From: Ingo Molnar <mingo@elte•hu>
To: Milton Miller <miltonm@bga•com>
Cc: Ingo Molnar <mingo@redhat•com>,
Rusty Russell <rusty@rustcorp•com.au>,
linuxppc-dev@ozlabs•org, linux-kernel@vger•kernel.org,
linux-next@vger•kernel.org,
Stephen Rothwell <sfr@canb•auug.org.au>,
Andrew Morton <akpm@linux-foundation•org>
Subject: Re: [PATCH -next-20080709] fixup stop_machine use cpu mask vs ftrace
Date: Fri, 11 Jul 2008 09:46:03 +0200 [thread overview]
Message-ID: <20080711074602.GB27849@elte.hu> (raw)
In-Reply-To: <for-27-patch0-1@bga.com>
* Milton Miller <miltonm@bga•com> wrote:
> Hi Rusty, Ingo.
>
> Rusty's patch [PATCH 3/3] stop_machine: use cpu mask rather than magic
> numbers didn't find kernel/trace/ftrace.c in -next, causing an
> immediate almost NULL pointer dereference in ftrace_dynamic_init.
Rusty - what's going on here? Please do not change APIs like that, which
cause code to crash. Either do a compatible API change, or change it
over in a way that causes clear build failures, not crashes.
Ingo
next prev parent reply other threads:[~2008-07-11 7:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200807081750.55536.rusty@rustcorp.com.au>
[not found] ` <200807081756.02838.rusty@rustcorp.com.au>
[not found] ` <200807081756.47140.rusty@rustcorp.com.au>
[not found] ` <200807081801.38026.rusty@rustcorp.com.au>
2008-07-10 21:07 ` [PATCH -next-20080709] fixup stop_machine use cpu mask vs ftrace Milton Miller
2008-07-11 6:43 ` Rusty Russell
2008-07-11 7:46 ` Ingo Molnar [this message]
2008-07-11 8:55 ` Ingo Molnar
2008-07-11 12:34 ` Rusty Russell
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