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From f8257195c948438cec0956ec4cc246d00d576d92 Mon Sep 17 00:00:00 2001
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Message-Id: <f8257195c948438cec0956ec4cc246d00d576d92@dist-git>
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From: Andrea Bolognani <abologna@redhat.com>
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Date: Mon, 17 Sep 2018 18:00:51 +0200
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Subject: [PATCH] qemu: Avoid probing non-native binaries all the time
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A side effect of recent changes is that we would always try
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to regenerate the capabilities cache for non-native QEMU
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binaries based on /dev/kvm availability, which is of course
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complete nonsense. Make sure that doesn't happen.
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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(cherry picked from commit 55e5eb94788be06dd366de4987523bbc731672db)
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https://bugzilla.redhat.com/show_bug.cgi?id=1629862
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_capabilities.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
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index 14d7b8fbf7..9b3f35553b 100644
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--- a/src/qemu/qemu_capabilities.c
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+++ b/src/qemu/qemu_capabilities.c
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@@ -3905,6 +3905,14 @@ virQEMUCapsIsValid(void *data,
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return false;
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}
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+ if (!virQEMUCapsGuestIsNative(priv->hostArch, qemuCaps->arch)) {
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+ VIR_DEBUG("Guest arch (%s) is not native to host arch (%s), "
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+ "skipping KVM-related checks",
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+ virArchToString(qemuCaps->arch),
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+ virArchToString(priv->hostArch));
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+ return true;
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+ }
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+
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kvmUsable = virFileAccessibleAs("/dev/kvm", R_OK | W_OK,
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priv->runUid, priv->runGid) == 0;
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--
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2.19.1
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