From: Scott Wood <scottwood@freescale.com>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: <trivial@kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-usb@vger.kernel.org>, Felipe Balbi <balbi@ti.com>
Subject: Re: [PATCH 18/22] usb: gadget: serial: %pF is only for function pointers
Date: Thu, 12 Mar 2015 11:43:43 -0500 [thread overview]
Message-ID: <1426178623.30327.120.camel@freescale.com> (raw)
In-Reply-To: <55018855.9090301@cogentembedded.com>
On Thu, 2015-03-12 at 15:36 +0300, Sergei Shtylyov wrote:
> Hello.
>
> On 3/12/2015 6:13 AM, Scott Wood wrote:
>
> > Use %pS for actual addresses, otherwise you'll get bad output
>
> %pS or %ps?
>
> > on arches like ppc64 where %pF expects a function descriptor.
>
> %pF or %pf? And what is a function descriptor?
%pS where %pF appeared, and %ps where %pf appeared (yes, I'll fix the
copy-and-paste commit message). A function descriptor is a data
structure used when a function pointer needs to contain more information
than the instruction pointer to branch to, such as a TOC pointer.
Example:
http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.html#FUNC-DES
-Scott
next prev parent reply other threads:[~2015-03-12 16:44 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 3:13 [PATCH 01/22] mm/memblock.c: %pF is only for function pointers Scott Wood
2015-03-12 3:13 ` [PATCH 02/22] netfilter: " Scott Wood
2015-03-12 3:13 ` [PATCH 03/22] sound: " Scott Wood
2015-03-12 3:13 ` [PATCH 04/22] md/bcache: " Scott Wood
2015-03-12 3:13 ` [PATCH 05/22] PM / AVS: SmartReflex: " Scott Wood
2015-03-12 18:09 ` Kevin Hilman
2015-03-12 18:14 ` Nishanth Menon
2015-03-12 18:16 ` Jiri Kosina
2015-03-12 3:13 ` [PATCH 06/22] random: " Scott Wood
2015-03-12 3:13 ` [PATCH 07/22] alpha: " Scott Wood
2015-03-12 3:13 ` [PATCH 08/22] ARM: " Scott Wood
2015-03-12 19:51 ` Russell King - ARM Linux
2015-03-12 3:13 ` [PATCH 09/22] blackfin: " Scott Wood
2015-03-12 3:13 ` [PATCH 10/22] microblaze: " Scott Wood
2015-03-12 3:13 ` [PATCH 11/22] powerpc/32: " Scott Wood
2015-03-12 3:13 ` [PATCH 12/22] sparc: " Scott Wood
2015-03-12 18:47 ` Sam Ravnborg
2015-03-12 18:49 ` Scott Wood
2015-03-12 18:54 ` Sam Ravnborg
2015-03-12 3:13 ` [PATCH 13/22] x86: " Scott Wood
2015-03-12 3:13 ` [PATCH 14/22] parisc: " Scott Wood
2015-03-12 12:11 ` James Bottomley
2015-03-12 14:43 ` John David Anglin
2015-03-12 16:14 ` Scott Wood
2015-03-12 18:04 ` James Bottomley
2015-03-12 19:48 ` Aaro Koskinen
2015-03-12 3:13 ` [PATCH 15/22] drm: " Scott Wood
2015-03-13 9:17 ` Daniel Vetter
2015-03-12 3:13 ` [PATCH 16/22] mfd: " Scott Wood
2015-03-12 9:03 ` Lee Jones
2015-03-12 3:13 ` [PATCH 17/22] esp_scsi: " Scott Wood
2015-03-12 11:23 ` Hannes Reinecke
2015-03-12 3:13 ` [PATCH 18/22] usb: gadget: serial: " Scott Wood
2015-03-12 4:45 ` Felipe Balbi
2015-03-12 5:27 ` Scott Wood
2015-03-12 15:38 ` Felipe Balbi
2015-03-12 12:36 ` Sergei Shtylyov
2015-03-12 16:43 ` Scott Wood [this message]
2015-03-12 15:51 ` Fabio Estevam
2015-03-12 16:40 ` Scott Wood
2015-03-12 16:43 ` Fabio Estevam
2015-03-12 3:13 ` [PATCH 19/22] jfs: " Scott Wood
2015-03-12 14:16 ` [Jfs-discussion] " Dave Kleikamp
2015-03-12 16:09 ` Scott Wood
2015-03-12 3:13 ` [PATCH 20/22] pstore: " Scott Wood
2015-06-16 22:02 ` Kees Cook
2015-06-16 22:37 ` Anton Vorontsov
2015-03-12 3:13 ` [PATCH 21/22] xfs: " Scott Wood
2015-08-31 8:06 ` Dave Chinner
2015-08-31 19:24 ` Scott Wood
2015-08-31 19:45 ` Steven Rostedt
2015-08-31 19:58 ` Scott Wood
2015-08-31 20:05 ` Steven Rostedt
2015-03-12 3:13 ` [PATCH 22/22] tracing: " Scott Wood
2015-03-12 20:23 ` Steven Rostedt
2015-03-12 20:25 ` Scott Wood
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