libvirt/SOURCES/libvirt-qemu-don-t-use-chardev-FD-passing-with-standalone-args.patch
2021-09-10 11:57:18 +00:00

64 lines
2.5 KiB
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From bce02fd2af85630615cc0c46d64db7b7e1023171 Mon Sep 17 00:00:00 2001
Message-Id: <bce02fd2af85630615cc0c46d64db7b7e1023171@dist-git>
From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
Date: Fri, 6 Jul 2018 15:46:58 +0100
Subject: [PATCH] qemu: don't use chardev FD passing with standalone args
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
https://bugzilla.redhat.com/show_bug.cgi?id=1598281
When using domxml-to-native, we must generate CLI args that can be used
in a standalone scenario. This means no FD passing can be used. To
achieve this we must clear the QEMU_CAPS_CHARDEV_FD_PASS capability bit.
Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit 7ac08cc929dc512e8682fbfcc5d33518058f20e4)
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
---
src/qemu/qemu_process.c | 5 +++++
src/qemu/qemu_process.h | 2 ++
2 files changed, 7 insertions(+)
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ac32dafcbe..40d35cbe6b 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -5124,6 +5124,9 @@ qemuProcessInit(virQEMUDriverPtr driver,
vm->def->os.machine)))
goto cleanup;
+ if (flags & VIR_QEMU_PROCESS_START_STANDALONE)
+ virQEMUCapsClear(priv->qemuCaps, QEMU_CAPS_CHARDEV_FD_PASS);
+
if (qemuDomainUpdateCPU(vm, updatedCPU, &origCPU) < 0)
goto cleanup;
@@ -6632,6 +6635,8 @@ qemuProcessCreatePretendCmd(virQEMUDriverPtr driver,
flags |= VIR_QEMU_PROCESS_START_PRETEND;
flags |= VIR_QEMU_PROCESS_START_NEW;
+ if (standalone)
+ flags |= VIR_QEMU_PROCESS_START_STANDALONE;
if (qemuProcessInit(driver, vm, NULL, QEMU_ASYNC_JOB_NONE,
!!migrateURI, flags) < 0)
diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
index 531c2a0cc7..07ce3a9915 100644
--- a/src/qemu/qemu_process.h
+++ b/src/qemu/qemu_process.h
@@ -81,6 +81,8 @@ typedef enum {
VIR_QEMU_PROCESS_START_PRETEND = 1 << 3,
VIR_QEMU_PROCESS_START_NEW = 1 << 4, /* internal, new VM is starting */
VIR_QEMU_PROCESS_START_GEN_VMID = 1 << 5, /* Generate a new VMID */
+ VIR_QEMU_PROCESS_START_STANDALONE = 1 << 6, /* Require CLI args to be usable standalone,
+ ie no FD passing and the like */
} qemuProcessStartFlags;
int qemuProcessStart(virConnectPtr conn,
--
2.18.0