FYI, we really should kill ARCH_SG_CHAIN in its current form. See my series here, which could use a review or two:
https://lkml.org/lkml/2018/11/9/958
- [PATCH 2/7] doc: Indicate that s390 supports KASAN Palmer Dabbelt
- [PATCH 5/7] doc: Indicate that arm64 support queued-spin... Palmer Dabbelt
- [PATCH 7/7] doc: Indicate that RISC-V support pte_specia... Palmer Dabbelt
- [PATCH 6/7] doc: Indicate that parisc supports kprobes-e... Palmer Dabbelt
- [PATCH 3/7] doc: Indicate that powerpc supports stackpro... Palmer Dabbelt
- [PATCH 1/7] doc: features-refresh.sh for csky Palmer Dabbelt
- [PATCH 4/7] doc: Indicate that xtensa supports sg-chain Palmer Dabbelt
- [PATCH] Documentation/features: Refresh the features lis... Ingo Molnar
- Re: [PATCH] Documentation/features: Refresh the fea... Palmer Dabbelt
- Re: Re-run features-refresh.sh Christoph Hellwig
