sal_revision = SAL_VERSION_CODE(2, 8);
sal_version = SAL_VERSION_CODE(0, 0);
}
+
+ if (ia64_platform_is("sn2") && (sal_revision == SAL_VERSION_CODE(2, 9)))
+ /*
+ * SGI Altix has hard-coded version 2.9 in their prom
+ * but they actually implement 3.2, so let's fix it here.
+ */
+ sal_revision = SAL_VERSION_CODE(3, 2);
}
static void __init
*/
static int sal_cache_flush_drops_interrupts;
+static int __init
+force_pal_cache_flush(char *str)
+{
+ sal_cache_flush_drops_interrupts = 1;
+ return 0;
+}
+early_param("force_pal_cache_flush", force_pal_cache_flush);
+
void __init
check_sal_cache_flush (void)
{
u64 vector, cache_type = 3;
struct ia64_sal_retval isrv;
+ if (sal_cache_flush_drops_interrupts)
+ return;
+
cpu = get_cpu();
local_irq_save(flags);
/*
- * Schedule a timer interrupt, wait until it's reported, and see if
- * SAL_CACHE_FLUSH drops it.
+ * Send ourselves a timer interrupt, wait until it's reported, and see
+ * if SAL_CACHE_FLUSH drops it.
*/
- ia64_set_itv(IA64_TIMER_VECTOR);
- ia64_set_itm(ia64_get_itc() + 1000);
+ platform_send_ipi(cpu, IA64_TIMER_VECTOR, IA64_IPI_DM_INT, 0);
while (!ia64_get_irr(IA64_TIMER_VECTOR))
cpu_relax();