Changeset 3063d56 in mainline

Timestamp:

2009-12-07T22:39:58Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

63c4e28

Parents:

216cb85

Message:

Do not flush TLB every time a thread is scheduled. Flush TLB only when a new
address space is installed.

Location:

kernel/arch/arm32

Files:

• include/mm/as.h (modified) (1 diff)
• src/arm32.c (modified) (1 diff)
• src/mm/as.c (modified) (2 diffs)

kernel/arch/arm32/include/mm/as.h

@@ -54 +54 @@
 #define as_destructor_arch(as)                  (as != as)
 #define as_create_arch(as, flags)               (as != as)
-#define as_install_arch(as)
 #define as_deinstall_arch(as)
 #define as_invalidate_translation_cache(as, page, cnt)

kernel/arch/arm32/src/arm32.c

@@ -140 +140 @@
         uint8_t *stck;
         
-        tlb_invalidate_all();
         stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
         supervisor_sp = (uintptr_t) stck;

kernel/arch/arm32/src/mm/as.c

@@ -39 +39 @@
 #include <genarch/mm/asid_fifo.h>
 #include <mm/as.h>
+#include <mm/tlb.h>
 #include <arch.h>
 
@@ -50 +51 @@
 }
 
+void as_install_arch(as_t *as)
+{
+        tlb_invalidate_all();
+}
+
 /** @}
  */