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Re: cache clearing from keeping code and data in the same segment

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Re: cache clearing from keeping code and data in the same segment

Subject: Re: cache clearing from keeping code and data in the same segment
From: Eli Bach <email@hidden>
Date: Mon, 19 Jan 2009 03:11:58 -0800


On Jan 19, 2009, at 2:36 AM, Joel Reymont wrote:

Keeping code and data in the same segment apparently results in the clearing of the instruction cache on every data access.
Would someone kindly explain why or point me to an explanation?
Thanks, Joel

Maybe so your app doesn't get hacked by means of writing to the data segment, and then getting that data executed somehow.


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Re: cache clearing from keeping code and data in the same segment
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