[src/sommerfeld_i386mp_1]: src/sys/arch/i386/include MP: preliminary TLB shoo...

[sommerfeld <sommerfeld%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a4cd893985eb
branches:  sommerfeld_i386mp_1
changeset: 482164:a4cd893985eb
user:      sommerfeld <sommerfeld%NetBSD.org@localhost>
date:      Sun Feb 20 17:45:52 2000 +0000

description:
MP: preliminary TLB shootdown support.

Note that the pmap previously had its own idea of a deferred
invalidation queue; use the TLB shootdown queue mechanism for this as
well.

diffstat:

 sys/arch/i386/include/pmap.h |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (44 lines):

diff -r 736721c9b150 -r a4cd893985eb sys/arch/i386/include/pmap.h
--- a/sys/arch/i386/include/pmap.h      Sun Feb 20 17:44:43 2000 +0000
+++ b/sys/arch/i386/include/pmap.h      Sun Feb 20 17:45:52 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.h,v 1.43 2000/02/11 07:00:13 thorpej Exp $        */
+/*     $NetBSD: pmap.h,v 1.43.2.1 2000/02/20 17:45:52 sommerfeld Exp $ */
 
 /*
  *
@@ -143,6 +143,7 @@
  * note that in the APTE_BASE space, the APDP appears at VA
  * "APDP_BASE" (0xfffff000).
  */
+/* XXX MP should we allocate one APDP_PDE per processor?? */
 
 /*
  * the following defines identify the slots used as described above.
@@ -336,11 +337,12 @@
  */
 
 #define PMAP_RR_MAX    16      /* max of 16 pages (64K) */
-
+#if 0
 struct pmap_remove_record {
        int prr_npages;
        vaddr_t prr_vas[PMAP_RR_MAX];
 };
+#endif
 
 /*
  * pmap_transfer_location: used to pass the current location in the
@@ -406,6 +408,12 @@
 
 vaddr_t reserve_dumppages __P((vaddr_t)); /* XXX: not a pmap fn */
 
+#if defined(MULTIPROCESSOR)
+void   pmap_tlb_shootdown __P((pmap_t, vaddr_t, pt_entry_t));
+#endif /* MULTIPROCESSOR */
+void   pmap_tlb_dshootdown __P((pmap_t, vaddr_t, pt_entry_t));
+void   pmap_do_tlb_shootdown __P((void));
+
 #define PMAP_GROWKERNEL                /* turn on pmap_growkernel interface */
 
 /*