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posborne opened this issue Apr 8, 2015 · 1 comment
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cpuset_attribs not defined for ARM Linux #95

posborne opened this issue Apr 8, 2015 · 1 comment

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@posborne
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posborne commented Apr 8, 2015

No cpuset_attributes are defined for arch "arm" and os "linux". This results in compilation errors when cross-compiling for triples like "arm-unknown-linux-gnueabihf" used by boards like the raspberry pi and beaglebone black.

I copied the cpuset_attribs from android and these worked for my use case.

   Compiling nix v0.3.3
.../nix-0.3.3/src/sched.rs:94:25: 94:52 error: failed to resolve. Use of undeclared type or module `cpuset_attribs`
.../nix-0.3.3/src/sched.rs:94     cpu_mask: [CpuMask; cpuset_attribs::CPU_SETSIZE/cpuset_attribs::CPU_MASK_BITS]
@carllerche
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There isn't that great ARM support right now, mostly because it isn't hooked into CI. If you have a PR adding cpuset_attribs for ARM linux, I will pull it in. In the mean time, I opened up an issue for improving ARM support: #97.

posborne added a commit to posborne/nix-rust that referenced this issue Apr 21, 2015
@posborne
sched: add support for arm linux using same cpuset_attribs as android
60c8a0b 
The limit of 32 cores may not actually be a limit with arm-linux, but
I am not aware of anything in excess of 32 processors out there currently
and this is what I have been running for awhile now on a beaglebone
black (`--target=arm-unknown-linux-gnueabihf`).

This change addresses nix-rust#95 and relates to nix-rust#97.
@posborne posborne mentioned this issue Apr 21, 2015
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carllerche pushed a commit that referenced this issue Apr 24, 2015
@posborne @carllerche
sched: add support for arm linux using same cpuset_attribs as android
bc84ac1 
The limit of 32 cores may not actually be a limit with arm-linux, but
I am not aware of anything in excess of 32 processors out there currently
and this is what I have been running for awhile now on a beaglebone
black (`--target=arm-unknown-linux-gnueabihf`).

This change addresses #95 and relates to #97.
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@carllerche @posborne