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From 861a1a4d299c57f31fa091c6b74cddf80681bdf0 Mon Sep 17 00:00:00 2001
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Message-Id: <861a1a4d299c57f31fa091c6b74cddf80681bdf0@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Mon, 17 Dec 2018 20:42:33 -0500
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Subject: [PATCH] qemu: Alter qemuSetUnprivSGIO hostdev shareable logic
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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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https://bugzilla.redhat.com/show_bug.cgi?id=1656362 (RHEL8)
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https://bugzilla.redhat.com/show_bug.cgi?id=1656360 (RHEL7)
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RHEL-only
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Fix the logic to handle the case where if the <shareable/> element
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was removed from the domain <hostdev.../>, then we have to reset the
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SGIO value back to 0. Without this patch the check for not shareable
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and return 0 would bypass resetting the value back to 0.
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_conf.c | 7 +++----
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1 file changed, 3 insertions(+), 4 deletions(-)
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diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
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index de0cbca083..5971f3eb64 100644
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--- a/src/qemu/qemu_conf.c
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+++ b/src/qemu/qemu_conf.c
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@@ -1667,9 +1667,6 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
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} else if (dev->type == VIR_DOMAIN_DEVICE_HOSTDEV) {
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hostdev = dev->data.hostdev;
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- if (!qemuIsSharedHostdev(hostdev))
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- return 0;
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-
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if (!(hostdev_path = qemuGetHostdevPath(hostdev)))
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goto cleanup;
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@@ -1686,7 +1683,9 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
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disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED) {
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val = 1;
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} else {
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- if (hostdev->source.subsys.u.scsi.sgio ==
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+ /* Only settable if <shareable/> was present for hostdev */
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+ if (qemuIsSharedHostdev(hostdev) &&
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+ hostdev->source.subsys.u.scsi.sgio ==
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VIR_DOMAIN_DEVICE_SGIO_UNFILTERED)
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val = 1;
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}
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--
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2.20.1
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