qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH v1 24/27] s390x/tcg: flush the tlb on SIGP SET PREFI


From: David Hildenbrand
Subject: [Qemu-devel] [PATCH v1 24/27] s390x/tcg: flush the tlb on SIGP SET PREFIX
Date: Mon, 18 Sep 2017 18:00:09 +0200

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 <address@hidden>
---
 target/s390x/sigp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c
index 521dcc75f3..c5a5dac911 100644
--- a/target/s390x/sigp.c
+++ b/target/s390x/sigp.c
@@ -14,6 +14,7 @@
 #include "internal.h"
 #include "sysemu/hw_accel.h"
 #include "exec/address-spaces.h"
+#include "exec/exec-all.h"
 #include "sysemu/sysemu.h"
 #include "trace.h"
 
@@ -286,6 +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;
 }
-- 
2.13.5




reply via email to

[Prev in Thread] Current Thread [Next in Thread]