linux-kernel - Re: [PATCH 0/5] [RFC] printk/ia64/ppc64/parisc64: let's deprecate %pF/%pf printk specifiers

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Date:   Tue, 19 Sep 2017 11:08:13 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        "James E . J . Bottomley" <jejb@...isc-linux.org>,
        Helge Deller <deller@....de>, Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jessica Yu <jeyu@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-ia64@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] [RFC] printk/ia64/ppc64/parisc64: let's deprecate
 %pF/%pf printk specifiers

On (09/18/17 10:44), Luck, Tony wrote:
[..]
> 
> A few new warnings when building on ia64:
> 
> arch/ia64/kernel/module.c:931: warning: passing argument 1 of 'dereference_function_descriptor' makes pointer from integer without a cast
> arch/ia64/kernel/module.c:931: warning: return makes integer from pointer without a cast
> kernel/kallsyms.c:325: warning: assignment makes integer from pointer without a cast
> kernel/kallsyms.c:325: warning: passing argument 1 of 'dereference_kernel_function_descriptor' makes pointer from integer without a cast

got it, will address in v2.

[..]
> Which looks like what you wanted. People unaware of the vagaries
> of ppc64/ia64/parisc64 can use the wrong %p[SF] variant, but still
> get the right output.

thanks!

	-ss