From: Ingo Molnar <mingo@elte.hu>
To: Jack Steiner <steiner@sgi.com>
Cc: tglx@linutronix.de, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: [PATCH] - Fix stack overflow for large values of MAX_APICS
Date: Fri, 20 Jun 2008 12:27:33 +0200 [thread overview]
Message-ID: <20080620102733.GB32500@elte.hu> (raw)
In-Reply-To: <20080620025104.GA25571@sgi.com>
* Jack Steiner <steiner@sgi.com> wrote:
> physid_mask_of_physid() causes a huge stack (12k) to be created if the
> number of APICS is large. Replace physid_mask_of_physid() with a new
> function that does not create large stacks. This is a problem only on
> large x86_64 systems.
ah, that indeed makes sense. Applied to tip/x86/uv - thanks Jack.
> Ingo - the "Increase MAX_APICS patch" can now works. Do you want me to
> resend???
no need, i have reactivated it in tip/x86/uv. (after your
physid_mask_of_physid() patch, so that it's still all bisectable)
Ingo
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next prev parent reply other threads:[~2008-06-20 10:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-20 2:51 Jack Steiner
2008-06-20 10:27 ` Ingo Molnar [this message]
2008-06-20 10:39 ` Ingo Molnar
2008-06-24 10:24 ` [bug] " Ingo Molnar
2008-06-24 22:03 ` Jack Steiner
2008-06-25 20:56 ` Jack Steiner
2008-06-26 12:32 ` Ingo Molnar
2008-06-26 12:41 ` Jack Steiner
2008-06-26 22:38 ` Paul E. McKenney
2008-06-26 22:58 ` Jack Steiner
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