linux-kernel - Re: [PATCH 1/2] x86/tlb/trace: Export the TLB_REMOTE_WRONG

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Message-ID: <20250602125236.21f4aeb3@gandalf.local.home>
Date: Mon, 2 Jun 2025 12:52:36 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: David Hildenbrand <david@...hat.com>
Cc: Tal Zussman <tz2294@...umbia.edu>, Masami Hiramatsu
 <mhiramat@...nel.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Ingo Molnar <mingo@...nel.org>, Rik van Riel <riel@...riel.com>, Andrew
 Morton <akpm@...ux-foundation.org>, Lorenzo Stoakes
 <lorenzo.stoakes@...cle.com>, "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>, Suren
 Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 1/2] x86/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum

On Wed, 28 May 2025 11:06:10 +0200
David Hildenbrand <david@...hat.com> wrote:

> > diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h
> > index b4d8e7dc38f8..725a75720a23 100644
> > --- a/include/trace/events/tlb.h
> > +++ b/include/trace/events/tlb.h
> > @@ -13,7 +13,8 @@
> >   	EM(  TLB_REMOTE_SHOOTDOWN,	"remote shootdown" )		\
> >   	EM(  TLB_LOCAL_SHOOTDOWN,	"local shootdown" )		\
> >   	EM(  TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" )		\
> > -	EMe( TLB_REMOTE_SEND_IPI,	"remote ipi send" )
> > +	EM(  TLB_REMOTE_SEND_IPI,	"remote ipi send" )		\
> > +	EMe( TLB_REMOTE_WRONG_CPU,	"remote wrong CPU" )  
> 
> Reviewed-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Steven Rostedt (Google) <rostedt@...dmis.org>

I'm guessing this will go through the mm tree?

-- Steve