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From ba2f2a8c39f2e7fe5684d9b84a0a832be482a3ab Mon Sep 17 00:00:00 2001
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Message-Id: <ba2f2a8c39f2e7fe5684d9b84a0a832be482a3ab@dist-git>
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From: Jiri Denemark <jdenemar@redhat.com>
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Date: Tue, 26 May 2020 10:58:57 +0200
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Subject: [PATCH] cpu_x86: Honor CPU models' <decode> element
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
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Tested-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
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(cherry picked from commit 7cd896ef31d33f78d40df918a33fe3867e251509)
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https://bugzilla.redhat.com/show_bug.cgi?id=1840008
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Message-Id: <15f1eedf2c0df29a3942b4b28bc4575fa51ca19a.1590483392.git.jdenemar@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/cpu/cpu_x86.c | 22 +++++++++++++++++-----
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1 file changed, 17 insertions(+), 5 deletions(-)
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diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
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index 7fbb4c9a6c..b4d5c795f7 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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@@ -2044,10 +2044,23 @@ x86DecodeUseCandidate(virCPUx86ModelPtr current,
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virCPUx86ModelPtr candidate,
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virCPUDefPtr cpuCandidate,
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uint32_t signature,
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- const char *preferred,
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- bool checkPolicy)
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+ const char *preferred)
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{
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- if (checkPolicy) {
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+ if (cpuCandidate->type == VIR_CPU_TYPE_HOST &&
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+ !candidate->decodeHost) {
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+ VIR_DEBUG("%s is not supposed to be used for host CPU definition",
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+ cpuCandidate->model);
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+ return 0;
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+ }
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+
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+ if (cpuCandidate->type == VIR_CPU_TYPE_GUEST &&
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+ !candidate->decodeGuest) {
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+ VIR_DEBUG("%s is not supposed to be used for guest CPU definition",
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+ cpuCandidate->model);
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+ return 0;
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+ }
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+
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+ if (cpuCandidate->type == VIR_CPU_TYPE_HOST) {
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size_t i;
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for (i = 0; i < cpuCandidate->nfeatures; i++) {
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if (cpuCandidate->features[i].policy == VIR_CPU_FEATURE_DISABLE)
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@@ -2209,8 +2222,7 @@ x86Decode(virCPUDefPtr cpu,
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if ((rc = x86DecodeUseCandidate(model, cpuModel,
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candidate, cpuCandidate,
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- signature, preferred,
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- cpu->type == VIR_CPU_TYPE_HOST))) {
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+ signature, preferred))) {
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virCPUDefFree(cpuModel);
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cpuModel = cpuCandidate;
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model = candidate;
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--
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2.26.2
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