From: Nadav Amit <nadav.amit@gmail.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: X86 ML <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <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>,
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>
Subject: Re: [PATCH v2 10/10] x86/mm: Try to preserve old TLB entries using PCID
Date: Mon, 19 Jun 2017 16:04:41 -0700 [thread overview]
Message-ID: <63A46FD8-1F25-4CE2-8C0C-6E57ECB9470C@gmail.com> (raw)
In-Reply-To: <29636D5E-53D4-47B1-8F72-8DD0FAE58A60@gmail.com>
Nadav Amit <nadav.amit@gmail.com> wrote:
>>
> Just to clarify: I asked since I don’t understand how the interaction with
> PCID-unaware CR3 users go. Specifically, IIUC, arch_efi_call_virt_teardown()
> can reload CR3 with an old PCID value. No?
Please ignore this email. I realized it is not a problem.
Nadav
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next prev parent reply other threads:[~2017-06-19 23:04 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
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 [this message]
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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