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

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Message-ID: <20170920163117.GA502@tigerII.localdomain>
Date:   Thu, 21 Sep 2017 01:31:17 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Helge Deller <deller@....de>,
        David Laight <David.Laight@...LAB.COM>
Cc:     'Sergey Senozhatsky' <sergey.senozhatsky.work@...il.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        Petr Mladek <pmladek@...e.com>, Jessica Yu <jeyu@...nel.org>,
        "James E . J . Bottomley" <jejb@...isc-linux.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Paul Mackerras <paulus@...ba.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/5] [RFC] printk/ia64/ppc64/parisc64: let's deprecate
 %pF/%pf printk specifiers

On (09/20/17 12:20), Helge Deller wrote:
[..]
> > I've not looked at the specifics case...
> > 
> > Another option is using a struct with a single member and
> > passing it by value.
> 
> Actually, we do already have correct structs which could be referenced:
> parisc: struct Elf64_Fdesc
> ia64:	struct fdesc
> ppc64:	struct ppc64_opd_entry
> 
> One could "#define platform_opd_entry" to each of those depending on the platform and use it.
> It might be misleading though, because the pointer which is handed over to
> dereference_function_descriptor() can be such a pointer but isn't necessary.
> I'll leave it up to Sergey to decide.

Hello,

I think I'll keep 'unsigned long' for now.

	-ss