Page MenuHomeFreeBSD

arm64: Support pmap_fault with a locked pmap
ClosedPublic

Authored by andrew on Sep 27 2024, 3:49 PM.
Tags
None
Referenced Files
Unknown Object (File)
Wed, Oct 22, 10:11 PM
Unknown Object (File)
Sun, Oct 19, 8:51 PM
Unknown Object (File)
Sun, Oct 19, 8:47 PM
Unknown Object (File)
Sun, Oct 19, 8:37 PM
Unknown Object (File)
Fri, Oct 17, 7:26 AM
Unknown Object (File)
Tue, Oct 14, 6:44 AM
Unknown Object (File)
Sun, Oct 12, 2:27 AM
Unknown Object (File)
Sep 9 2025, 7:31 PM
Subscribers

Details

Summary

When we get a data abort in an EFI runtime service the userspace pmap
will be locked by the current thread. Skip trying to lock it again as
it will be in a critical section and the lock may sleep.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable