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[Qemu-devel] [PATCH 3/3] qemu, pkeys: add pkeys support for qemu migrati
From: |
Huaitong Han |
Subject: |
[Qemu-devel] [PATCH 3/3] qemu, pkeys: add pkeys support for qemu migration |
Date: |
Mon, 9 Nov 2015 19:55:34 +0800 |
This patch adds pkeys support for qemu migration.
Signed-off-by: Huaitong Han <address@hidden>
---
target-i386/machine.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/target-i386/machine.c b/target-i386/machine.c
index a0df64b..1b190c7 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -725,6 +725,26 @@ static const VMStateDescription vmstate_xss = {
VMSTATE_END_OF_LIST()
}
};
+#ifdef TARGET_X86_64
+static bool pkru_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+
+ return env->pkru != 0;
+}
+
+static const VMStateDescription vmstate_pkru = {
+ .name = "cpu/pkru",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = pkru_needed,
+ .fields = (VMStateField[]){
+ VMSTATE_UINT32(env.pkru, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+#endif
VMStateDescription vmstate_x86_cpu = {
.name = "cpu",
@@ -844,6 +864,9 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_msr_hyperv_time,
&vmstate_avx512,
&vmstate_xss,
+#ifdef TARGET_X86_64
+ &vmstate_pkru,
+#endif
NULL
}
};
--
2.4.3