From: Stefani Seibold <stefani@seibold.net>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: akpm@linux-foundation.org, m.s.tsirkin@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] proc: fix ->stack_start in compat mode
Date: Sun, 01 Nov 2009 16:06:46 +0100 [thread overview]
Message-ID: <1257088006.9292.5.camel@wall-e> (raw)
In-Reply-To: <20091101124301.GA16100@x200>
Am Sonntag, den 01.11.2009, 15:43 +0300 schrieb Alexey Dobriyan:
> > > Stefani, I get "Stack usage: 0 kB", you may want to look at it.
> > >
> >
> > Under which circumstance do you get 0 kb reported? What is your system
> > (mmu/nommu, 32bit/64bit, architecture and so on).
>
> Well, no wonder it doesn't work:
>
> #define KSTK_ESP(tsk) -1 /* sorry. doesn't work for syscall. */
>
> How does it supposed to work on live task?
Okay, you are right. That's really strange. I just build a 64 bit kernel
i will try to fix this odd behavior. This is a break in the kernel API.
KSTP_ESP should return the value of the kernel stack and not a -1. Sh..
prev parent reply other threads:[~2009-11-01 15:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-28 11:56 [PATCH] proc: fix ->stack_start in compat mode Alexey Dobriyan
2009-11-01 9:54 ` Stefani Seibold
2009-11-01 10:21 ` Alexey Dobriyan
2009-11-01 12:43 ` Alexey Dobriyan
2009-11-01 14:42 ` Stefani Seibold
2009-11-01 15:06 ` Stefani Seibold [this message]
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