From: Ryan <admin@xxxxxxxx>
Date: Mon, 29 Aug 2011 16:58:21 -0600
> Built latest stable kernel and it works perfectly fine on a SunFire
> T1000, tried to install the same kernel on a V120 and this is the
> result from boot:
I know, I hit this myself earlier today, this should fix it:
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 3e9daea..3c5bb78 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -440,8 +440,14 @@ static void __init init_sparc64_elf_hwcap(void)
cap |= AV_SPARC_VIS;
if (tlb_type == cheetah || tlb_type == cheetah_plus)
cap |= AV_SPARC_VIS | AV_SPARC_VIS2;
- if (tlb_type == cheetah_plus)
- cap |= AV_SPARC_POPC;
+ if (tlb_type == cheetah_plus) {
+ unsigned long impl, ver;
+
+ __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
+ impl = ((ver >> 32) & 0xffff);
+ if (impl == PANTHER_IMPL)
+ cap |= AV_SPARC_POPC;
+ }
if (tlb_type == hypervisor) {
if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1)
cap |= AV_SPARC_ASI_BLK_INIT;
--
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