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From: David Howells <dhowells@redhat.com>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: dhowells@redhat.com, David VomLehn <dvomlehn@cisco.com>,
	to@dvomlehn-lnx2.corp.sa.net,
	"linux-arch@vger.kernel.org"@cisco.comlinux-arch@vger.kernel.org,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	maint_arch@dvomlehn-lnx2.corp.sa.net
Subject: Re: [PATCH 1/23] Make register values available to panic notifiers
Date: Mon, 12 Apr 2010 13:20:02 +0100	[thread overview]
Message-ID: <24979.1271074802@redhat.com> (raw)
In-Reply-To: <20100412120330.GA2566@osiris.boeblingen.de.ibm.com>

Heiko Carstens <heiko.carstens@de.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

WARNING: multiple messages have this Message-ID (diff)
From: David Howells <dhowells@redhat.com>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: dhowells@redhat.com, David VomLehn <dvomlehn@cisco.com>,
	to@dvomlehn-lnx2.corp.sa.net,
	"linux-arch@vger.kernel.org"@cisco.com,
	linux-arch@vger.kernel.org, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org,
	maint_arch@dvomlehn-lnx2.corp.sa.net
Subject: Re: [PATCH 1/23] Make register values available to panic notifiers
Date: Mon, 12 Apr 2010 13:20:02 +0100	[thread overview]
Message-ID: <24979.1271074802@redhat.com> (raw)
In-Reply-To: <20100412120330.GA2566@osiris.boeblingen.de.ibm.com>

Heiko Carstens <heiko.carstens@de.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

  reply	other threads:[~2010-04-12 12:20 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-12  6:06 [PATCH 1/23] Make register values available to panic notifiers David VomLehn
2010-04-12  6:06 ` David VomLehn
2010-04-12  6:24 ` Mike Frysinger
2010-04-12  6:24   ` Mike Frysinger
2010-04-12 11:16 ` David Howells
2010-04-12 11:16   ` David Howells
2010-04-14 20:41   ` David VomLehn
2010-04-14 23:52     ` David Howells
2010-04-14 23:58       ` David Miller
2010-04-14 20:42   ` David VomLehn
2010-04-12 12:03 ` Heiko Carstens
2010-04-12 12:03   ` Heiko Carstens
2010-04-12 12:20   ` David Howells [this message]
2010-04-12 12:20     ` David Howells
2010-04-12 12:24   ` Russell King
2010-04-12 12:24     ` Russell King
2010-04-14 20:47   ` David VomLehn
2010-04-12 12:27 ` Russell King
2010-04-12 12:27   ` Russell King
2010-04-12 12:45   ` David Howells
2010-04-14 21:04     ` David VomLehn
2010-04-12 13:35   ` Martin Schwidefsky
2010-04-12 13:35     ` Martin Schwidefsky
2010-04-14 21:09     ` David VomLehn
2010-04-14 21:00   ` David VomLehn
2010-04-15  2:54 ` Paul Mundt
  -- strict thread matches above, loose matches on Subject: below --
2010-04-12  6:03 David VomLehn
2010-04-12 21:57 ` Andrew Morton
2010-04-14 22:02   ` David VomLehn

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