linux-kernel - Re: [PATCH v1] media: staging: tegra-vde: Replace debug messages with trace points

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3929419.8vW2TRoUPb@dimapc>
Date:   Wed, 25 Jul 2018 01:38:37 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc:     Hans Verkuil <hverkuil@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-tegra@...r.kernel.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] media: staging: tegra-vde: Replace debug messages with trace points

On Wednesday, 25 July 2018 01:06:52 MSK Mauro Carvalho Chehab wrote:
> Em Sat,  7 Jul 2018 19:20:49 +0300
> 
> Dmitry Osipenko <digetx@...il.com> escreveu:
> > Trace points are much more efficient than debug messages for extensive
> > tracing and could be conveniently enabled / disabled dynamically, hence
> > let's replace debug messages with the trace points.
> 
> This patch require some work:
> 
> $ make ARCH=i386  CF=-D__CHECK_ENDIAN__ CONFIG_DEBUG_SECTION_MISMATCH=y C=1
> W=1 CHECK='compile_checks' M=drivers/staging/media
> 
> ./include/linux/slab.h:631:13: error: undefined identifier
> '__builtin_mul_overflow' ./include/linux/slab.h:631:13: warning: call with
> no type!
> fixdep: error opening file: drivers/staging/media/tegra-vde/trace.h: No such
> file or directory

  CHECK   drivers/staging/media/tegra-vde/tegra-vde.c
/bin/sh: compile_checks: command not found

Upstream kernel doesn't have "compile_checks" script and I can't find it 
anywhere else.