From: Michael Neuling <mikey@neuling.org>
To: Matthew McClintock <msm@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org, kexec@lists.infradead.org
Subject: Re: kexec on ppc64
Date: Wed, 08 Sep 2010 09:49:59 +1000 [thread overview]
Message-ID: <19803.1283903399@neuling.org> (raw)
In-Reply-To: <0D324CAF-2A5D-4363-9000-7EB48179C11C@freescale.com>
> I'm trying to determine how kexec'ing works on 64 bit powerpc. When
> allocating a region for the kexec'ed kernel is it ever the same as the
> currently running kernel or do you always boot the kexec'ed kernel
> from a different memory region? I understand that a crash kernel will
> be in a different region, however I was hoping to confirm the behavior
> for a normal "kexec -e".
The kernel will be loaded at a non zero address, but it will copy itself
to zero before it starts running.
Mikey
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WARNING: multiple messages have this Message-ID (diff)
From: Michael Neuling <mikey@neuling.org>
To: Matthew McClintock <msm@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org, kexec@lists.infradead.org
Subject: Re: kexec on ppc64
Date: Wed, 08 Sep 2010 09:49:59 +1000 [thread overview]
Message-ID: <19803.1283903399@neuling.org> (raw)
In-Reply-To: <0D324CAF-2A5D-4363-9000-7EB48179C11C@freescale.com>
> I'm trying to determine how kexec'ing works on 64 bit powerpc. When
> allocating a region for the kexec'ed kernel is it ever the same as the
> currently running kernel or do you always boot the kexec'ed kernel
> from a different memory region? I understand that a crash kernel will
> be in a different region, however I was hoping to confirm the behavior
> for a normal "kexec -e".
The kernel will be loaded at a non zero address, but it will copy itself
to zero before it starts running.
Mikey
next prev parent reply other threads:[~2010-09-07 23:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-07 18:34 kexec on ppc64 Matthew McClintock
2010-09-07 18:34 ` Matthew McClintock
2010-09-07 23:49 ` Michael Neuling [this message]
2010-09-07 23:49 ` Michael Neuling
-- strict thread matches above, loose matches on Subject: below --
2004-07-14 14:45 R Sharada
2004-07-15 4:14 ` Dave Hansen
2004-07-15 17:50 ` Benjamin Herrenschmidt
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