linux-kernel - Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]

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Message-ID: <CAHk-=wga0MPEH5hsesi4Cy+fgaaKENMYpbg2kK8UA0qE3iupgw@mail.gmail.com>
Date:   Fri, 6 Dec 2019 14:14:45 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Johannes Hirte <johannes.hirte@...enkhaos.de>
Cc:     David Howells <dhowells@...hat.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>, raven@...maw.net,
        Christian Brauner <christian@...uner.io>,
        keyrings@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-block <linux-block@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring,
 not cursor and length [ver #2]

On Fri, Dec 6, 2019 at 1:47 PM Johannes Hirte
<johannes.hirte@...enkhaos.de> wrote:
>
> This change breaks firefox on my system. I've noticed that some pages
> doesn't load correctly anymore (e.g. facebook, spiegel.de). The pages
> start loading and than stop. Looks like firefox is waiting for some
> dynamic loading content. I've bisected to this commit, but can't revert
> because of conflicts.

Can you check the current git tree, and see if we've fixed it for you.
There are several fixes there, one being the (currently) topmost
commit 76f6777c9cc0 ("pipe: Fix iteration end check in
fuse_dev_splice_write()").

I _just_ pushed out that one, so check that you get it - it sometimes
takes a couple of minutes for the public-facing git servers to mirror
out. I doubt that's the one that would fix firefox, but still..

               Linus