From: Ingo Molnar <mingo@elte.hu>
To: Kirill Korotaev <dev@sw.ru>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 4/4GB: remove FIXADDR_TOP changing
Date: Thu, 11 Nov 2004 22:44:53 +0100 [thread overview]
Message-ID: <20041111214453.GB5643@elte.hu> (raw)
In-Reply-To: <419390CC.9040805@sw.ru>
* Kirill Korotaev <dev@sw.ru> wrote:
> This patch fixes VSYSCALL_BASE/FIXADDR_TOP relations problems
> in 4gb split kernels (under some combinations of options/patches):
> - if FIXADDR_TOP is changed, VSYSCALL_BASE in vsyscall.lds should be
> changed as well
> - original 4gb split changes FIXADDR_TOP to be sure that stack
> is 2 pages aligned, but vsyscall.lds uses hardcoded constants inside.
> So we had /sbin/init loading problems due to ld-linux.so trying to
> access wrong addresses in VSYSCALL page.
>
> The fix is the aligment of 4gb pages instead of alignment of
> FIXADDR_TOP
indeed - thanks!
Ingo
prev parent reply other threads:[~2004-11-11 20:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-11 16:18 [PATCH] 4/4GB: remove FIXADDR_TOP changing Kirill Korotaev
2004-11-11 21:44 ` Ingo Molnar [this message]
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