linux-kernel - Re: [PATCH 1/23] Make register values available to panic notifiers

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Date:	Mon, 12 Apr 2010 13:20:02 +0100
From:	David Howells <dhowells@...hat.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	dhowells@...hat.com, David VomLehn <dvomlehn@...co.com>,
	to@...mlehn-lnx2.corp.sa.net,
	"linux-arch@...r.kernel.org"@cisco.com, linux-arch@...r.kernel.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	maint_arch@...mlehn-lnx2.corp.sa.net
Subject: Re: [PATCH 1/23] Make register values available to panic notifiers

Heiko Carstens <heiko.carstens@...ibm.com> wrote:

> Wouldn't it be much easier to implement panic with an illegal op and let
> the exception handler set up the pt regs structure instead? Just like some
> architectures do that already for warnings.

No, not necessarily.  panic() is varargs.

David
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