Messages in this thread | | | Subject | Re: IA64/x86-64 and execution protection support? | From | Andi Kleen <> | Date | 03 Nov 2003 21:20:24 +0100 |
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Joseph Pingenot <trelane@digitasaru.net> writes:
> Does the Linux kernel have support for preventing execution of certain > memory regions on those architectures? > Also, I know that some implementations of x86 stack protection are out there; > I've not seen them in the vanilla kernels; is there any plan to implement > them?
The x86-64 port supports no-execution for stack and heap and other memory areas, but it is not enabled by default because it breaks some software. You can enable it with the noexec= boot parameter. See Documentation/x86_64/boot-options.txt for details.
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