From: Dave Hansen <dave.hansen@linux.intel.com>
To: Rik van Riel <riel@surriel.com>, linux-kernel@vger.kernel.org
Cc: 86@vger.kernel.org, luto@kernel.org, mingo@kernel.org,
tglx@linutronix.de, efault@gmx.de, songliubraving@fb.com,
kernel-team@fb.com
Subject: Re: [PATCH 4/7] x86,tlb: make lazy TLB mode lazier
Date: Fri, 22 Jun 2018 10:05:17 -0700 [thread overview]
Message-ID: <187ad4e2-d72b-2267-df40-dfb178ab0e47@linux.intel.com> (raw)
In-Reply-To: <20180620195652.27251-5-riel@surriel.com>
On 06/20/2018 12:56 PM, Rik van Riel wrote:
> This patch deals with that issue by introducing a third TLB state,
> TLBSTATE_FLUSH, which causes %CR3 to be reloaded at the next context
> switch.
With PCIDs, do we need to be a bit more explicit about what kind of %CR3
reload we have? Because, with PCIDs, we do have non-TLB-flushing %CR3
writes.
next prev parent reply other threads:[~2018-06-22 17:05 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-20 19:56 [PATCH 0/7] x86,tlb,mm: make lazy TLB mode even lazier Rik van Riel
2018-06-20 19:56 ` [PATCH 1/7] mm: allocate mm_cpumask dynamically based on nr_cpu_ids Rik van Riel
2018-06-20 21:32 ` kbuild test robot
2018-06-21 20:18 ` Rik van Riel
2018-06-21 0:24 ` kbuild test robot
2018-06-22 15:10 ` Dave Hansen
2018-06-22 17:45 ` Rik van Riel
2018-06-20 19:56 ` [PATCH 2/7] x86,tlb: leave lazy TLB mode at page table free time Rik van Riel
2018-06-21 0:23 ` Rik van Riel
2018-06-22 14:58 ` Andy Lutomirski
2018-06-22 15:17 ` Rik van Riel
2018-06-20 19:56 ` [PATCH 3/7] x86,tlb: change tlbstate.is_lazy to tlbstate.state Rik van Riel
2018-06-22 17:01 ` Dave Hansen
2018-06-22 17:08 ` Rik van Riel
2018-06-20 19:56 ` [PATCH 4/7] x86,tlb: make lazy TLB mode lazier Rik van Riel
2018-06-22 15:04 ` Andy Lutomirski
2018-06-22 15:15 ` Rik van Riel
2018-06-22 15:34 ` Andy Lutomirski
2018-06-22 17:05 ` Dave Hansen [this message]
2018-06-22 17:16 ` Rik van Riel
2018-06-20 19:56 ` [PATCH 5/7] x86,tlb: only send page table free TLB flush to lazy TLB CPUs Rik van Riel
2018-06-22 17:23 ` Dave Hansen
2018-06-20 19:56 ` [PATCH 6/7] x86,mm: always use lazy TLB mode Rik van Riel
2018-06-20 19:56 ` [PATCH 7/7] x86,idle: do not leave mm in idle state Rik van Riel
2018-06-20 22:20 ` kbuild test robot
2018-06-21 0:25 ` Rik van Riel
2018-06-22 15:36 ` Andy Lutomirski
2018-06-22 15:53 ` Rik van Riel
2018-06-22 16:01 ` Andy Lutomirski
2018-06-22 20:18 ` Rik van Riel
2018-06-22 22:05 ` Andy Lutomirski
2018-06-23 0:55 ` Rik van Riel
2018-06-29 14:29 [PATCH v3 0/7] x86,tlb,mm: make lazy TLB mode even lazier Rik van Riel
2018-06-29 14:29 ` [PATCH 4/7] x86,tlb: make lazy TLB mode lazier Rik van Riel
2018-06-29 17:05 ` Dave Hansen
2018-06-29 17:29 ` Rik van Riel
2018-07-06 21:56 [PATCH v4 0/7] x86,tlb,mm: make lazy TLB mode even lazier Rik van Riel
2018-07-06 21:56 ` [PATCH 4/7] x86,tlb: make lazy TLB mode lazier Rik van Riel
2018-07-10 14:28 [PATCH v5 0/7] x86,tlb,mm: make lazy TLB mode even lazier Rik van Riel
2018-07-10 14:28 ` [PATCH 4/7] x86,tlb: make lazy TLB mode lazier Rik van Riel
2018-07-16 19:03 [PATCH v6 0/7] x86,tlb,mm: make lazy TLB mode even lazier Rik van Riel
2018-07-16 19:03 ` [PATCH 4/7] x86,tlb: make lazy TLB mode lazier Rik van Riel
2018-07-17 20:04 ` Andy Lutomirski
[not found] ` <FF977B78-140F-4787-AA57-0EA934017D85@surriel.com>
2018-07-17 21:29 ` Andy Lutomirski
2018-07-17 22:05 ` Rik van Riel
2018-07-17 22:27 ` Andy Lutomirski
2018-07-18 20:58 ` Rik van Riel
2018-07-18 23:13 ` Andy Lutomirski
[not found] ` <B976CC13-D014-433A-83DE-F8DF9AB4F421@surriel.com>
2018-07-19 16:45 ` Andy Lutomirski
2018-07-19 17:04 ` Andy Lutomirski
2018-07-19 17:04 ` Andy Lutomirski
2018-07-20 4:57 ` Benjamin Herrenschmidt
2018-07-20 8:30 ` Peter Zijlstra
2018-07-23 12:26 ` Rik van Riel
2018-07-23 12:26 ` Rik van Riel
2018-07-24 16:33 ` Will Deacon
[not found] ` <CF849A07-B7CE-4DE9-8246-53AC5A53A705@surriel.com>
2018-07-19 17:18 ` Andy Lutomirski
2018-07-20 8:02 ` Vitaly Kuznetsov
2018-07-20 9:49 ` Peter Zijlstra
2018-07-20 10:18 ` Vitaly Kuznetsov
2018-07-20 9:32 ` Peter Zijlstra
2018-07-20 11:04 ` Peter Zijlstra
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