From: Brendan Jackman <jackmanb@google.com>
To: Rik van Riel <riel@surriel.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de,
peterz@infradead.org, dave.hansen@linux.intel.com,
zhengqi.arch@bytedance.com, nadav.amit@gmail.com,
thomas.lendacky@amd.com, kernel-team@meta.com,
linux-mm@kvack.org, akpm@linux-foundation.org, jannh@google.com,
mhklinux@outlook.com, andrew.cooper3@citrix.com
Subject: Re: [PATCH v11 00/12] AMD broadcast TLB invalidation
Date: Thu, 13 Feb 2025 19:31:01 +0100 [thread overview]
Message-ID: <CA+i-1C3DRvustO9eH4PFyASD_SRoR4iv22BMfvu9BSKDK_SFLw@mail.gmail.com> (raw)
In-Reply-To: <20250213161423.449435-1-riel@surriel.com>
On Thu, 13 Feb 2025 at 17:20, Rik van Riel <riel@surriel.com> wrote:
>
> Add support for broadcast TLB invalidation using AMD's INVLPGB instruction.
Oh - what if the user sets nopcid. We need to disable invlpgb in that
case right?
(I assume it could be made to work, but doesn't seem like a case worth
optimising).
next prev parent reply other threads:[~2025-02-13 18:31 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 16:13 Rik van Riel
2025-02-13 16:13 ` [PATCH v11 01/12] x86/mm: make MMU_GATHER_RCU_TABLE_FREE unconditional Rik van Riel
2025-02-13 16:13 ` [PATCH v11 02/12] x86/mm: remove pv_ops.mmu.tlb_remove_table call Rik van Riel
2025-02-13 16:13 ` [PATCH v11 03/12] x86/mm: consolidate full flush threshold decision Rik van Riel
2025-02-14 18:07 ` Dave Hansen
2025-02-19 11:21 ` Borislav Petkov
2025-02-13 16:13 ` [PATCH v11 04/12] x86/mm: get INVLPGB count max from CPUID Rik van Riel
2025-02-14 18:16 ` Dave Hansen
2025-02-19 11:56 ` Borislav Petkov
2025-02-19 17:52 ` Rik van Riel
2025-02-19 18:23 ` Borislav Petkov
2025-02-19 19:26 ` Dave Hansen
2025-02-13 16:13 ` [PATCH v11 05/12] x86/mm: add INVLPGB support code Rik van Riel
2025-02-14 18:22 ` Dave Hansen
2025-02-18 17:23 ` Rik van Riel
2025-02-19 12:04 ` Borislav Petkov
2025-02-19 17:42 ` Rik van Riel
2025-02-19 19:01 ` Dave Hansen
2025-02-19 19:15 ` Borislav Petkov
2025-02-20 2:49 ` Rik van Riel
2025-02-20 10:23 ` Borislav Petkov
2025-02-13 16:13 ` [PATCH v11 06/12] x86/mm: use INVLPGB for kernel TLB flushes Rik van Riel
2025-02-14 18:35 ` Dave Hansen
2025-02-14 19:40 ` Peter Zijlstra
2025-02-14 19:55 ` Dave Hansen
2025-02-15 1:25 ` Rik van Riel
2025-02-15 2:08 ` Yosry Ahmed
2025-02-18 18:00 ` Rik van Riel
2025-02-18 22:27 ` Dave Hansen
2025-02-19 1:46 ` Yosry Ahmed
2025-02-13 16:13 ` [PATCH v11 07/12] x86/mm: use INVLPGB in flush_tlb_all Rik van Riel
2025-02-14 18:57 ` Dave Hansen
2025-02-13 16:13 ` [PATCH v11 08/12] x86/mm: use broadcast TLB flushing for page reclaim TLB flushing Rik van Riel
2025-02-14 18:51 ` Dave Hansen
2025-02-18 19:31 ` Rik van Riel
2025-02-18 19:46 ` Dave Hansen
2025-02-18 20:06 ` Rik van Riel
2025-02-13 16:14 ` [PATCH v11 09/12] x86/mm: enable broadcast TLB invalidation for multi-threaded processes Rik van Riel
2025-02-14 19:53 ` Dave Hansen
2025-02-17 13:22 ` Brendan Jackman
2025-02-20 15:25 ` Rik van Riel
2025-02-13 16:14 ` [PATCH v11 10/12] x86/mm: do targeted broadcast flushing from tlbbatch code Rik van Riel
2025-02-13 16:14 ` [PATCH v11 11/12] x86/mm: enable AMD translation cache extensions Rik van Riel
2025-02-13 16:14 ` [PATCH v11 12/12] x86/mm: only invalidate final translations with INVLPGB Rik van Riel
2025-02-13 18:31 ` Brendan Jackman [this message]
2025-02-13 18:38 ` [PATCH v11 00/12] AMD broadcast TLB invalidation Brendan Jackman
2025-02-13 20:02 ` Rik van Riel
2025-02-14 9:36 ` Peter Zijlstra
2025-02-14 9:54 ` Brendan Jackman
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