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Re: [PATCH] Make LIST_POISON less deadly (v3)
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From:
Andi Kleen <andi@...>
To: Avi Kivity <avi@...>
Cc: Andrew Morton <akpm@...>, Ingo Molnar <mingo@...>, <linux-kernel@...>, Sam Ravnborg <sam@...>
Subject:
Re: [PATCH] Make LIST_POISON less deadly (v3)
Date: Tuesday, May 20, 2008 - 11:15 am
Avi Kivity <avi@qumranet.com> writes:
quoted text
> > +config ILLEGAL_POINTER_VALUE > + hex > + default 0 if X86_32 > + default 0xffffc10000000000 if X86_64
Don't make it exactly 0xffffc10000000000 but 0xffffc10000000000 + 0x1000000 or so, otherwise list_entry() users which subtract offsets would still end up in user space and there might be actually something in there by default. -Andi --
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Messages in current thread:
[PATCH] Make LIST_POISON less deadly (v3)
, Avi Kivity
, (Tue May 20, 7:39 am)
Re: [PATCH] Make LIST_POISON less deadly (v3)
, Andi Kleen
, (Tue May 20, 11:15 am)
Re: [PATCH] Make LIST_POISON less deadly (v3)
, Avi Kivity
, (Tue May 20, 11:17 am)
Re: [PATCH] Make LIST_POISON less deadly (v3)
, Ingo Molnar
, (Tue May 20, 7:55 am)
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