Reviewed-by: Guo Ren <guoren@xxxxxxxxxx> On Wed, May 4, 2022 at 7:57 PM Heiko Stübner <heiko@xxxxxxxxx> wrote: > > Am Samstag, 30. April 2022, 17:36:20 CEST schrieb Palmer Dabbelt: > > From: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > > > > 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@xxxxxxxxxxxxx> > > Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> > > on riscv64+riscv32 qemu, beaglev and d1-nezha > > Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> > > -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/
