RE: [PATCH v4 00/10] PCID and improved laziness

To: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Subject: RE: [PATCH v4 00/10] PCID and improved laziness
From: "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@xxxxxxxxx>
Date: Tue, 12 Sep 2017 20:28:21 +0000
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Cc: "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "torvalds@xxxxxxxxxxxxxxxxxxxx" <torvalds@xxxxxxxxxxxxxxxxxxxx>, "akpm@xxxxxxxxxxxxxxxxxxxx" <akpm@xxxxxxxxxxxxxxxxxxxx>, "mgorman@xxxxxxx" <mgorman@xxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "nadav.amit@xxxxxxxxx" <nadav.amit@xxxxxxxxx>, "riel@xxxxxxxxxx" <riel@xxxxxxxxxx>, "Hansen, Dave" <dave.hansen@xxxxxxxxx>, "arjan@xxxxxxxxxxxxxxx" <arjan@xxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, "Shankar, Ravi V" <ravi.v.shankar@xxxxxxxxx>, "Matt Fleming" <matt@xxxxxxxxxxxxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>
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In-reply-to: <428E07CE-6F76-4137-B568-B9794735A51F@amacapital.net>
References: <cover.1498751203.git.luto@kernel.org> <CALBSrqDW6pGjHxOmzfnkY_KoNeH6F=pTb8-tJ8r-zbu4prw9HQ@mail.gmail.com> <1505244724.4482.78.camel@intel.com> <428E07CE-6F76-4137-B568-B9794735A51F@amacapital.net>

I'm on my way to LPC, so I can't easily work on this right this instant.

Can you try this branch, though?

Hi Andy,

Good news! This branch works. I have also applied “x86/mm/64: Initialize CR4.PCIDE early” patch on top of Linus’s tree and it fixes the issue.

Regards,

Sai

References:
- [PATCH v4 00/10] PCID and improved laziness
  - From: Andy Lutomirski
- Re: [PATCH v4 00/10] PCID and improved laziness
  - From: Sai Praneeth Prakhya
- Re: [PATCH v4 00/10] PCID and improved laziness
  - From: Andy Lutomirski