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From: Peter Maydell <peter.maydell@linaro.org>
To: Peter Chubb <peter.chubb@nicta.com.au>
Cc: davidm@ok-labs.com, qemu-devel@nongnu.org, philipo@ok-labs.com,
	Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH] [ARM] Fix sp804 dual-timer
Date: Fri, 30 Sep 2011 11:07:54 +0100	[thread overview]
Message-ID: <CAFEAcA-aWGEnjO8n77mPTdZuqp9_16G5p2K8n-aauK77HsL8RA@mail.gmail.com> (raw)
In-Reply-To: <w4ty7uxu1q.wl%peter@chubb.wattle.id.au>

On 30 September 2011 10:23, Peter Chubb <peter.chubb@nicta.com.au> wrote:
>>>>>> "Peter" == Peter Maydell <peter.maydell@linaro.org> writes:
> Peter> hw_error() is a fatal error -- don't use it for conditions that
> Peter> can be triggered by a malicious guest. (And since it's noreturn
> Peter> there's not much point putting any code after it...)
>
> Is there a better `tell the programmer s/he's done something stupid'
> error function?  The plxxx.c files all used hw_error() for bad
> offsets.

Unfortunately there isn't really a good infrastructure for this
kind of error. At the moment we have a mix of hw_error(), printing
to stderr, printing to stderr only if debug macros were enabled at
compile time, and silently ignoring things, all of which have
obvious drawbacks.

-- PMM

  reply	other threads:[~2011-09-30 10:08 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-29  2:34 [Qemu-devel] [PATCH] [ARM] Fix sp804 dual-timer Peter Chubb
2011-09-29  9:58 ` Peter Maydell
2011-09-30  0:20   ` Peter Chubb
2011-09-30  9:04     ` Peter Maydell
2011-09-30  9:23       ` Peter Chubb
2011-09-30 10:07         ` Peter Maydell [this message]
     [not found]   ` <w4y5x6g8gk.wl%peter@chubb.wattle.id.au>
     [not found]     ` <CAFEAcA8-iByH0xgjkMUo3hvkrLc8NV-Lq4GbHU-d7UoF8GSX-Q@mail.gmail.com>
2011-11-21 21:58       ` [Qemu-devel] [PATCH] imx.31 and KZM board support Peter Chubb
2011-11-21 22:45         ` Andreas Färber
2011-11-21 23:04           ` Peter Chubb
2011-11-21 23:10             ` Peter Maydell
2011-11-21 23:41         ` Peter Maydell
2011-11-21 23:54           ` Peter Chubb
2011-11-22  0:12             ` Peter Maydell
2011-11-22  0:27               ` Peter Chubb
2011-11-22  0:32                 ` Peter Maydell
2011-11-22  4:31           ` [Qemu-devel] [PATCH V2 0/4] " Peter Chubb
2011-11-22  4:32             ` [Qemu-devel] [PATCH V2 1/4] imx.31 and KZM board support: UART support Peter Chubb
2011-11-24 18:53               ` Peter Maydell
2011-11-24 22:18                 ` Peter Chubb
2011-11-22  4:33             ` [Qemu-devel] [PATCH V2 2/4] imx.31 and KZM board support: Timer support Peter Chubb
2011-11-24 17:01               ` Peter Maydell
2011-11-24 19:06               ` Peter Maydell
2011-11-22  4:34             ` [Qemu-devel] [PATCH V2 3/4] imx.31 and KZM board support: interrupt controller Peter Chubb
2011-11-24 19:37               ` Peter Maydell
2011-11-22  4:34             ` [Qemu-devel] [PATCH V2 4/4] imx.31 and KZM board support: Makefile and board Peter Chubb
2011-11-24 19:41               ` Peter Maydell
2011-11-24 20:19                 ` Andreas Färber
2011-11-24 21:31                   ` Peter Maydell
2011-11-24 21:46                     ` Andreas Färber
2011-11-24 21:52                       ` Peter Maydell
2011-11-23  0:51             ` [Qemu-devel] [PATCH V2 0/4] imx.31 and KZM board support Peter Chubb
2011-11-24 19:07               ` Andreas Färber
2011-11-26  5:21                 ` Peter Chubb
2011-11-26 19:35                   ` Peter Maydell
2011-11-22 11:06         ` [Qemu-devel] [PATCH] " Juan Quintela
2011-11-22 11:14           ` Peter Maydell
2011-11-23 14:24             ` Juan Quintela
2011-11-23  0:48           ` Peter Chubb
2011-11-21 22:05   ` [Qemu-devel] [PATCH] [ARM] Fix sp804 dual-timer Peter Chubb
2011-11-21 23:01     ` Andreas Färber
2011-11-22  0:20       ` [Qemu-devel] [PATCH] [ARM] fix function names in error messages in arm_timer.c Peter Chubb
2011-11-22  3:20       ` [Qemu-devel] [PATCH] [ARM] Fix hw_error messages from arm_timer.c Peter Chubb
2011-12-05 19:53         ` andrzej zaborowski
2011-11-22  3:25       ` [Qemu-devel] [PATCH] [ARM] Fix sp804 dual-timer Peter Chubb
2011-11-24 17:46         ` Peter Maydell

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