Messages in this thread |  | | Date | Sat, 30 Apr 2022 06:22:32 -0700 (PDT) | Subject | Re: [PATCH V9 16/24] LoongArch: Add misc common routines | From | Palmer Dabbelt <> |
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On Sat, 30 Apr 2022 03:41:59 PDT (-0700), Arnd Bergmann wrote: > On Sat, Apr 30, 2022 at 12:00 PM Huacai Chen <chenhuacai@gmail.com> wrote: >> >> On Sat, Apr 30, 2022 at 5:50 PM Arnd Bergmann <arnd@arndb.de> wrote: >> > >> > On Sat, Apr 30, 2022 at 11:05 AM Huacai Chen <chenhuacai@loongson.cn> wrote: >> > >> > > +unsigned long __xchg_small(volatile void *ptr, unsigned long val, unsigned int size) >> > > +{ >> > > + u32 old32, mask, temp; >> > > + volatile u32 *ptr32; >> > > + unsigned int shift; >> > > + >> > > + /* Check that ptr is naturally aligned */ >> > >> > As discussed, please remove this function and all the references to it. >> >> It seems that "generic ticket spinlock" hasn't been merged in 5.18? > > No, but we can merge it together with the loongarch architecture for 5.19. > > I suggested you coordinate with Guo Ren and Palmer Dabbelt about how > to best merge it. The latest version was pasted two weeks ago [1], and > it sounds like there are only minor issues to work out and that I can merge > v4 into the asm-generic tree before merging the loongarch code in the > same place. > > Arnd > > [1] https://lore.kernel.org/lkml/20220414220214.24556-1-palmer@rivosinc.com/
I can just send another version, IIRC it was just that discussion about the memory barrier and there's already prototype code so it shouldn't be too bad. I was hoping to do it sooner, sorry.
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