riscv: mm: Fix code comment
Fix the comment since vmalloc_fault doesn't reach
flush_tlb_fix_spurious_fault.
Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: linux-riscv@lists.infradead.org
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 3e2708c..f960c3f 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -272,9 +272,6 @@
* entries, but in RISC-V, SFENCE.VMA specifies an
* ordering constraint, not a cache flush; it is
* necessary even after writing invalid entries.
- * Relying on flush_tlb_fix_spurious_fault would
- * suffice, but the extra traps reduce
- * performance. So, eagerly SFENCE.VMA.
*/
local_flush_tlb_page(addr);