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From: Rik van Riel <riel@surriel.com>
To: Peter Zijlstra <peterz@infradead.org>,
	David Hildenbrand <david@redhat.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de,
	 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 v6 02/12] x86/mm: remove pv_ops.mmu.tlb_remove_table call
Date: Wed, 22 Jan 2025 10:48:47 -0500	[thread overview]
Message-ID: <bc2ddbbe443fb33f7ea51c10c5ae611aee7b5431.camel@surriel.com> (raw)
In-Reply-To: <20250121085415.GZ5388@noisy.programming.kicks-ass.net>

On Tue, 2025-01-21 at 09:54 +0100, Peter Zijlstra wrote:
> On Tue, Jan 21, 2025 at 08:46:04AM +0100, David Hildenbrand wrote:
> > On 21.01.25 02:03, Rik van Riel wrote:
> > > On Mon, 2025-01-20 at 20:47 +0100, David Hildenbrand wrote:
> > > > On 20.01.25 03:40, Rik van Riel wrote:
> > > > > Every pv_ops.mmu.tlb_remove_table call ends up calling
> > > > > tlb_remove_table.
> > > > > 
> > > > 
> > > > Indeed, but the !CONFIG_PARAVIRT variant
> > > > paravirt_tlb_remove_table()
> > > > however calls tlb_remove_page().
> > > 
> > > Patch 1/12 from this series removes that.
> > > 
> > > After patch 1/12, we always call tlb_remove_table everywhere.
> > 
> > This patch contains the hunk:
> > 
> > -#ifndef CONFIG_PARAVIRT
> > -static inline
> > -void paravirt_tlb_remove_table(struct mmu_gather *tlb, void
> > *table)
> > -{
> > -	tlb_remove_page(tlb, table);
> > -}
> > -#endif
> > -
> > 
> > That is the source of my confusion.
> 
> Ah, that hunk should probably go to patch 1
> 
Moved that over for the next version.


-- 
All Rights Reversed.


  reply	other threads:[~2025-01-22 15:51 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-20  2:40 [PATCH v6 00/12] AMD broadcast TLB invalidation Rik van Riel
2025-01-20  2:40 ` [PATCH v6 01/12] x86/mm: make MMU_GATHER_RCU_TABLE_FREE unconditional Rik van Riel
2025-01-20 19:32   ` David Hildenbrand
2025-01-20  2:40 ` [PATCH v6 02/12] x86/mm: remove pv_ops.mmu.tlb_remove_table call Rik van Riel
2025-01-20 19:47   ` David Hildenbrand
2025-01-21  1:03     ` Rik van Riel
2025-01-21  7:46       ` David Hildenbrand
2025-01-21  8:54         ` Peter Zijlstra
2025-01-22 15:48           ` Rik van Riel [this message]
2025-01-20  2:40 ` [PATCH v6 03/12] x86/mm: consolidate full flush threshold decision Rik van Riel
2025-01-20  2:40 ` [PATCH v6 04/12] x86/mm: get INVLPGB count max from CPUID Rik van Riel
2025-01-20  2:40 ` [PATCH v6 05/12] x86/mm: add INVLPGB support code Rik van Riel
2025-01-21  9:45   ` Peter Zijlstra
2025-01-22 16:58     ` Rik van Riel
2025-01-20  2:40 ` [PATCH v6 06/12] x86/mm: use INVLPGB for kernel TLB flushes Rik van Riel
2025-01-20  2:40 ` [PATCH v6 07/12] x86/tlb: use INVLPGB in flush_tlb_all Rik van Riel
2025-01-20  2:40 ` [PATCH v6 08/12] x86/mm: use broadcast TLB flushing for page reclaim TLB flushing Rik van Riel
2025-01-20  2:40 ` [PATCH v6 09/12] x86/mm: enable broadcast TLB invalidation for multi-threaded processes Rik van Riel
2025-01-20 14:02   ` Nadav Amit
2025-01-20 16:09     ` Rik van Riel
2025-01-20 20:04       ` Nadav Amit
2025-01-20 22:44         ` Rik van Riel
2025-01-21  7:31           ` Nadav Amit
2025-01-21  9:55   ` Peter Zijlstra
2025-01-21 10:33     ` Peter Zijlstra
2025-01-23  1:40       ` Rik van Riel
2025-01-21 18:48     ` Dave Hansen
2025-01-22  8:38   ` Peter Zijlstra
2025-01-23  1:13     ` Rik van Riel
2025-01-23  9:07       ` Peter Zijlstra
2025-01-23 12:42         ` Rik van Riel
2025-01-20  2:40 ` [PATCH v6 10/12] x86,tlb: do targeted broadcast flushing from tlbbatch code Rik van Riel
2025-01-20  2:40 ` [PATCH v6 11/12] x86/mm: enable AMD translation cache extensions Rik van Riel
2025-01-20  2:40 ` [PATCH v6 12/12] x86/mm: only invalidate final translations with INVLPGB Rik van Riel
2025-01-20  5:58 ` [PATCH v6 00/12] AMD broadcast TLB invalidation Michael Kelley
2025-01-24 11:41 ` Manali Shukla

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