linux-kernel - Re: linux-next: Tree for December 31 (kgdb)

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Date:	Fri, 01 Jan 2010 23:35:04 -0600
From:	Jason Wessel <jason.wessel@...driver.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	kgdb-bugreport@...ts.sourceforge.net
Subject: Re: linux-next: Tree for December 31 (kgdb)

Randy Dunlap wrote:
> On Thu, 31 Dec 2009 11:23:14 +1100 Stephen Rothwell wrote:
>
>   
>> Hi all,
>>
>> This one has also not had the build testing *between* merges, but has had
>> all the normal build testing at the end.There may be more unbisectable
>> points in the tree then usual.
>>
>> Changes since 20091230:
>>
>> My fixes tree is again empty with the equivalent of its patch being added
>> to Linus' tree.
>>     
>
>
> when CONFIG_PROC_FS is not enabled:
>
> kernel/built-in.o: In function `kdb_summary':
> kdb_main.c:(.text+0x6a413): undefined reference to `_meminfo_proc_show'
>
>
>   

Fixed.

> when CONFIG_KGDB_KDB is not enabled:
>
> kernel/built-in.o: In function `kdb_dmesg':
> kdb_main.c:(.text+0x6b5c4): undefined reference to `kdb_syslog_data'
>
>   

When CONFIG_KGDB_KDB is not set, it is not possible to compile
kdb_main.c.  This one was actually due to compiling a kernel with
CONFIG_PRINTK=n and CONFIG_KGDB_KDB=y.

It is fixed.

> when CONFIG_KDB_KEYBOARD is not enabled:
>
> drivers/built-in.o: In function `cleanup_kgdboc':
> kgdboc.c:(.text+0x1ee2df): undefined reference to `kdb_get_kbd_char'
> drivers/built-in.o: In function `configure_kgdboc':
> kgdboc.c:(.text+0x1ee463): undefined reference to `kdb_get_kbd_char'
>
>
>   
If CONFIG_KDB_KEYBOARD is not enabled there is no way to get these
functions.  This one was actually due to compiling CONFIG_KDB_KEYBOARD=y
and CONFIG_VT_CONSOLE=n.

It is fixed as well.

The changes are folded into the 2 offending patches in the kdb patches
in the kgdb-next branch for proper bisecting patches.

Thanks for the report.

Jason.
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