Messages in this thread | | | Date | Thu, 11 Apr 2013 13:08:08 +0530 | From | Vineet Gupta <> | Subject | Re: [PATCH] Add option to disable kernel compression |
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On 04/09/2013 05:19 PM, Christian Ruppert wrote: > Until now, kernel compression can only be disabled by deselecting > HAVE_<compression> in the architecture Kconfig. However, some > users/platforms within the same architecture might want to use > compression while others might want to disable it. > This patch is a solution to the dilemma. > > Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com> > --- > init/Kconfig | 8 +++++++- > 1 files changed, 7 insertions(+), 1 deletions(-) > > diff --git a/init/Kconfig b/init/Kconfig > index 5341d72..0924c51 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -101,7 +101,6 @@ config HAVE_KERNEL_LZO > choice > prompt "Kernel compression mode" > default KERNEL_GZIP > - depends on HAVE_KERNEL_GZIP || HAVE_KERNEL_BZIP2 || HAVE_KERNEL_LZMA || HAVE_KERNEL_XZ || HAVE_KERNEL_LZO > help > The linux kernel is a kind of self-extracting executable. > Several compression algorithms are available, which differ > @@ -120,6 +119,13 @@ choice > > If in doubt, select 'gzip' > > +config KERNEL_UNCOMPRESSED > + bool "No compression"
> + help > + No compression at all. The kernel is huge but the compression and > + decompression times are zero. > + This is usually not what you want. > + > config KERNEL_GZIP > bool "Gzip" > depends on HAVE_KERNEL_GZIP
FWIW, this is an issue for ARC port where one of our platforms runs on a very slow FPGA, hence doesn't want to spend time uncompressing the image - while others do want the gzip.
Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
Thx, -Vineet
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