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SubjectRe: problems with splice from /proc (was Linux 5.10-rc1)
On Tue, Oct 27, 2020 at 09:14:20AM +0100, Greg KH wrote:
> On Tue, Oct 27, 2020 at 08:07:45AM +0000, Christoph Hellwig wrote:
> > On Tue, Oct 27, 2020 at 08:55:41AM +0100, Greg KH wrote:
> > > This is just a test, part of the bionic test suite to verify that bionic
> > > is working properly, and is run on new kernels as a verification that
> > > nothing functional broke in the kernel update.
> > >
> > > I don't know about "real applications" yet.
> > >
> > > Do you have to implement this on a per-proc-file-basis, or will it work
> > > for the whole filesystem?
> > >
> > > And are the patches public anywhere that I could test them out?
> >
> > This all branch has the last posted version:
> >
> > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/set_fs-rw.2
> >
> > with tthe proc:, sysctl: and seq_file: patches related to it. It did
> > switch over all seq_file instances, but non-seq_file instances and write
> > operations will need manual per-instance work.
>
> Luckily /proc/cpuinfo seems to use the seq_file interface, so this
> series would work for that.
>
> What's the odds of this series getting into 5.10-final? I'll go run it
> through the Android build system right now to see if it fixes the issue
> or not...

Ok, I couldn't get a clean merge of that old branch on top of your
5.10-rc1 tree, so I can't give it a run-through. If you have an updated
series you want me to test, I'll be glad to do so.

thanks,

greg k-h

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