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Re: ptrace question

To: Harald Krapfenbauer <>
Subject: Re: ptrace question
From: Ralf Baechle <>
Date: Mon, 14 Jul 2008 12:43:42 +0100
Cc: "" <>
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Mutt/1.5.18 (2008-05-17)
On Mon, Jul 14, 2008 at 01:02:26PM +0200, Harald Krapfenbauer wrote:

> Hello,
> If I write memory (maybe with instructions) of a traced application with
> the ptrace() call, are the caches invalidated automatically, i.e. can I
> assume that the processor uses the newly written values after continuing?

ptrace semantics requires PTRACE_POKETEXT to ensure I-cache coherency and


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