Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

vsyscall avoids CPU mode switch not context switch #681

Open
skepticfx opened this issue Jul 15, 2019 · 0 comments
Open

vsyscall avoids CPU mode switch not context switch #681

skepticfx opened this issue Jul 15, 2019 · 0 comments
Labels
need-clarification

Comments

@skepticfx
Copy link

Thanks for this great Gitbook. Well written.

The vsyscalls chapter talks about context switch and switching contexts. Isn't this the actual CPU mode switch(user vs kernel mode) rather than the context switch used for switching between processes itself?

https://github.com/0xAX/linux-insides/blame/master/SysCall/linux-syscall-3.md#L27
@skepticfx skepticfx changed the title vsyscall avoids mode switch not context switch vsyscall avoids CPU mode switch not context switch Jul 15, 2019
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
need-clarification
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
2 participants
@skepticfx @0xAX