QB_SMP: allow user modification

Allow a user to override the QM_SMP value giving them the opportunity to
select for themselves the number of CPUs to use in qemu.

(From OE-Core rev: 70a91e6d0357149c00b97f7e66e16cbc52997a92)

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

5 files changed, 5 insertions, 5 deletions

diff --git a/meta/conf/machine/include/riscv/qemuriscv.inc b/meta/conf/machine/include/riscv/qemuriscv.inc
index 1d32b4a582..c977a266ca 100644
--- a/meta/conf/machine/include/riscv/qemuriscv.inc
+++ b/meta/conf/machine/include/riscv/qemuriscv.inc
@@ -26,7 +26,7 @@ UBOOT_ENTRYPOINT:riscv32 = "0x80400000"
 UBOOT_ENTRYPOINT:riscv64 = "0x80200000"
 
 # qemuboot options
-QB_SMP = "-smp 4"
+QB_SMP ?= "-smp 4"
 QB_KERNEL_CMDLINE_APPEND = "earlycon=sbi"
 QB_MACHINE = "-machine virt"
 QB_DEFAULT_BIOS = "fw_jump.elf"
diff --git a/meta/conf/machine/include/x86/qemuboot-x86.inc b/meta/conf/machine/include/x86/qemuboot-x86.inc
index 3953679366..dd7e7c9384 100644
--- a/meta/conf/machine/include/x86/qemuboot-x86.inc
+++ b/meta/conf/machine/include/x86/qemuboot-x86.inc
@@ -1,6 +1,6 @@
 # For runqemu
 IMAGE_CLASSES += "qemuboot"
-QB_SMP = "-smp 4"
+QB_SMP ?= "-smp 4"
 QB_CPU:x86 = "-cpu IvyBridge -machine q35,i8042=off"
 QB_CPU_KVM:x86 = "-cpu IvyBridge -machine q35,i8042=off"
 
diff --git a/meta/conf/machine/qemuarm.conf b/meta/conf/machine/qemuarm.conf
index 1bd4e3e154..c5234231e2 100644
--- a/meta/conf/machine/qemuarm.conf
+++ b/meta/conf/machine/qemuarm.conf
@@ -16,7 +16,7 @@ SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 QB_SYSTEM_NAME = "qemu-system-arm"
 QB_MACHINE = "-machine virt,highmem=off"
 QB_CPU = "-cpu cortex-a15"
-QB_SMP = "-smp 4"
+QB_SMP ?= "-smp 4"
 # Standard Serial console
 QB_KERNEL_CMDLINE_APPEND = "vmalloc=256"
 # For graphics to work we need to define the VGA device as well as the necessary USB devices
diff --git a/meta/conf/machine/qemuarm64.conf b/meta/conf/machine/qemuarm64.conf
index ffc51c803f..2f0f0e4f84 100644
--- a/meta/conf/machine/qemuarm64.conf
+++ b/meta/conf/machine/qemuarm64.conf
@@ -16,7 +16,7 @@ SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 QB_SYSTEM_NAME = "qemu-system-aarch64"
 QB_MACHINE = "-machine virt"
 QB_CPU = "-cpu cortex-a57"
-QB_SMP = "-smp 4"
+QB_SMP ?= "-smp 4"
 QB_CPU_KVM = "-cpu host -machine gic-version=3"
 # For graphics to work we need to define the VGA device as well as the necessary USB devices
 QB_GRAPHICS = "-device virtio-gpu-pci"
diff --git a/meta/conf/machine/qemuppc64.conf b/meta/conf/machine/qemuppc64.conf
index 7709339313..2fbd26a6f9 100644
--- a/meta/conf/machine/qemuppc64.conf
+++ b/meta/conf/machine/qemuppc64.conf
@@ -13,7 +13,7 @@ SERIAL_CONSOLES ?= "115200;hvc0"
 QB_SYSTEM_NAME = "qemu-system-ppc64"
 QB_MACHINE = "-machine pseries"
 QB_CPU = "-cpu POWER9"
-QB_SMP = "-smp 2"
+QB_SMP ?= "-smp 2"
 
 QB_NFSROOTFS_EXTRA_OPT = "wsize=524288,rsize=524288"
 QB_KERNEL_CMDLINE_APPEND = "console=hvc0 nohugevmalloc"