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| author | Samuel Holland <[email protected]> | 2024-03-27 04:49:54 +0000 |
|---|---|---|
| committer | Palmer Dabbelt <[email protected]> | 2024-04-29 17:49:36 +0000 |
| commit | daef19263fc102551d734f39d9ad417098ffb360 (patch) | |
| tree | 176ad901b7512769856c468ef91620275a91c81f /scripts/generate_rust_target.rs | |
| parent | riscv: mm: Preserve global TLB entries when switching contexts (diff) | |
| download | kernel-daef19263fc102551d734f39d9ad417098ffb360.tar.gz kernel-daef19263fc102551d734f39d9ad417098ffb360.zip | |
riscv: mm: Always use an ASID to flush mm contexts
Even if multiple ASIDs are not supported, using the single-ASID variant
of the sfence.vma instruction preserves TLB entries for global (kernel)
pages. So it is always more efficient to use the single-ASID code path.
Reviewed-by: Alexandre Ghiti <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
Diffstat (limited to 'scripts/generate_rust_target.rs')
0 files changed, 0 insertions, 0 deletions