diff options
| author | Samuel Holland <samuel.holland@sifive.com> | 2024-03-26 21:49:54 -0700 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-04-29 10:49:36 -0700 |
| commit | daef19263fc102551d734f39d9ad417098ffb360 (patch) | |
| tree | 176ad901b7512769856c468ef91620275a91c81f /drivers/clocksource/timer-clint.c | |
| parent | 8fc21cc672e8ea7954fdc6b59d9ce350730e9c92 (diff) | |
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 <alexghiti@rivosinc.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240327045035.368512-14-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'drivers/clocksource/timer-clint.c')
0 files changed, 0 insertions, 0 deletions