How to remove this patch?

[arminask]

Hello, I noticed that this patch removes a lot of performance from the VM, how would I go about uninstalling it?

[zhaodice]

reinstall 。
for example:
apt reinstall qemu-system-x86

[arminask]

reinstall 。 for example: apt reinstall qemu-system-x86

Does this patch modify qemu-system-x86 package or was this only an example?

[zhaodice]

reinstall 。 for example: apt reinstall qemu-system-x86

Does this patch modify qemu-system-x86 package or was this only an example?

different linux,different install command, you just reinstall qemu-system-x86 package from official sources