On 09/26/2012 03:44 AM, Russell King - ARM Linux wrote: > On Wed, Sep 26, 2012 at 10:38:36AM +0000, Arnd Bergmann wrote: >> On Tuesday 25 September 2012, Stephen Warren wrote: >>> >>> From: Stephen Warren <swarren@xxxxxxxxxx> >>> >>> Tegra's uncompress and debug-macro.S communicate to each-other. Hence, >>> we can't be left without uncompress.h in a multi-platform enabled kernel, >>> or we'll lose features. This series allows uncompress.h to be used in a >>> multi-platform kernel, restores the mvebu uncompress.h, and finally moves >>> the Tegra debug macros into the common location. The series as mainly an >>> RFC due to the outstanding question of where to put Tegra's <mach/iomap.h> >>> in the final patch. >> >> >> To follow up on the IRC discussion we had yesterday leading to this patch >> set, I had another idea of how to handle the same: Since the decompressor >> code is actually fairly separate from the kernel, we could also build >> multiple versions of it, and link in the same compressed vmlinux. > > That rubbishes the idea of a single kernel though, which is to give > distros a single kernel image that they can boot on different ARM > platforms. > > They want a single kernel binary that works everywhere, not one which > they need to select the right binary to work on platform X. Yes, the > _internal_ uncompressed bulk may be the same, but it would require > distros to carry around N different kernel images for N different > platforms. Will those of us not interested in a single kernel binary that works everywhere be able to configure an ARM kernel image without a lot of bloat? -- Tim ============================= Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment ============================= -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
