14:03 ` Ard Biesheuvel [this message]
2021-12-20 14:07   ` [GIT PULL] arm64: Support dynamic preemption v3 Frederic Weisbecker
2021-12-20 14:04 ` Frederic Weisbecker
2022-01-04 17:08 ` Mark Rutland

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