powerpc: Make the 64-bit kernel as a position-independent executable

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / prom.c

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 09455e1c27c5e4b39b00b415775142f1ebe69614..3a2dc7e6586a392292ccf3ccbfacb39151a3f675 100644 (file)
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1192,6 +1192,9 @@ void __init early_init_devtree(void *params)
 
        /* Reserve LMB regions used by kernel, initrd, dt, etc... */
        lmb_reserve(PHYSICAL_START, __pa(klimit) - PHYSICAL_START);
+       /* If relocatable, reserve first 32k for interrupt vectors etc. */
+       if (PHYSICAL_START > MEMORY_START)
+               lmb_reserve(MEMORY_START, 0x8000);
        reserve_kdump_trampoline();
        reserve_crashkernel();
        early_reserve_mem();