kernel-hardening - Re: [PATCH v3 0/6] implement KASLR for powerpc/fsl

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Message-ID: <25e995fa-f9f4-8ba6-c62b-dc8bccd28cbe@huawei.com>
Date: Thu, 27 Feb 2020 09:55:36 +0800
From: Jason Yan <yanaijie@...wei.com>
To: Daniel Axtens <dja@...ens.net>, <mpe@...erman.id.au>,
	<linuxppc-dev@...ts.ozlabs.org>, <diana.craciun@....com>,
	<christophe.leroy@....fr>, <benh@...nel.crashing.org>, <paulus@...ba.org>,
	<npiggin@...il.com>, <keescook@...omium.org>,
	<kernel-hardening@...ts.openwall.com>, <oss@...error.net>
CC: <linux-kernel@...r.kernel.org>, <zhaohongjiang@...wei.com>
Subject: Re: [PATCH v3 0/6] implement KASLR for powerpc/fsl_booke/64



在 2020/2/26 19:41, Daniel Axtens 写道:
> I suspect that you will find it easier to convince people to accept a
> change to %pK than removal:)
> 
> BTW, I have a T4240RDB so I might be able to test this series at some
> point - do I need an updated bootloader to pass in a random seed, or is
> the kernel able to get enough randomness by itself? (Sorry if this is
> explained elsewhere in the series, I have only skimmed it lightly!)
> 

Thanks. It will be great if you have time to test this series.

You do not need an updated bootloader becuase the kernel is
using timer base as a simple source of entropy. This is enough for
testing the KASLR code itself.

Jason

> Regards,
> Daniel

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