linux-kernel - Re: [PATCH] uprobes: use vm_special

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Message-ID: <CAHk-=wg0Y+1r+0K3uD9viMU3-7oxAQubGsGQLx_ruk81b-ZdAw@mail.gmail.com>
Date: Tue, 3 Sep 2024 12:34:31 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Sven Schnelle <svens@...ux.ibm.com>
Cc: Oleg Nesterov <oleg@...hat.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Masami Hiramatsu <mhiramat@...nel.org>, Peter Zijlstra <peterz@...radead.org>, 
	Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	"Liang, Kan" <kan.liang@...ux.intel.com>, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] uprobes: use vm_special_mapping close() functionality

On Tue, 3 Sept 2024 at 12:31, Sven Schnelle <svens@...ux.ibm.com> wrote:
>
> > Either use kzalloc(), or do a proper initializer something like this:
>
> I sent a patch which does this today:

Ack, looks good.

This should probably be backported independently of the new close()
series, since the mremap issue seems to be a longstanding issue.

                     Linus