linux-kernel - Re: Linux 5.4 kselftest known issues

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Message-ID: <2a835150-d7f1-1c4a-80cb-d385f799dd14@kernel.org>
Date:   Thu, 3 Oct 2019 08:30:55 -0600
From:   shuah <shuah@...nel.org>
To:     Shuah Khan <skhan@...uxfoundation.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christian Brauner <christian@...uner.io>, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        bgolaszewski@...libre.com, Daniel Borkmann <daniel@...earbox.net>,
        bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        shuah <shuah@...nel.org>
Subject: Re: Linux 5.4 kselftest known issues - update

On 9/26/19 11:41 AM, Shuah Khan wrote:
> Here are the know kselftest issues on Linux 5.4 with
> top commit commit 619e17cf75dd58905aa67ccd494a6ba5f19d6cc6
> on x86_64:
> 
> The goal is to get these addressed before 5.4 comes out.

All of these issues are now fixed, except the bpf llvm dependency.
These fixes should all be in linux-next if they haven't already.

> 
> 3 build failures and status:
> 
> pidfd - undefined reference to `pthread_create' collect2: error: ld 
> returned 1 exit status
> 
> Fixed: https://patchwork.kernel.org/patch/11159517/

In
> 
> bfp (two issues)
> 
> 1. "make TARGETS=bpf kselftest" build fails
> Makefile:127: tools/build/Makefile.include: No such file or directory

https://patchwork.kernel.org/patch/11163601/
In bpf fixes tree

> 
> This is due to recent kbuild changes and I have a patch ready to send.
> 
> 2. Related to llvm latest version dependency. This is a hard dependency.
> Unless users upgrade to latest llvvm, bpf test won't run. The new llvm
> might not be supported on all distros yet, in which case bpf will not
> get tested in some rings and on some architectures.
> 
> gpio
> 
> "make TARGETS=gpio kselftest" build fails
> 
> Makefile:23: tools/build/Makefile.include: No such file or directory

https://patchwork.kernel.org/patch/11163603/

> 
> This is due to recent kbuild changes and I have a patch ready to send.
> 
> kvm
> 
> "make TARGETS=kvm kselftest" build fails due --no-pie flags.

https://patchwork.kernel.org/patch/11171893/

I haven't found any new ones on x86_64 as of 5.4-rc1

thanks,
-- Shuah