On Mon, Oct 23, 2023 at 04:33:13PM +0000, Schaffner, Tobias wrote: > On 10.05.23 18:24, Jisheng Zhang wrote: > > This series is to add PREEMPT_RT support to riscv. Compared with last > > try[1], there are two major changes: > > > > 1. riscv has been converted to Generic Entry. And riscv uses > > asm-generic/preeempt.h, so we need to patch asm-generic's preeempt to > > enable lazy preempt support for riscv. This is what patch1 does. > > However, it duplicates the preempt_lazy_count() defintion, I'm sure > > there must be an elegant solution. Neverless, it doesn't impact the > > riscv PREEMPT_RT support itself. > > > > 2. three preparation patches(patch1/2/3 in [1]) has been merged in > > mainline. > > > > I back-ported the lastest linux-6.3.y-rt patches to the lastest Linus tree, > > then cook this series. > > > > Link: https://lore.kernel.org/linux-riscv/20220831175920.2806-1-jszhang@xxxxxxxxxx/ > > Any news on this series? Are there any open tasks blocking this? > I am willing to help, but do not see what's missing to get this merged. Hi Thomas, Sebastian could you please review? Any comments are appreciated. or do you want a rebase on linux-6.5.y-rt? Thanks > > > Jisheng Zhang (3): > > asm-generic/preempt: also check preempt_lazy_count for > > should_resched() etc. > > riscv: add lazy preempt support > > riscv: Allow to enable RT > > > > arch/riscv/Kconfig | 2 ++ > > arch/riscv/include/asm/thread_info.h | 5 ++++- > > arch/riscv/kernel/asm-offsets.c | 1 + > > include/asm-generic/preempt.h | 8 +++++++- > > 4 files changed, 14 insertions(+), 2 deletions(-) > > >
