Messages in this thread |  | | From | Guo Ren <> | Date | Thu, 5 May 2022 11:30:09 +0800 | Subject | Re: [PATCH v4 1/7] asm-generic: ticket-lock: New generic ticket-based spinlock |
| |
Reviewed-by: Guo Ren <guoren@kernel.org>
On Wed, May 4, 2022 at 7:57 PM Heiko Stübner <heiko@sntech.de> wrote: > > Am Samstag, 30. April 2022, 17:36:20 CEST schrieb Palmer Dabbelt: > > From: Peter Zijlstra <peterz@infradead.org> > > > > This is a simple, fair spinlock. Specifically it doesn't have all the > > subtle memory model dependencies that qspinlock has, which makes it more > > suitable for simple systems as it is more likely to be correct. It is > > implemented entirely in terms of standard atomics and thus works fine > > without any arch-specific code. > > > > This replaces the existing asm-generic/spinlock.h, which just errored > > out on SMP systems. > > > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > > Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> > > on riscv64+riscv32 qemu, beaglev and d1-nezha > > Tested-by: Heiko Stuebner <heiko@sntech.de> > >
-- Best Regards Guo Ren
ML: https://lore.kernel.org/linux-csky/
|  |