[v5,16/16] kvm: Arm in-kernel irqchip support

Submitted by Jan Kiszka on Dec. 15, 2011, 12:33 p.m.

Details

Message ID c446bb4290bee55fd1e8a1466ab6f71f3c09ac28.1323952403.git.jan.kiszka@siemens.com
State New
Headers show

Commit Message

Jan Kiszka Dec. 15, 2011, 12:33 p.m.
Make the basic in-kernel irqchip support selectable via
-machine ...,kernel_irqchip=on. Leave it off by default until it can
fully replace user space models.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 qemu-config.c   |    4 ++++
 qemu-options.hx |    5 ++++-
 2 files changed, 8 insertions(+), 1 deletions(-)

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diff --git a/qemu-config.c b/qemu-config.c
index 597d7e1..a761bea 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -490,6 +490,10 @@  static QemuOptsList qemu_machine_opts = {
             .name = "accel",
             .type = QEMU_OPT_STRING,
             .help = "accelerator list",
+        }, {
+            .name = "kernel_irqchip",
+            .type = QEMU_OPT_BOOL,
+            .help = "use KVM in-kernel irqchip",
         },
         { /* End of list */ }
     },
diff --git a/qemu-options.hx b/qemu-options.hx
index 681eaf1..60b7dc0 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -31,7 +31,8 @@  DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
     "-machine [type=]name[,prop[=value][,...]]\n"
     "                selects emulated machine (-machine ? for list)\n"
     "                property accel=accel1[:accel2[:...]] selects accelerator\n"
-    "                supported accelerators are kvm, xen, tcg (default: tcg)\n",
+    "                supported accelerators are kvm, xen, tcg (default: tcg)\n"
+    "                kernel_irqchip=on|off controls accelerated irqchip support\n",
     QEMU_ARCH_ALL)
 STEXI
 @item -machine [type=]@var{name}[,prop=@var{value}[,...]]
@@ -44,6 +45,8 @@  This is used to enable an accelerator. Depending on the target architecture,
 kvm, xen, or tcg can be available. By default, tcg is used. If there is more
 than one accelerator specified, the next one is used if the previous one fails
 to initialize.
+@item kernel_irqchip=on|off
+Enables in-kernel irqchip support for the chosen accelerator when available.
 @end table
 ETEXI