On Tue, 8 Oct 2013 14:33:32 +0200 Christian Ruppert <christian.rupp...@abilis.com> wrote:
> Until now, kernel compression can only be disabled by deselecting > HAVE_<compression> in the architecture Kconfig. Scratching my head a bit. There's no way of deselecting these things. I *think* you mean "by editing arch/xxx/Kconfig and removing all the "select HAVE_KERNEL_<compression>" lines"? > However, some > users/platforms within the same architecture might want to use > compression while others might want to disable it. Why would anyone want to run an uncompressed kernel, btw? Boot time? > This patch is a solution to the dilemma. > > ... > > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -118,7 +118,6 @@ config HAVE_KERNEL_LZ4 > 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 || HAVE_KERNEL_LZ4 > help > The linux kernel is a kind of self-extracting executable. > Several compression algorithms are available, which differ > @@ -137,6 +136,13 @@ 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 It's odd to create CONFIG_KERNEL_UNCOMPRESSED and not use it for anything, but I guess Kconfig's `choice' forces this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
