From 17f5353ed2aace4702bf831e378c9697d5520c1e Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Sat, 27 Apr 2019 21:39:55 +0100
Subject: vm: Pass -smp to QEMU to allow use of multiple cores.

* gnu/build/vm.scm (load-in-linux-vm): Pass (parallel-job-count) to QEMU with
-smp to allow using multiple cores.
---
 gnu/build/vm.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 372cf63c68..ac99d6b1a3 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -145,6 +145,7 @@ the #:references-graphs parameter of 'derivation'."
     (_ #f))
 
   (apply invoke qemu "-nographic" "-no-reboot"
+         "-smp" (number->string (parallel-job-count))
          "-m" (number->string memory-size)
          "-object" "rng-random,filename=/dev/urandom,id=guixsd-vm-rng"
          "-device" "virtio-rng-pci,rng=guixsd-vm-rng"
-- 
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