linux-kernel - Re: [PATCH] kbuild: disable clang's default use of -fmerge-all-constants

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Date:   Tue, 20 Mar 2018 17:36:51 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Alexei Starovoitov <ast@...nel.org>, psodagud@...eaurora.org,
        Network Development <netdev@...r.kernel.org>,
        Chenbo Feng <fengc@...gle.com>,
        Richard Smith <richard-llvm@...afoo.co.uk>,
        Chandler Carruth <chandlerc@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: disable clang's default use of -fmerge-all-constants

On Tue, Mar 20, 2018 at 5:18 PM, Daniel Borkmann <daniel@...earbox.net> wrote:
> Prasad reported that he has seen crashes in BPF subsystem with netd
> on Android with arm64 in the form of (note, the taint is unrelated):

Ack. This looks good to me. And thanks for noticing the behavior wrt
the correct gcc merging.

>  [ Hi Linus, feel free to take this fix directly if you want.
>    Alternatively, we could route it via bpf tree. Thanks a
>    lot for your feedback! ]

So since it's your patch and the only known issue comes from the bpf
side, I think it should just go through the bpf tree, and I expect it
to get to me through all the usual channels.

Thanks,

                Linus