configs/qemu: enable SMP for x86 & x86_64

This is the 21st century, so enable SMP for them.

[Peter: add note to readme.txt about how emulate a SMP system in QEMU]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/board/qemu/x86/linux-4.3.config b/board/qemu/x86/linux-4.3.config
index 20726c3dc4b357398aa8e3366daec8de4176cca6..4dcc995bfd6e208936387996a3043c5d9fc3ea44 100644 (file)
--- a/board/qemu/x86/linux-4.3.config
+++ b/board/qemu/x86/linux-4.3.config
@@ -1,4 +1,5 @@
 CONFIG_SYSVIPC=y
+CONFIG_SMP=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y

diff --git a/board/qemu/x86/readme.txt b/board/qemu/x86/readme.txt
index da8384aa0a2c0323edd916d50c4c4f1b6ae239d3..62c51b0f998be25e04a96fc40da91a190c017a9c 100644 (file)
--- a/board/qemu/x86/readme.txt
+++ b/board/qemu/x86/readme.txt
@@ -2,6 +2,8 @@ Run the emulation with:
 
   qemu-system-i386 -M pc -kernel output/images/bzImage -drive file=output/images/rootfs.ext2,if=ide,format=raw -append root=/dev/sda -net nic,model=rtl8139 -net user
 
+Optionally add -smp N to emulate a SMP system with N CPUs.
+
 The login prompt will appear in the graphical window.
 
 Tested with QEMU 2.3.0

diff --git a/board/qemu/x86_64/linux-4.3.config b/board/qemu/x86_64/linux-4.3.config
index 20726c3dc4b357398aa8e3366daec8de4176cca6..4dcc995bfd6e208936387996a3043c5d9fc3ea44 100644 (file)
--- a/board/qemu/x86_64/linux-4.3.config
+++ b/board/qemu/x86_64/linux-4.3.config
@@ -1,4 +1,5 @@
 CONFIG_SYSVIPC=y
+CONFIG_SMP=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y

diff --git a/board/qemu/x86_64/readme.txt b/board/qemu/x86_64/readme.txt
index 7c3956334a4809e5a42378c2bce691d4fcaba559..e2be5745ea54175cf983b99451005fdd5b173a3f 100644 (file)
--- a/board/qemu/x86_64/readme.txt
+++ b/board/qemu/x86_64/readme.txt
@@ -2,6 +2,8 @@ Run the emulation with:
 
   qemu-system-x86_64 -M pc -kernel output/images/bzImage -drive file=output/images/rootfs.ext2,if=ide,format=raw -append root=/dev/sda -net nic,model=rtl8139 -net user
 
+Optionally add -smp N to emulate a SMP system with N CPUs.
+
 The login prompt will appear in the graphical window.
 
 Tested with QEMU 2.3.0