[SPARC64]: Bulletproof hypervisor TLB flushing.
Check TLB flush hypervisor calls for errors and report them.
Pass HV_MMU_ALL always for now, we can add back the optimization
to avoid the I-TLB flush later.
Always explicitly page align the virtual address arguments.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 8df0cf29..043a726 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1968,6 +1968,18 @@
prom_halt();
}
+void hypervisor_tlbop_error(unsigned long err, unsigned long op)
+{
+ printk(KERN_CRIT "SUN4V: TLB hv call error %lu for op %lu\n",
+ err, op);
+}
+
+void hypervisor_tlbop_error_xcall(unsigned long err, unsigned long op)
+{
+ printk(KERN_CRIT "SUN4V: XCALL TLB hv call error %lu for op %lu\n",
+ err, op);
+}
+
void do_fpe_common(struct pt_regs *regs)
{
if (regs->tstate & TSTATE_PRIV) {