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

From: Alexei Starovoitov
Date: Tue Mar 20 2018 - 20:59:06 EST


On Wed, Mar 21, 2018 at 01:38:45AM +0100, Daniel Borkmann wrote:
> On 03/21/2018 01:36 AM, Linus Torvalds wrote:
> > On Tue, Mar 20, 2018 at 5:18 PM, Daniel Borkmann <daniel@xxxxxxxxxxxxx> 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.
>
> Yeah, that's fine, thanks for letting us know!

Applied to bpf tree, thanks everyone.