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From 2c4fb8fc19d1dd6ef8fafdfb1e48998020a368cd Mon Sep 17 00:00:00 2001
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Message-Id: <2c4fb8fc19d1dd6ef8fafdfb1e48998020a368cd@dist-git>
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From: Yi Min Zhao <zyimin@linux.ibm.com>
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Date: Mon, 8 Apr 2019 10:57:20 +0200
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Subject: [PATCH] qemu: Enable PCI multi bus for S390 guests
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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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QEMU on s390 supports PCI multibus since forever.
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Signed-off-by: Yi Min Zhao <zyimin@linux.ibm.com>
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Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
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Reviewed-by: Stefan Zimmermann <stzi@linux.ibm.com>
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Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Andrea Bolognani <abologna@redhat.com>
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(cherry picked from commit f49a5e3bf4c275ddb8a60274d6ab941b2f99f553)
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https://bugzilla.redhat.com/show_bug.cgi?id=1508149
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Conflicts:
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* src/qemu/qemu_capabilities.c
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+ context
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- missing fa95035bd4c9
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Message-Id: <20190408085732.28684-4-abologna@redhat.com>
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Reviewed-by: Laine Stump <laine@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_capabilities.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
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index 8ca53abf2b..5539d168cd 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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@@ -1803,6 +1803,10 @@ bool virQEMUCapsHasPCIMultiBus(virQEMUCapsPtr qemuCaps,
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return false;
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}
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+ /* S390 supports PCI-multibus. */
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+ if (ARCH_IS_S390(def->os.arch))
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+ return true;
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+
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/* If 'virt' supports PCI, it supports multibus.
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* No extra conditions here for simplicity.
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*/
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--
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2.22.0
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