Page MenuHomeFreeBSD

Set LG_VADDR to 48 on RISC-V.
ClosedPublic

Authored by brooks on May 1 2020, 10:08 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sat, Sep 5, 2:26 PM
Unknown Object (File)
Wed, Sep 2, 11:12 AM
Unknown Object (File)
Wed, Sep 2, 11:12 AM
Unknown Object (File)
Wed, Aug 19, 2:00 PM
Unknown Object (File)
Wed, Aug 19, 8:57 AM
Unknown Object (File)
Wed, Aug 19, 8:53 AM
Unknown Object (File)
Wed, Aug 19, 7:39 AM
Unknown Object (File)
Aug 10 2026, 12:34 AM
Subscribers

Details

Summary

The Sv48 PTE format is the largest currently defined address space for
RISC-V. It makes no sense to define a larger size and doing so (at
least for 64-bits) forces rtrees down a slow path.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

brooks created this revision.

There should likely be a corresponding change to the configure script upstream (probably duplicating the arm64 case).

This revision is now accepted and ready to land.May 1 2020, 10:18 PM
This revision was automatically updated to reflect the committed changes.