netdev - Re: [RFC][PATCH] rcu: Use typeof(p) instead of typeof(*p) *

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Message-ID: <CAHk-=wg8duLUhR4duN2fNWRF73oGufZNMyvyF5Twp9FnqXmq+g@mail.gmail.com>
Date:   Tue, 5 Oct 2021 09:47:10 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Josh Triplett <josh@...htriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        David Miller <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>, rcu <rcu@...r.kernel.org>,
        NetFilter <netfilter-devel@...r.kernel.org>,
        coreteam@...filter.org, Netdev <netdev@...r.kernel.org>
Subject: Re: [RFC][PATCH] rcu: Use typeof(p) instead of typeof(*p) *

On Tue, Oct 5, 2021 at 9:37 AM Steven Rostedt <rostedt@...dmis.org> wrote:
>
> Oh well, it was a fun exercise. Too bad we failed due to inconsistencies in
> compilers :-(

I'm admittedly surprised that something like this would be a
"different compiler versions" issue. But "typeof()" isn't exactly
standard C, so the fact that some version of gcc did something
slightly different is annoying but I guess not _that_ surprising.

Oh well indeed,

           Linus