Chuandong Li

icon indicating an email [email protected]

icon company Peking University icon location Beijing icon location Peking University Computer College student, research direction is operating system and virtualization.

Results 6 comments of Chuandong Li

Support `VmMapping::resize`

@cchanging I need your input on this issue.

Add condition variable implementation

> ld you double check the correctness of `Condvar` under concurrency? Also, whether the implementation can be further simplified. T OK. I will take a look.

Add condition variable implementation

I have no objections regarding the current correctness as all counter modifications are protected under a `SpinLock`. Additionally, I think the current implementation indeed meets the description provided in the...

Fix a deadlock issue in ramfs

> I think we should implement the `PageCacheBackend` for the metadata of `RamInode`, which can fix the deadlock issue. > > This fix cannot guarantee the concurrency of `resize`.May result...

[BUG] `fork` leads to memory leaks?

I will take a look at this.

[BUG] Resizing vmo of page cache hangs

I've tracked the call process where 437.leslie3d hangs, and it actually results in a deadlock, as shown below: Initially, a read lock is obtained in `RamInode::resize()` method and is then...