diff mbox series

[06/14] MIPS: mm: Move drop_mmu_context() comment into appropriate block

Message ID 20190202014242.30680-7-paul.burton@mips.com (mailing list archive)
State Mainlined
Commit 6067d47e36f4a3aa691f7b1f91e438cd289ecb8f
Headers show
Series MIPS: MemoryMapID (MMID) & GINVT Support | expand

Commit Message

Paul Burton Feb. 2, 2019, 1:43 a.m. UTC
drop_mmu_context() is preceded by a comment indicating what happens if
the mm provided is currently active on the local CPU. Move that comment
into the block that executes in this case, adjusting slightly to reflect
its new location.

Signed-off-by: Paul Burton <paul.burton@mips.com>
---

 arch/mips/include/asm/mmu_context.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index 1b8392dcd354..752ebda82cdd 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -173,10 +173,6 @@  static inline void destroy_context(struct mm_struct *mm)
 #define activate_mm(prev, next)	switch_mm(prev, next, current)
 #define deactivate_mm(tsk, mm)	do { } while (0)
 
-/*
- * If mm is currently active_mm, we can't really drop it.  Instead,
- * we will get a new one for it.
- */
 static inline void
 drop_mmu_context(struct mm_struct *mm)
 {
@@ -188,7 +184,11 @@  drop_mmu_context(struct mm_struct *mm)
 	cpu = smp_processor_id();
 	if (!cpu_context(cpu, mm)) {
 		/* no-op */
-	} else if (cpumask_test_cpu(cpu, mm_cpumask(mm)))  {
+	} else if (cpumask_test_cpu(cpu, mm_cpumask(mm))) {
+		/*
+		 * mm is currently active, so we can't really drop it.
+		 * Instead we bump the ASID.
+		 */
 		htw_stop();
 		get_new_mmu_context(mm);
 		write_c0_entryhi(cpu_asid(cpu, mm));