linux-kernel - Re: [PATCH v2] kaslr: get ACPI SRAT table to avoid movable memory

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Message-ID: <2895411.GR6mzpbNLk@aspire.rjw.lan>
Date:   Mon, 04 Sep 2017 00:55:00 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Chao Fan <fanc.fnst@...fujitsu.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-acpi@...r.kernel.org, hpa@...or.com, tglx@...utronix.de,
        mingo@...hat.com, keescook@...omium.org, bhe@...hat.com,
        arnd@...db.de, dyoung@...hat.com, dave.jiang@...el.com,
        lv.zheng@...el.com, indou.takao@...fujitsu.com,
        izumi.taku@...fujitsu.com, yasu.isimatu@...il.com
Subject: Re: [PATCH v2] kaslr: get ACPI SRAT table to avoid movable memory

On Sunday, September 3, 2017 4:31:23 PM CEST Chao Fan wrote:
> KASLR should choose the memory region of immovable node to extract kernel.
> So get ACPI SRAT table and store the memory region of movable node which
> kaslr shold avoid.

Please elaborate.

This is far too little information on what problem you are trying to address
and why you are trying to address it in this particular way.

Thanks,
Rafael