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From b768a8cb9fbd84a96f576d1dd7468f664200683f Mon Sep 17 00:00:00 2001
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Message-Id: <b768a8cb9fbd84a96f576d1dd7468f664200683f@dist-git>
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From: Jiri Denemark <jdenemar@redhat.com>
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Date: Wed, 10 May 2017 13:05:16 +0200
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Subject: [PATCH] conf: Check CPU cache for ABI stability
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
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(cherry picked from commit 1e9cf6e09ce242c94731bd21707dd3bcd41f854f)
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https://bugzilla.redhat.com/show_bug.cgi?id=1449595
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/conf/cpu_conf.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/src/conf/cpu_conf.c b/src/conf/cpu_conf.c
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index 1b098c476..a4be5742e 100644
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--- a/src/conf/cpu_conf.c
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+++ b/src/conf/cpu_conf.c
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@@ -915,6 +915,16 @@ virCPUDefIsEqual(virCPUDefPtr src,
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}
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}
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+ if ((src->cache && !dst->cache) ||
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+ (!src->cache && dst->cache) ||
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+ (src->cache && dst->cache &&
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+ (src->cache->level != dst->cache->level ||
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+ src->cache->mode != dst->cache->mode))) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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+ _("Target CPU cache does not match source"));
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+ goto cleanup;
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+ }
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+
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identical = true;
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cleanup:
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--
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2.13.0
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