From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>,
Ard Biesheuvel <ardb@kernel.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 15:04:12 +0100 [thread overview]
Message-ID: <20211220140412.GA918551@lothringen> (raw)
In-Reply-To: <20211220140142.922323-1-frederic@kernel.org>
(It's not a pull request actually, just an update).
Thanks.
On Mon, Dec 20, 2021 at 03:01:37PM +0100, Frederic Weisbecker 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.
>
> 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(-)
next prev parent reply other threads:[~2021-12-20 14:04 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 ` [GIT PULL] arm64: Support dynamic preemption v3 Ard Biesheuvel
2021-12-20 14:07 ` Frederic Weisbecker
2021-12-20 14:04 ` Frederic Weisbecker [this message]
2022-01-04 17:08 ` Mark Rutland
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