host: add support for linux/loong64

[abner-chenc]

Signed-off-by: Guoqi Chen chenguoqi@loongson.cn
Co-authored-by: Jiantao Shan shanjiantao@loongson.cn

[abner-chenc]

There is already a pull request for loong64 support, but it has been turned off. see #1080. by @merore

• loong64 GOARCH value reserved for LoongArch architecture: https://golang.org/doc/go1.17.
• golang issues: all: port to linux/loong64 golang/go#46229
• golang : https://github.com/loongson/go/tree/loong64-master
• LoongArch documents:https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
• OS: https://github.com/sunhaiyong1978/CLFS-for-LoongArch/releases/tag/2.3
• kernel: https://github.com/loongson/linux/tree/loongarch-next

go version && go test ./...

go version devel go1.18-9dfe8c02b8 Mon Jan 10 21:40:35 2022 +0800 linux/loong64
?       github.com/shirou/gopsutil/v3   [no test files]
ok      github.com/shirou/gopsutil/v3/cpu       0.160s
ok      github.com/shirou/gopsutil/v3/disk      0.010s
ok      github.com/shirou/gopsutil/v3/docker    0.025s
ok      github.com/shirou/gopsutil/v3/host      0.020s
ok      github.com/shirou/gopsutil/v3/internal/common   0.066s
ok      github.com/shirou/gopsutil/v3/load      0.021s
ok      github.com/shirou/gopsutil/v3/mem       0.013s
ok      github.com/shirou/gopsutil/v3/net       0.028s
ok      github.com/shirou/gopsutil/v3/process   2.532s

[shirou]

go1.19 which supports LoongArch 64-bit has been released. I will merge when 1.18 becomes EoL. Otherwise, test will fail.

[irwinsun]

go1.19 which supports LoongArch 64-bit has been released. I will merge when 1.18 becomes EoL. Otherwise, test will fail.

too long. . At least 7 months to wait until v1.20 release...

[yjagdale]

When we can expect this PR in the master?

[shirou]

Since go1.20 has been released, I merge this PR. Thank you for your contribution.