From: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Date: Thu, 21 Nov 2013 18:06:30 +0000 (+0100)
Subject: exec: On AS changes, only flush affected CPU TLBs
X-Git-Tag: qemu-xen-4.5.0-rc1~213
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=33bde2e13f36b9331e35b6e531bc06e8567b4f64;p=qemu-upstream-4.6-testing.git

exec: On AS changes, only flush affected CPU TLBs

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---

diff --git a/exec.c b/exec.c
index cd931c1e8..5e2d1211e 100644
--- a/exec.c
+++ b/exec.c
@@ -1828,6 +1828,11 @@ static void tcg_commit(MemoryListener *listener)
     CPU_FOREACH(cpu) {
         CPUArchState *env = cpu->env_ptr;
 
+        /* FIXME: Disentangle the cpu.h circular files deps so we can
+           directly get the right CPU from listener.  */
+        if (cpu->tcg_as_listener != listener) {
+            continue;
+        }
         tlb_flush(env, 1);
     }
 }