linux-kernel - Re: [PATCH 00/11] [v5] Use global pages with PTI

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Message-ID: <1b45ffd1-99bb-4ac1-fb65-0de3e42c1c0a@amd.com>
Date:   Mon, 9 Apr 2018 13:59:33 -0500
From:   Tom Lendacky <thomas.lendacky@....com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, aarcange@...hat.com, luto@...nel.org,
        torvalds@...ux-foundation.org, keescook@...gle.com,
        hughd@...gle.com, jgross@...e.com, x86@...nel.org, namit@...are.com
Subject: Re: [PATCH 00/11] [v5] Use global pages with PTI

On 4/9/2018 1:17 PM, Dave Hansen wrote:
> On 04/09/2018 11:04 AM, Tom Lendacky wrote:
>> On 4/6/2018 3:55 PM, Dave Hansen wrote:
>>> Changes from v4
>>>  * Fix compile error reported by Tom Lendacky
>> This built with CONFIG_RANDOMIZE_BASE=y, but failed to boot successfully.
>> I think you're missing the initialization of __default_kernel_pte_mask in
>> kaslr.c.
> 
> This should be simple to fix (just add a -1 instead of 0), but let me
> double-check and actually boot the fix.

Yup, added an "= ~0" and everything is good.

Thanks,
Tom

>