From: djm@kirby.fc.hp.com <djm@kirby.fc.hp.com>
Date: Fri, 13 Jan 2006 16:36:47 +0000 (-0600)
Subject: correct implementation of flush_tlb_mask needed to reenable CONFIG_SMP
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~16541^2~38^2~7
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=cafde138a1bc6bb3c6b1e329069204d19d40a3bc;p=xen.git

correct implementation of flush_tlb_mask needed to reenable CONFIG_SMP
Signed-off-by: Tristan Gingold <tristan.gingold@bull.net>
---

diff --git a/xen/arch/ia64/linux-xen/smp.c b/xen/arch/ia64/linux-xen/smp.c
index 97f66a045c..d667a428b4 100644
--- a/xen/arch/ia64/linux-xen/smp.c
+++ b/xen/arch/ia64/linux-xen/smp.c
@@ -57,8 +57,21 @@
 void flush_tlb_mask(cpumask_t mask)
 {
 #ifdef CONFIG_SMP
-    printf("flush_tlb_mask called, not implemented for SMP\n");
-	dummy();
+    int cpu;
+
+    cpu = smp_processor_id();
+    if (cpu_isset (cpu, mask)) {
+        cpu_clear(cpu, mask);
+	local_flush_tlb_all ();
+    }
+
+    if (cpus_empty(mask))
+        return;
+
+    for (cpu = 0; cpu < NR_CPUS; ++cpu)
+        if (cpu_isset(cpu, mask))
+	   smp_call_function_single
+	     (cpu, (void (*)(void *))local_flush_tlb_all, NULL, 1, 1);
 #endif
 }
 //#if CONFIG_SMP || IA64