From: David S. Miller Date: Tue, 12 Dec 2006 05:06:55 +0000 (-0800) Subject: [SPARC64]: Kill no-remapping-needed code in head.S X-Git-Tag: firefly_0821_release~31858 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=15f1483404f3497c66872de13f3d585e3da87785;p=firefly-linux-kernel-4.4.55.git [SPARC64]: Kill no-remapping-needed code in head.S It branches around some necessary prom calls, which we would need to do even if we are mapped at the correct location already. So it doesn't work. The idea was that this sort of thing could be used for the eventual kexec implementation, but it is clear that this will need to be done differently. Signed-off-by: David S. Miller --- diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 03ffaf895a22..baea10a98196 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -78,11 +78,7 @@ sparc_ramdisk_image64: /* PROM cif handler code address is in %o4. */ sparc64_boot: -1: rd %pc, %g7 - set 1b, %g1 - cmp %g1, %g7 - be,pn %xcc, sparc64_boot_after_remap - mov %o4, %l7 + mov %o4, %l7 /* We need to remap the kernel. Use position independant * code to remap us to KERNBASE. @@ -295,7 +291,6 @@ is_sun4v: add %sp, (192 + 128), %sp -sparc64_boot_after_remap: sethi %hi(prom_root_compatible), %g1 or %g1, %lo(prom_root_compatible), %g1 sethi %hi(prom_sun4v_name), %g7