On Sun, Apr 22, 2007 at 11:15:48PM -0600, Eric W. Biederman wrote: > > Now that the vmlinux is marked as relocatable there is no reason to > retain the CONFIG_PHYSICAL_START option, as we can put the binary we > have at any 2MB aligned address in memory. > > With CONFIG_PHYSICAL_START gone the handful of code lines that depend > on CONFIG_RELOCATABLE no longer make sense to be conditional and can > be removed. > > The big win of this patch (besides Kconfig simplicity) is that the > nasty BUILD_BUG_ON test for people misaligning their kernel when using > CONFIG_PHYSICAL_START can be removed as this case can only happen with > CONFIG_PHYSICAL_START selected. > > Signed-off-by: Eric W. Biederman <ebiederm at xmission.com> > --- > arch/x86_64/Kconfig | 55 +----------------------------------- > arch/x86_64/Makefile | 2 - > arch/x86_64/boot/compressed/head.S | 13 +-------- > arch/x86_64/boot/setup.S | 4 -- > arch/x86_64/defconfig | 2 - > arch/x86_64/kernel/head64.c | 7 ---- > include/asm-x86_64/page.h | 2 +- > 7 files changed, 3 insertions(+), 82 deletions(-) > > diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig > index 773b487..713c1ad 100644 > --- a/arch/x86_64/Kconfig > +++ b/arch/x86_64/Kconfig > @@ -565,62 +565,9 @@ config CRASH_DUMP > which are loaded in the main kernel with kexec-tools into > a specially reserved region and then later executed after > a crash by kdump/kexec. The crash dump kernel must be compiled > - to a memory address not used by the main kernel or BIOS using > - PHYSICAL_START. > + to a memory address not used by the main kernel or BIOS > For more details see Documentation/kdump/kdump.txt Hi Eric, I think "must be compiled" should be replaced with "must be loaded" now. Otherwise both the patches look fine. I am planning to test these. This change will also require modifications to Documentation/kdump/kdump.txt file. Thanks Vivek
