deadlock: page fault handler fails to lock process in readv() syscall. - Githubissues

oscourse-tsinghua / rcore_plus

Rust version of THU uCore OS. Linux compatible.

MIT License

172 stars 26 forks source link

deadlock: page fault handler fails to lock process in readv() syscall. #17

Closed jiegec closed 5 years ago

jiegec commented 5 years ago

Solutions:

Map delay-mapped pages in check(mut)ptr
Drop lock explicitly
Make lock reentrant

jiegec commented 5 years ago

We use No. 2 solution for now.