[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <9922042b-f130-a87c-8239-9b852e335f26@intel.com>
Date: Wed, 18 Jul 2018 16:13:20 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Tom Lendacky <thomas.lendacky@....com>
Cc: Kai Huang <kai.huang@...ux.intel.com>,
Jacob Pan <jacob.jun.pan@...ux.intel.com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCHv5 07/19] x86/mm: Mask out KeyID bits from page table entry
pfn
On 07/17/2018 04:20 AM, Kirill A. Shutemov wrote:
> + } else {
> + /*
> + * Reset __PHYSICAL_MASK.
> + * Maybe needed if there's inconsistent configuation
> + * between CPUs.
> + */
> + physical_mask = (1ULL << __PHYSICAL_MASK_SHIFT) - 1;
> + }
This seems like an appropriate place for a WARN_ON(). Either that, or
axe this code.
Powered by blists - more mailing lists