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authorJohn Baldwin <jhb@FreeBSD.org>2006-05-01 21:36:47 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2006-05-01 21:36:47 +0000
commit4ac60df584795b81cdfe42fcd5b932e71c73aca7 (patch)
tree3a0d26aaaeb23a38ebdd2566fd5bdbc8c7bde43f /sys/amd64/include/pmap.h
parentada5d7d5b0774b24144324b63469431094c4dd26 (diff)
downloadsrc-4ac60df584795b81cdfe42fcd5b932e71c73aca7.tar.gz
src-4ac60df584795b81cdfe42fcd5b932e71c73aca7.zip
Add a new 'pmap_invalidate_cache()' to flush the CPU caches via the
wbinvd() instruction. This includes a new IPI so that all CPU caches on all CPUs are flushed for the SMP case. MFC after: 1 month
Notes
Notes: svn path=/head/; revision=158236
Diffstat (limited to 'sys/amd64/include/pmap.h')
-rw-r--r--sys/amd64/include/pmap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h
index 49e3139ccf40..0a774c721158 100644
--- a/sys/amd64/include/pmap.h
+++ b/sys/amd64/include/pmap.h
@@ -309,6 +309,7 @@ void pmap_unmapdev(vm_offset_t, vm_size_t);
void pmap_invalidate_page(pmap_t, vm_offset_t);
void pmap_invalidate_range(pmap_t, vm_offset_t, vm_offset_t);
void pmap_invalidate_all(pmap_t);
+void pmap_invalidate_cache(void);
#endif /* _KERNEL */