oscourse-tsinghua / rcore_plus

Rust version of THU uCore OS. Linux compatible.

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

jiegec opened this issue 5 years ago · comments

Chen commented 5 years ago

Chen commented 5 years ago

Solutions:

Map delay-mapped pages in check_(mut_)ptr
Drop lock explicitly
Make lock reentrant

Chen commented 5 years ago

We use No. 2 solution for now.