From: David Hildenbrand <david@redhat.com>
Date: Thu, 28 Sep 2017 20:37:03 +0000 (+0200)
Subject: s390x/tcg: flush the tlb on SIGP SET PREFIX
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b376a5545a73c4ae5d19741afa7b2074d31a3a3f;p=qmiga%2Fqemu.git

s390x/tcg: flush the tlb on SIGP SET PREFIX

Thanks to Aurelien Jarno for doing this in his prototype.

We can flush the whole TLB as this should happen really rarely.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170928203708.9376-26-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---

diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c
index d70f5cb0ba..c5a5dac911 100644
--- a/target/s390x/sigp.c
+++ b/target/s390x/sigp.c
@@ -287,6 +287,7 @@ static void sigp_set_prefix(CPUState *cs, run_on_cpu_data arg)
     }
 
     cpu->env.psa = addr;
+    tlb_flush(cs);
     cpu_synchronize_post_init(cs);
     si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
 }