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Re: [PATCH] C undefined behavior fix

From: Paul Mackerras <paulus at samba dot org>
To: Richard Henderson <rth at redhat dot com>
Cc: Tom Rini <trini at kernel dot crashing dot org>, jtv <jtv at xs4all dot nl>,Momchil Velikov <velco at fadata dot bg>, linux-kernel at vger dot kernel dot org,gcc at gcc dot gnu dot org, linuxppc-dev at lists dot linuxppc dot org,Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>,Benjamin Herrenschmidt <benh at kernel dot crashing dot org>,Corey Minyard <minyard at acm dot org>
Date: Thu, 3 Jan 2002 13:33:27 +1100 (EST)
Subject: Re: [PATCH] C undefined behavior fix
References: <87g05py8qq.fsf@fadata.bg><20020102190910.GG1803@cpe-24-221-152-185.az.sprintbbd.net><20020102133632.C10362@redhat.com><20020102220548.GL1803@cpe-24-221-152-185.az.sprintbbd.net><20020102232320.A19933@xs4all.nl><20020102231243.GO1803@cpe-24-221-152-185.az.sprintbbd.net><20020103004514.B19933@xs4all.nl><20020103000118.GR1803@cpe-24-221-152-185.az.sprintbbd.net><20020102160739.A10659@redhat.com>
Reply-to: paulus at samba dot org

Richard Henderson writes:

> Ignore strcpy.  Yes, that's what visibly causing a failure here,
> but the bug is in the funny pointer arithmetic.  Leave that in
> there and the compiler _will_ bite your ass sooner or later.

I look forward to seeing your patch to remove all uses of
virt_to_phys, phys_to_virt, __pa, __va, etc. from arch/alpha... :)

Paul.

Follow-Ups:
- Re: [PATCH] C undefined behavior fix
  - From: Richard Henderson
- Re: [PATCH] C undefined behavior fix
  - From: Geert Uytterhoeven

References:
- [PATCH] C undefined behavior fix
  - From: Momchil Velikov
- Re: [PATCH] C undefined behavior fix
  - From: Tom Rini
- Re: [PATCH] C undefined behavior fix
  - From: Richard Henderson
- Re: [PATCH] C undefined behavior fix
  - From: Tom Rini
- Re: [PATCH] C undefined behavior fix
  - From: jtv
- Re: [PATCH] C undefined behavior fix
  - From: Tom Rini
- Re: [PATCH] C undefined behavior fix
  - From: jtv
- Re: [PATCH] C undefined behavior fix
  - From: Tom Rini
- Re: [PATCH] C undefined behavior fix
  - From: Richard Henderson

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