From: Andi Kleen <andi@firstfloor.org>
To: vgoyal@in.ibm.com
Cc: Bernhard Walle <bwalle@suse.de>,
linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
akpm@linux-foundation.org
Subject: Re: [patch 0/2] Protect crashkernel against BSS overlap
Date: 16 Oct 2007 11:59:55 +0200 [thread overview]
Message-ID: <p738x63z8f8.fsf@crumb.suse.de> (raw)
In-Reply-To: <20071016054956.GA4659@in.ibm.com>
Vivek Goyal <vgoyal@in.ibm.com> writes:
> Wouldn't it be better if we reserve the code, data and bss memory also
> using bootmem allocator and when somebody tries to reserve craskernel memory
> and if there is an overlap, boot memory allocator should scream?
Some x86 bootmem code right now relies on it not screaming (or at least not
erroring out). That would need to be fixed first. Or you make it a flag.
Would probably make sense, except that we already have too many bootmem
allocation variants :/
-Andi
next prev parent reply other threads:[~2007-10-16 10:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 11:50 [patch 0/2] Protect crashkernel against BSS overlap Bernhard Walle
2007-10-15 11:50 ` [patch 1/2] Add BSS to resource tree Bernhard Walle
2007-10-15 18:32 ` Andrew Morton
2007-10-15 21:24 ` Bernhard Walle
2007-10-15 11:50 ` [patch 2/2] Check if the crashkernel area is behind BSS Bernhard Walle
2007-10-16 5:49 ` [patch 0/2] Protect crashkernel against BSS overlap Vivek Goyal
2007-10-16 9:59 ` Andi Kleen [this message]
2007-10-16 16:26 ` Bernhard Walle
2007-10-16 16:28 ` Bernhard Walle
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