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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 08:25:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 08:25:00 -0700
commitac435075892e3e651c667b4a9f2267cf3ef1d5a2 (patch)
treeff45694dd545392cc6553af1219b2bd840974307 /MAINTAINERS
parent9f51ae62c84a23ade0ba86457d30a30c9db0c50f (diff)
parent2347e7e1aea410865e3c3f92014b07ff7d4c5b02 (diff)
Merge tag 'csky-for-linus-4.20' of https://github.com/c-sky/csky-linux
Pull C-SKY architecture port from Guo Ren: "This contains the Linux port for C-SKY(csky) based on linux-4.19 Release, which has been through 10 rounds of review on mailing list. More information: http://en.c-sky.com The development repo: https://github.com/c-sky/csky-linux ABI Documentation: https://github.com/c-sky/csky-doc Here is the pre-built cross compiler for fast test from our CI: https://gitlab.com/c-sky/buildroot/-/jobs/101608095/artifacts/file/output/images/csky_toolchain_qemu_csky_ck807f_4.18_glibc_defconfig_482b221e52908be1c9b2ccb444255e1562bb7025.tar.xz We use buildroot as our CI-test enviornment. "LTP, Lmbench ..." will be tested for every commit. See here for more details: https://gitlab.com/c-sky/buildroot/pipelines We'll continouslly improve csky subsystem in future" Arnd acks, and adds the following notes: "I did a thorough review of the ABI, which as usual mainly consists of spotting any files that don't use the asm-generic ABI itself, and having it changed to it matches exactly what we do on other new architectures. I also looked at every other patch and commented on maybe half of them where I saw something that did not quite seem right. Others have reviewed specific patches in greater depth. I'm sure that one could fine more of the minor details, but as long as they are not ABI relevant, they can be fixed later. The only patch that is part of the ABI and that nobody reviewed is the signal handling. This is one of the areas I never worked on in much detail. I did not see anything wrong with it, but I also don't know what the problems with the other architectures are here, and we seem to be hitting issues occasionally, and we never managed to generalize this enough for new architectures to have a trivial implementation. I was originally hoping that we could have the 64-bit time_t interfaces ready in time to completely drop the 32-bit ones, but that did not happen. We might still remove them in the next merge window depending on whether the libc upstream people prefer to keep them or not. One more general comment: I think this may well be the last new CPU architecture we ever add to the kernel. Both nds32 and c-sky are made by companies that also work on risc-v, and generally speaking risc-v seems to be killing off any of the minor licensable instruction set projects, just like ARM has mostly killed off the custom vendor-specific instruction sets already. If we add another architecture in the future, it may instead be something like the LLVM bitcode or WebAssembly, who knows?" To which Geert Uytterhoeven pipes in about another architecture still in the pipeline: Kalray MPPA. * tag 'csky-for-linus-4.20' of https://github.com/c-sky/csky-linux: (24 commits) dt-bindings: interrupt-controller: C-SKY APB intc irqchip: add C-SKY APB bus interrupt controller dt-bindings: interrupt-controller: C-SKY SMP intc irqchip: add C-SKY SMP interrupt controller MAINTAINERS: Add csky dt-bindings: Add vendor prefix for csky dt-bindings: csky CPU Bindings csky: Misc headers csky: SMP support csky: Debug and Ptrace GDB csky: User access csky: Library functions csky: ELF and module probe csky: Atomic operations csky: IRQ handling csky: VDSO and rt_sigreturn csky: Process management and Signal csky: MMU and page table management csky: Cache and TLB routines csky: System Call ...
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diff --git a/MAINTAINERS b/MAINTAINERS
index 6c7ed26e84fa..11b7d81f883a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3229,6 +3229,15 @@ T: git git://git.alsa-project.org/alsa-kernel.git
S: Maintained
F: sound/pci/oxygen/
+C-SKY ARCHITECTURE
+M: Guo Ren <ren_guo@c-sky.com>
+T: git https://github.com/c-sky/csky-linux.git
+S: Supported
+F: arch/csky/
+F: Documentation/devicetree/bindings/csky/
+K: csky
+N: csky
+
C6X ARCHITECTURE
M: Mark Salter <msalter@redhat.com>
M: Aurelien Jacquiot <jacquiot.aurelien@gmail.com>