From: Juergen Gross <jgross@suse.com>
To: Andy Lutomirski <luto@kernel.org>, x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Nadav Amit <nadav.amit@gmail.com>, Rik van Riel <riel@redhat.com>,
Dave Hansen <dave.hansen@intel.com>,
Arjan van de Ven <arjan@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v2 09/10] x86/mm: Enable CR4.PCIDE on supported systems
Date: Wed, 14 Jun 2017 07:30:32 +0200 [thread overview]
Message-ID: <37ff0036-e33c-84d2-2c5d-8c85d1245064@suse.com> (raw)
In-Reply-To: <9cbc7f6c85a865f544adc6141951059e5aff7309.1497415951.git.luto@kernel.org>
On 14/06/17 06:56, Andy Lutomirski wrote:
> We can use PCID if the CPU has PCID and PGE and we're not on Xen.
>
> By itself, this has no effect. The next patch will start using
> PCID.
>
> Cc: Juergen Gross <jgross@suse.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Thanks,
Juergen
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next prev parent reply other threads:[~2017-06-14 5:30 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-14 4:56 [PATCH v2 00/10] PCID and improved laziness Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 01/10] x86/ldt: Simplify LDT switching logic Andy Lutomirski
2017-06-15 18:53 ` Rik van Riel
2017-06-14 4:56 ` [PATCH v2 02/10] x86/mm: Remove reset_lazy_tlbstate() Andy Lutomirski
2017-06-15 19:29 ` Rik van Riel
2017-06-14 4:56 ` [PATCH v2 03/10] x86/mm: Give each mm TLB flush generation a unique ID Andy Lutomirski
2017-06-14 15:54 ` Dave Hansen
2017-06-14 17:16 ` Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 04/10] x86/mm: Track the TLB's tlb_gen and update the flushing algorithm Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 05/10] x86/mm: Rework lazy TLB mode and TLB freshness tracking Andy Lutomirski
2017-06-14 6:09 ` Juergen Gross
2017-06-19 22:00 ` Andy Lutomirski
2017-06-14 22:33 ` Dave Hansen
2017-06-14 22:42 ` Andy Lutomirski
2017-06-18 8:06 ` Nadav Amit
2017-06-19 21:58 ` Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 06/10] x86/mm: Stop calling leave_mm() in idle code Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 07/10] x86/mm: Disable PCID on 32-bit kernels Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 08/10] x86/mm: Add nopcid to turn off PCID Andy Lutomirski
2017-06-14 4:56 ` [PATCH v2 09/10] x86/mm: Enable CR4.PCIDE on supported systems Andy Lutomirski
2017-06-14 5:30 ` Juergen Gross [this message]
2017-06-14 4:56 ` [PATCH v2 10/10] x86/mm: Try to preserve old TLB entries using PCID Andy Lutomirski
2017-06-18 6:26 ` Nadav Amit
2017-06-19 22:02 ` Andy Lutomirski
2017-06-19 22:53 ` Nadav Amit
2017-06-19 23:04 ` Nadav Amit
2017-06-14 22:18 ` [PATCH v2 00/10] PCID and improved laziness Dave Hansen
2017-06-14 22:48 ` Andy Lutomirski
[not found] ` <CA+55aFw_PYteXjaFZw0vkn4XgOomaqN3JWN-NDh_HdaN8Jb0ZA@mail.gmail.com>
[not found] ` <CA+55aFxzXmg3Kkk+NaXYFy4JsQpbUcZ+CGTgTqAdOsOGqA_E_Q@mail.gmail.com>
2017-06-14 22:58 ` Linus Torvalds
2017-06-18 21:29 ` Levin, Alexander (Sasha Levin)
2017-06-19 4:43 ` Andy Lutomirski
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