Criticism of Linux rise in prominence of operating system-level virtualization using Linux has raised the profile of attacks against the kernel, and that Linus Torvalds is reticent to add mitigations against kernel-level attacks in official releases. Linux 4.12, released in 2017, enabled KASLR by default, but its effectiveness is debated. Con Kolivas, a former kernel developer, tried to optimize the kernel scheduler for interactive desktop use. He finally dropped the support for his patches due to the lack of appreciation for his development. In the 2007 interview "Why I quit: kernel developer Con Kolivas" he stated: At LinuxCon 2009, Linux creator Linus Torvalds
Linus Torvalds 2010, Torvalds became a United States citizen and registered to vote in the United States. He is unaffiliated with any U.S. political party, saying, "I have way too much personal pride to want to be associated with any of them, quite frankly." Linus developed an interest in scuba diving in the early 2000s and went on to achieve numerous certifications, which later led to him creating the Subsurface project. "Time" magazine has recognized Torvalds multiple times: "InfoWorld" presented him with the 2000 Award for Industry Achievement. In 2005, Torvalds appeared as one of "the best managers" in a survey by