lkml.org 
[lkml]   [2018]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v5 07/15] MIPS: Setup boot_command_line before plat_mem_setup
On Tue, Jan 2, 2018 at 4:08 PM, Paul Cercueil <paul@crapouillou.net> wrote:
> From: Paul Burton <paul.burton@imgtec.com>
>
> Platforms using DT will typically call __dt_setup_arch from
> plat_mem_setup. This in turn calls early_init_dt_scan. When
> CONFIG_CMDLINE is set, this leads to its value being copied into
> boot_command_line by early_init_dt_scan_chosen. If this happens before
> the code setting up boot_command_line in arch_mem_init runs, that code
> will go on to append CONFIG_CMDLINE (via builtin_cmdline) to
> boot_command_line again, duplicating it. For some command line
> parameters (eg. earlycon) this can be a problem. Set up
> boot_command_line before early_init_dt_scan_chosen gets called such that
> it will not write CONFIG_CMDLINE in this scenario & the arguments aren't
> duplicated.
>
> Signed-off-by: Paul Burton <paul.burton@imgtec.com>
> ---
> arch/mips/kernel/setup.c | 39 ++++++++++++++++++++-------------------
> 1 file changed, 20 insertions(+), 19 deletions(-)
>
> v2: New patch in this series
> v3: No change
> v4: No change
> v5: No change

I would have used @mips email. Anyway:

Acked-by: Mathieu Malaterre <malat@debian.org>

\
 
 \ /
  Last update: 2018-01-02 18:06    [W:0.209 / U:0.948 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site