Hi,
The following patch fixes the ia64_pal_prefetch_visibility function to
take a transaction type argument for either virtual or physical memory
as specified in the System Architechture Manual page 2:358.
Signed-Off-By: Jes Sorensen <[EMAIL PROTECTED]>
Cheers,
Jes
--- linux-2.6.10-mm2-vanilla/include/asm-ia64/pal.h 2004-12-24 13:35:01
-08:00
+++ linux-2.6.10-mm2/include/asm-ia64/pal.h 2005-01-19 05:42:53 -08:00
@@ -66,7 +66,7 @@
#define PAL_CACHE_PROT_INFO 38 /* get i/d cache protection info */
#define PAL_REGISTER_INFO 39 /* return AR and CR register
information*/
#define PAL_SHUTDOWN 40 /* enter processor shutdown state */
-#define PAL_PREFETCH_VISIBILITY 41
+#define PAL_PREFETCH_VISIBILITY 41 /* Make Processor Prefetches
Visible */
#define PAL_COPY_PAL 256 /* relocate PAL procedures and PAL PMI
*/
#define PAL_HALT_INFO 257 /* return the low power capabilities of
processor */
@@ -1537,11 +1537,25 @@
return iprv.status;
}
+/*
+ * PAL_PREFETCH_VISIBILITY transaction types
+ */
+#define PAL_VISIBILITY_VIRTUAL 0
+#define PAL_VISIBILITY_PHYSICAL 1
+
+/*
+ * PAL_PREFETCH_VISIBILITY return codes
+ */
+#define PAL_VISIBILITY_OK 1
+#define PAL_VISIBILITY_OK_REMOTE_NEEDED 0
+#define PAL_VISIBILITY_INVAL_ARG -2
+#define PAL_VISIBILITY_ERROR -3
+
static inline s64
-ia64_pal_prefetch_visibility (void)
+ia64_pal_prefetch_visibility (s64 trans_type)
{
struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, 0, 0, 0);
+ PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, trans_type, 0, 0);
return iprv.status;
}
-
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