June 20, 2013
1:40 p.m.
Since you asked this question by phone, we search your email address and found your questions here. On 06/20/2013 06:01 PM, Fan Yang wrote:
Hi Baoquan: Thank you for your answer. That is to say the designer use __USER_DS here deliberately to improve the efficiency jump from kernel space to user space? BTW,how can you find this email? I write this email On 10/24/2012.