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From 8340232d7fa0ec885f81de92dfd6e8d542141ce5 Mon Sep 17 00:00:00 2001
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Message-Id: <8340232d7fa0ec885f81de92dfd6e8d542141ce5@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Tue, 30 Sep 2014 11:04:27 +0200
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Subject: [PATCH] Also filter out non-migratable features out of
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host-passthrough
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Commit de0aeaf filtered them out from the host-model features,
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to allow host-model to be migratable by default.
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Even though they are not passed to QEMU for host-passthrough,
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(and not enabled by default) filter them out too
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so the user does not think the domain has them.
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https://bugzilla.redhat.com/show_bug.cgi?id=1147584
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(cherry picked from commit f53bb1af90737205fdbfd26dc99865c02457d8c9)
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/cpu/cpu_x86.c | 14 ++++++--------
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1 file changed, 6 insertions(+), 8 deletions(-)
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diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
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index 0df8653..e7a7702 100644
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--- a/src/cpu/cpu_x86.c
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+++ b/src/cpu/cpu_x86.c
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@@ -2068,7 +2068,8 @@ x86UpdateCustom(virCPUDefPtr guest,
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static int
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x86UpdateHostModel(virCPUDefPtr guest,
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- const virCPUDef *host)
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+ const virCPUDef *host,
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+ bool passthrough)
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{
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virCPUDefPtr oldguest = NULL;
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const struct x86_map *map;
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@@ -2076,8 +2077,6 @@ x86UpdateHostModel(virCPUDefPtr guest,
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size_t i;
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int ret = -1;
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- guest->match = VIR_CPU_MATCH_EXACT;
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-
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if (!(map = virCPUx86GetMap()))
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goto cleanup;
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@@ -2100,8 +2099,7 @@ x86UpdateHostModel(virCPUDefPtr guest,
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}
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}
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}
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-
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- for (i = 0; i < oldguest->nfeatures; i++) {
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+ for (i = 0; !passthrough && i < oldguest->nfeatures; i++) {
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if (virCPUDefUpdateFeature(guest,
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oldguest->features[i].name,
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oldguest->features[i].policy) < 0)
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@@ -2125,12 +2123,12 @@ x86Update(virCPUDefPtr guest,
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return x86UpdateCustom(guest, host);
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case VIR_CPU_MODE_HOST_MODEL:
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- return x86UpdateHostModel(guest, host);
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+ guest->match = VIR_CPU_MATCH_EXACT;
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+ return x86UpdateHostModel(guest, host, false);
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case VIR_CPU_MODE_HOST_PASSTHROUGH:
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guest->match = VIR_CPU_MATCH_MINIMUM;
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- virCPUDefFreeModel(guest);
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- return virCPUDefCopyModel(guest, host, true);
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+ return x86UpdateHostModel(guest, host, true);
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case VIR_CPU_MODE_LAST:
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break;
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--
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2.1.2
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