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[Qemu-devel] [PATCH v13 7/8] allower the user to disable pv event suppor
From: |
Hu Tao |
Subject: |
[Qemu-devel] [PATCH v13 7/8] allower the user to disable pv event support |
Date: |
Thu, 28 Feb 2013 20:13:18 +0800 |
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: Hu Tao <address@hidden>
---
hw/pc_piix.c | 9 ++++++++-
qemu-options.hx | 3 ++-
vl.c | 4 ++++
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 24a9bf3..82a421a 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -44,6 +44,7 @@
#include "exec/memory.h"
#include "exec/address-spaces.h"
#include "cpu.h"
+#include "qemu/config-file.h"
#ifdef CONFIG_XEN
# include <xen/hvm/hvm_info_table.h>
#endif
@@ -86,6 +87,8 @@ static void pc_init1(MemoryRegion *system_memory,
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
void *fw_cfg = NULL;
+ QemuOptsList *list = qemu_find_opts("machine");
+ bool enable_pv_event = false;
pc_cpus_init(cpu_model);
pc_acpi_init("acpi-dsdt.aml");
@@ -218,7 +221,11 @@ static void pc_init1(MemoryRegion *system_memory,
pc_pci_device_init(pci_bus);
}
- if (kvm_enabled()) {
+ if (list && !QTAILQ_EMPTY(&list->head)) {
+ enable_pv_event = qemu_opt_get_bool(QTAILQ_FIRST(&list->head),
+ "enable_pv_event", false);
+ }
+ if (kvm_enabled() && enable_pv_event) {
kvm_pv_event_init(isa_bus);
}
}
diff --git a/qemu-options.hx b/qemu-options.hx
index 797d992..1ad4041 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -35,7 +35,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" kernel_irqchip=on|off controls accelerated irqchip
support\n"
" kvm_shadow_mem=size of KVM shadow MMU\n"
" dump-guest-core=on|off include guest memory in a core
dump (default=on)\n"
- " mem-merge=on|off controls memory merge support (default:
on)\n",
+ " mem-merge=on|off controls memory merge support (default:
on)\n"
+ " enable_pv_event=on|off controls pv event support
(default: off)\n",
QEMU_ARCH_ALL)
STEXI
@item -machine address@hidden,address@hidden,...]]
diff --git a/vl.c b/vl.c
index 51d4922..5b3a279 100644
--- a/vl.c
+++ b/vl.c
@@ -427,6 +427,10 @@ static QemuOptsList qemu_machine_opts = {
.name = "usb",
.type = QEMU_OPT_BOOL,
.help = "Set on/off to enable/disable usb",
+ }, {
+ .name = "enable_pv_event",
+ .type = QEMU_OPT_BOOL,
+ .help = "handle pv event"
},
{ /* End of list */ }
},
--
1.8.1.4
- [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 5/8] add a new qevent: QEVENT_GUEST_PANICKED, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 2/8] start vm after resetting it, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 3/8] update kernel headers, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 4/8] add a new runstate: RUN_STATE_GUEST_PANICKED, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 1/8] save/load cpu runstate, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13] kvm: notify host when the guest is panicked, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 8/8] pv event: add document to describe the usage, Hu Tao, 2013/02/28
- [Qemu-devel] [PATCH v13 7/8] allower the user to disable pv event support,
Hu Tao <=
- [Qemu-devel] [PATCH v13 6/8] introduce a new qom device to deal with panicked event, Hu Tao, 2013/02/28