From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] switch_stack position
Date: Thu, 14 Dec 2000 07:40:47 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678205841@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678205821@msgid-missing>
>>>>> On Thu, 14 Dec 2000 18:30:56 +1100, Keith Owens <kaos@ocs.com.au> said:
>> Have you actually tried doing a "btp" on an IA-64 stack that
>> isn't valid? I think you'll find that unw_unwind() returns -1
>> long before unwinding to user-space. That's probably as good an
>> indication as any that the stack is still active.
Keith> But I don't want unwind to return -1 or produce garbage,
Keith> which is what it occurs now when the stack state does not
Keith> match the assumptions.
What's so hard about writing a function that returns 1 if it was able
to unwind the kernel stack completely and 0 otherwise?
--david
prev parent reply other threads:[~2000-12-14 7:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-13 5:03 [Linux-ia64] switch_stack position Keith Owens
2000-12-14 2:56 ` David Mosberger
2000-12-14 3:46 ` Keith Owens
2000-12-14 4:39 ` David Mosberger
2000-12-14 5:13 ` Keith Owens
2000-12-14 6:21 ` David Mosberger
2000-12-14 6:31 ` Keith Owens
2000-12-14 6:36 ` David Mosberger
2000-12-14 6:44 ` Keith Owens
2000-12-14 6:56 ` David Mosberger
2000-12-14 7:08 ` Keith Owens
2000-12-14 7:20 ` David Mosberger
2000-12-14 7:30 ` Keith Owens
2000-12-14 7:40 ` David Mosberger [this message]
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