Author: br Date: Fri May 10 11:21:57 2019 New Revision: 347427 URL: https://svnweb.freebsd.org/changeset/base/347427
Log: RISC-V ISA does not specify how to manage physical memory attributes (PMA). So do nothing in pmap_page_set_memattr() and don't panic. Reviewed by: markj Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D20209 Modified: head/sys/riscv/riscv/pmap.c Modified: head/sys/riscv/riscv/pmap.c ============================================================================== --- head/sys/riscv/riscv/pmap.c Fri May 10 08:16:29 2019 (r347426) +++ head/sys/riscv/riscv/pmap.c Fri May 10 11:21:57 2019 (r347427) @@ -4200,16 +4200,6 @@ pmap_page_set_memattr(vm_page_t m, vm_memattr_t ma) { m->md.pv_memattr = ma; - - /* - * RISCVTODO: Implement the below (from the amd64 pmap) - * If "m" is a normal page, update its direct mapping. This update - * can be relied upon to perform any cache operations that are - * required for data coherence. - */ - if ((m->flags & PG_FICTITIOUS) == 0 && - PHYS_IN_DMAP(VM_PAGE_TO_PHYS(m))) - panic("RISCVTODO: pmap_page_set_memattr"); } /* _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
