I've found this article: http://coypu.sdf.org/20170525-qemu-smp
On 31.05.2017 08:51, Jaromír Doleček wrote: > You rock! Thank you. > > 2017-05-31 2:19 GMT+02:00 Maya Rashish <m...@netbsd.org > <mailto:m...@netbsd.org>>: > > Module Name: src > Committed By: maya > Date: Wed May 31 00:19:17 UTC 2017 > > Modified Files: > src/sys/arch/x86/x86: cpu.c > > Log Message: > Do not pause many times between testing if the CPU can go. > > This only impacts QEMU as QEMU's implementation of pause is > significantly slower than its implementation of nop. > > PR kern/51623: running qemu-x86_64 with -smp 4 - the additional > CPUs don't start. > > > To generate a diff of this commit: > cvs rdiff -u -r1.125 -r1.126 src/sys/arch/x86/x86/cpu.c > > Please note that diffs are not public domain; they are subject to the > copyright notices on the relevant files. > >
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