On Thu, Jan 03, 2013 at 02:45:02PM -0700, Stephen Warren wrote: > On 01/03/2013 02:29 PM, Thierry Reding wrote: > > On Thu, Jan 03, 2013 at 02:18:27PM -0700, Stephen Warren wrote: > >> On 01/03/2013 02:05 PM, Thierry Reding wrote: > >>> On Wed, Jan 02, 2013 at 02:12:21PM -0700, Stephen Warren > >>> wrote: > >>>> From: Stephen Warren <swarren@xxxxxxxxxx> > >>>> > >>>> Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx> --- > >>>> arch/arm/configs/tegra_defconfig | 1 + 1 file changed, 1 > >>>> insertion(+) > >>>> > >>>> diff --git a/arch/arm/configs/tegra_defconfig > >>>> b/arch/arm/configs/tegra_defconfig index 742dc41..e621603 > >>>> 100644 --- a/arch/arm/configs/tegra_defconfig +++ > >>>> b/arch/arm/configs/tegra_defconfig @@ -34,6 +34,7 @@ > >>>> CONFIG_AEABI=y CONFIG_HIGHMEM=y CONFIG_ZBOOT_ROM_TEXT=0x0 > >>>> CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_KEXEC=y CONFIG_CPU_FREQ=y > >>>> CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y CONFIG_CPU_IDLE=y > >>> > >>> Interesting. What do you plan to use this for? kdump? > >> > >> I plan to burn a kernel (and a small stub, and a DTB) into flash > >> instead of U-Boot, and hence not have to rely on any bootloader. > > > > Why does that require kexec support? > > Because I'd be using that kernel plus an initrd to download the "real" > kernel over e.g. TFTP and kexec it. Right, that makes sense. Thanks for explaining. Thierry
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