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xtensa: memory domains: reuse page tables until changes are made #96235

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xtensa: memory domains: reuse page tables until changes are made #96235

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7d88c58
soc: cdns/dc233c: linker: add snippets-text-sections.ld
dcpleung Oct 8, 2025
a6ce218
xtensa: mmu: unify PTE macros
dcpleung Oct 8, 2025
4ec10d6
xtensa: mmu: skip PTE SW field redirection
dcpleung Oct 9, 2025
0b6900b
xtensa: mmu: move PTE macros into source file
dcpleung Oct 9, 2025
2b05aea
xtensa: mmu: remove XTENSA_ prefix for page table array macros
dcpleung Oct 9, 2025
f277453
xtensa: mmu/ptables: rework TLB invalidation on L2 unmap
dcpleung Aug 13, 2025
d9635e7
xtensa: mmu: no need for cache ops if page tables are not cached
dcpleung Oct 10, 2025
1ad3bab
xtensa: mmu/ptables: conserve memory by using COW on L2 tables
dcpleung Oct 10, 2025
864b236
xtensa: mmu: add page table usage statistics
dcpleung Sep 19, 2025
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6 changes: 6 additions & 0 deletions arch/xtensa/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -258,6 +258,12 @@ config XTENSA_MMU_FLUSH_AUTOREFILL_DTLBS_ON_SWAP
This flushes (invalidates) all auto-refill data TLBs when page
tables are swapped.

config XTENSA_MMU_PAGE_TABLE_STATS
bool "Page table statistics"
help
Enable this for page table statistics, including current usage and
maximum number of page tables used.

endif # XTENSA_MMU

endif # CPU_HAS_MMU
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