diff options
Diffstat (limited to 'arch/tile/kernel/entry.S')
| -rw-r--r-- | arch/tile/kernel/entry.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S index 431e9ae6048..ec91568df88 100644 --- a/arch/tile/kernel/entry.S +++ b/arch/tile/kernel/entry.S @@ -85,6 +85,7 @@ STD_ENTRY(cpu_idle_on_new_stack) /* Loop forever on a nap during SMP boot. */ STD_ENTRY(smp_nap) nap + nop /* avoid provoking the icache prefetch with a jump */ j smp_nap /* we are not architecturally guaranteed not to exit nap */ jrp lr /* clue in the backtracer */ STD_ENDPROC(smp_nap) @@ -105,5 +106,6 @@ STD_ENTRY(_cpu_idle) .global _cpu_idle_nap _cpu_idle_nap: nap + nop /* avoid provoking the icache prefetch with a jump */ jrp lr STD_ENDPROC(_cpu_idle) |