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From 5c8790b9bad2d9bf9c37db8eaae1f8764ed41214 Mon Sep 17 00:00:00 2001
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Message-Id: <5c8790b9bad2d9bf9c37db8eaae1f8764ed41214@dist-git>
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From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Fri, 6 Jul 2018 15:46:58 +0100
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Subject: [PATCH] qemu: don't use chardev FD passing with standalone args
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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=1598281
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When using domxml-to-native, we must generate CLI args that can be used
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in a standalone scenario. This means no FD passing can be used. To
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achieve this we must clear the QEMU_CAPS_CHARDEV_FD_PASS capability bit.
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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(cherry picked from commit 7ac08cc929dc512e8682fbfcc5d33518058f20e4)
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/qemu/qemu_process.c | 5 +++++
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 src/qemu/qemu_process.h | 2 ++
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 2 files changed, 7 insertions(+)
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index ac32dafcbe..40d35cbe6b 100644
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--- a/src/qemu/qemu_process.c
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+++ b/src/qemu/qemu_process.c
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@@ -5124,6 +5124,9 @@ qemuProcessInit(virQEMUDriverPtr driver,
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                                                       vm->def->os.machine)))
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         goto cleanup;
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+    if (flags & VIR_QEMU_PROCESS_START_STANDALONE)
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+        virQEMUCapsClear(priv->qemuCaps, QEMU_CAPS_CHARDEV_FD_PASS);
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+
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     if (qemuDomainUpdateCPU(vm, updatedCPU, &origCPU) < 0)
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         goto cleanup;
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@@ -6632,6 +6635,8 @@ qemuProcessCreatePretendCmd(virQEMUDriverPtr driver,
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     flags |= VIR_QEMU_PROCESS_START_PRETEND;
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     flags |= VIR_QEMU_PROCESS_START_NEW;
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+    if (standalone)
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+        flags |= VIR_QEMU_PROCESS_START_STANDALONE;
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     if (qemuProcessInit(driver, vm, NULL, QEMU_ASYNC_JOB_NONE,
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                         !!migrateURI, flags) < 0)
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diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
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index 531c2a0cc7..07ce3a9915 100644
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--- a/src/qemu/qemu_process.h
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+++ b/src/qemu/qemu_process.h
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@@ -81,6 +81,8 @@ typedef enum {
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     VIR_QEMU_PROCESS_START_PRETEND      = 1 << 3,
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     VIR_QEMU_PROCESS_START_NEW          = 1 << 4, /* internal, new VM is starting */
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     VIR_QEMU_PROCESS_START_GEN_VMID     = 1 << 5, /* Generate a new VMID */
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+    VIR_QEMU_PROCESS_START_STANDALONE   = 1 << 6, /* Require CLI args to be usable standalone,
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+                                                     ie no FD passing and the like */
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 } qemuProcessStartFlags;
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 int qemuProcessStart(virConnectPtr conn,
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-- 
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2.18.0
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