linux-kernel - Re: [PATCH 6/9] perf tools: Don't search for active kernel start in __machine__create_kernel

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Date:   Mon, 19 Feb 2018 09:18:17 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>, kernel-team@....com
Subject: Re: [PATCH 6/9] perf tools: Don't search for active kernel start in
 __machine__create_kernel_maps

Em Mon, Feb 19, 2018 at 11:49:44AM +0100, Jiri Olsa escreveu:
> On Mon, Feb 19, 2018 at 07:19:36PM +0900, Namhyung Kim wrote:
> 
> SNIP
> 
> > From b736729e83b62f97d716a011ccf4e430b614fecd Mon Sep 17 00:00:00 2001
> > From: Namhyung Kim <namhyung@...nel.org>
> > Date: Mon, 19 Feb 2018 19:00:46 +0900
> > Subject: [PATCH] perf tools: Fix paranoid check in machine__set_kernel_mmap()
> > 
> > The machine__set_kernel_mmap() is to setup addresses of the kernel map
> > using external info.  But it has a check when the address is given
> > from an incorrect input which should have the start and end address of
> > 0 (i.e. machine__process_kernel_mmap_event).
> > 
> > But we also use the end address of 0 for a valid input so change it to
> > check both start and end addresses.
> > 
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> 
> Acked-by: Jiri Olsa <jolsa@...nel.org>

Thanks, applied.

- Arnaldo