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Differential D26607

riscv pmap: zero reserved pte bits in ppn for l2 leaf entries, too
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Authored by freebsdphab-AX9_cmx.ietfng.org on Sep 30 2020, 12:35 PM.

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kp
mhorne
jhb

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rS366794: riscv: zero reserved PTE bits for L2 PTEs

Summary

D25523 / 0f7e7ff80e960e90a9acfc3e417465a7a0428e3c masked out the reserved bits from PTEs for the smallest page size. Do the same for larger pages.

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freebsdphab-AX9_cmx.ietfng.org created this revision.Sep 30 2020, 12:35 PM

Herald added a subscriber: imp. · View Herald TranscriptSep 30 2020, 12:35 PM

freebsdphab-AX9_cmx.ietfng.org requested review of this revision.Sep 30 2020, 12:35 PM

mhorne added inline comments.Sep 30 2020, 1:11 PM

sys/riscv/riscv/pmap.c
344	It is fine to name it `L2PTE_TO_PHYS` I think. Generally within the riscv pmap we refer to leaf entries of any size as PTEs and non-leaf entries as PDEs (page directory entries).

Renamed macro as per mhorne's feedback

freebsdphab-AX9_cmx.ietfng.org marked an inline comment as done.Oct 8 2020, 11:37 PM

kp accepted this revision.Oct 9 2020, 9:46 AM

This revision is now accepted and ready to land.Oct 9 2020, 9:46 AM

mhorne accepted this revision.Oct 9 2020, 1:05 PM

Closed by commit rS366794: riscv: zero reserved PTE bits for L2 PTEs (authored by mhorne). · Explain WhyOct 17 2020, 5:31 PM

This revision was automatically updated to reflect the committed changes.

mhorne added a commit: rS366794: riscv: zero reserved PTE bits for L2 PTEs.

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sys/

riscv/

riscv/

8 lines

Diff 78031

sys/riscv/riscv/pmap.c

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