2016-08-26 9:16 GMT+08:00 Yang Zhang <yang.zhang.wz@xxxxxxxxx>: > On 2016/8/24 22:36, Benjamin Serebrin wrote: >> >> iommu=off would kill the SWIOTLB as well, while swiotlb=1 consumes 1MB. >> >> However, maintaining guests' kernel commandlines is something we'd >> like to stay away from if possible. It's certainly a short-term > > > I don't quite understand why stay away from kernel command line. It provides > more flexibility, allowing you to turn on/off it by yourself. I agree with Benjamin, it will result in customers have to tune their guest OSes kernel command line or we supply guest images w/ kernel command line modification. Regards, Wanpeng Li > > >> answer, or something individual customers can choose to do today. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
