Messages in this thread | | | Date | Mon, 20 Dec 2021 15:04:12 +0100 | From | Frederic Weisbecker <> | Subject | Re: [GIT PULL] arm64: Support dynamic preemption v3 |
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(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(-)
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