On Fri, 27 May, at 05:27:24PM, Dennis Chen wrote:
> When enable debug of efi and memblock with 'efi=debug memblock=debug' appended
> to the kernel command line, the debug message output for earyly_con looks like:
>
> [ 0.000000] efi: 0x0000e1050000-0x0000e105ffff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x0000e1300000-0x0000e1300fff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x0000e8200000-0x0000e827ffff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x008000000000-0x008001e7ffff [Runtime Data |RUN| | | | | | | |WB|WT|WC|UC]
> [ 0.000000] memblock_add: [0x00008000000000-0x00008001e7ffff] flags 0x0 early_init_dt_add_memory_arch+0x54/0x5c
> [ 0.000000] *
> ...
>
> This patch is trying to fix the above output messed up by memblock_add(), so we can get below debug mesg looks
> more formally after applied:
>
> [ 0.000000] efi: 0x0000e1050000-0x0000e105ffff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x0000e1300000-0x0000e1300fff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x0000e8200000-0x0000e827ffff [Memory Mapped I/O |RUN| | | | | | | | | | |UC]
> [ 0.000000] efi: 0x008000000000-0x008001e7ffff [Runtime Data |RUN| | | | | | | |WB|WT|WC|UC]*
> [ 0.000000] memblock_add: [0x00008000000000-0x00008001e7ffff] flags 0x0 early_init_dt_add_memory_arch+0x54/0x5c
> ...
>
> Signed-off-by: Dennis Chen <dennis.chen@xxxxxxx>
> Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Steve Capper <steve.capper@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-efi@xxxxxxxxxxxxxxx
>
> Since v1[1]:
> According to the suggestion from Mark Rutland, v2 folds the pr_cont("\n") into pr_info.
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2016-May/431233.html
> ---
> drivers/firmware/efi/arm-init.c | 14 ++++++--------
> 1 file changed, 6 insertions(+), 8 deletions(-)
Thanks, applied.
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