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docs: clarify the supported architectures (No MIPS)

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In reviewing PR 4024 ("libct/dmz: Reduce the binary size using nolibc"),
we noticed that we do not intend to actively support MIPS.

We do not intend to support i386 either.

This might be a breaking change for Debian, which has been officially
providing runc packages for `i386`, `mips64el` and `mipsel`:
https://packages.debian.org/bookworm/runc

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda
2023-09-27 03:43:49 +09:00
parent 1a8b5588a5
commit 9060666531
1 changed files with 17 additions and 2 deletions
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docs/spec-conformance.md
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@@ -7,8 +7,6 @@ The following features are not implemented yet:
Spec version | Feature | PR Spec version | Feature | PR
-------------|------------------------------------------|---------------------------------------------------------- -------------|------------------------------------------|----------------------------------------------------------
v1.0.0 | `SCMP_ARCH_PARISC` | Unplanned, due to lack of users
v1.0.0 | `SCMP_ARCH_PARISC64` | Unplanned, due to lack of users
v1.0.2 | `.linux.personality` | [#3126](https://github.com/opencontainers/runc/pull/3126) v1.0.2 | `.linux.personality` | [#3126](https://github.com/opencontainers/runc/pull/3126)
v1.1.0 | `SECCOMP_FILTER_FLAG_WAIT_KILLABLE_RECV` | [#3862](https://github.com/opencontainers/runc/pull/3862) v1.1.0 | `SECCOMP_FILTER_FLAG_WAIT_KILLABLE_RECV` | [#3862](https://github.com/opencontainers/runc/pull/3862)
v1.1.0 | time namespaces | [#3876](https://github.com/opencontainers/runc/pull/3876) v1.1.0 | time namespaces | [#3876](https://github.com/opencontainers/runc/pull/3876)
@@ -22,3 +20,20 @@ Spec version | Feature | Limitation
-------------|------------------------------------------|---------------------------------------------------------- -------------|------------------------------------------|----------------------------------------------------------
v1.1.0 | `.[]mounts.uidMappings` | Requires using UserNS with identical uidMappings v1.1.0 | `.[]mounts.uidMappings` | Requires using UserNS with identical uidMappings
v1.1.0 | `.[]mounts.gidMappings` | Requires using UserNS with identical gidMappings v1.1.0 | `.[]mounts.gidMappings` | Requires using UserNS with identical gidMappings
## Architectures
The following architectures are supported:
runc binary | seccomp
-------------|-------------------------------------------------------
`amd64` | `SCMP_ARCH_X86`, `SCMP_ARCH_X86_64`, `SCMP_ARCH_X32`
`arm64` | `SCMP_ARCH_ARM`, `SCMP_ARCH_AARCH64`
`armel` | `SCMP_ARCH_ARM`
`armhf` | `SCMP_ARCH_ARM`
`ppc64le` | `SCMP_ARCH_PPC64LE`
`riscv64` | `SCMP_ARCH_RISCV64`
`s390x` | `SCMP_ARCH_S390`, `SCMP_ARCH_S390X`
The runc binary might be compilable for i386, big-endian PPC64,
and several MIPS variants too, but these architectures are not officially supported.