PERFORCE change 96141 for review
Kip Macy
kmacy at FreeBSD.org
Wed Apr 26 05:56:58 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=96141
Change 96141 by kmacy at kmacy_storage:sun4v_rwbuf on 2006/04/26 05:56:20
tsb_lookup_tte only called on kernel context anyway remove check
SCRATCHPAD regs may be RMO - membar #Sync
Affected files ...
.. //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/tsb.c#12 edit
Differences ...
==== //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/tsb.c#12 (text+ko) ====
@@ -168,7 +168,6 @@
tsb_index = (va >> tsb_shift) & TSB_MASK(tsb);
tsb_store_pa = tsb->hvtsb_pa + 2*tsb_index*sizeof(uint64_t);
-
store_real(tsb_store_pa, 0);
store_real(tsb_store_pa + sizeof(uint64_t), 0);
}
@@ -182,7 +181,7 @@
tsb_mask = TSB_MASK(tsb);
tsb_shift = TTE_PAGE_SHIFT(tsb->hvtsb_idxpgsz);
-
+
for (tva = sva; tva < eva; tva += PAGE_SIZE) {
tsb_index = (tva >> tsb_shift) & tsb_mask;
tsb_store_pa = tsb->hvtsb_pa + 2*tsb_index*sizeof(uint64_t);
@@ -190,6 +189,7 @@
store_real(tsb_store_pa, 0);
store_real(tsb_store_pa + sizeof(uint64_t), 0);
}
+
}
tte_t
@@ -220,12 +220,12 @@
tte_t tte_data;
tte_data = 0;
- if (ctx == 0) {
- if ((tte_data = tsb_get_tte(&kernel_td[TSB4M_INDEX], va)) != 0)
- goto done;
- if ((tte_data = tsb_get_tte(&kernel_td[TSB8K_INDEX], va)) != 0)
- goto done;
- }
+
+ if ((tte_data = tsb_get_tte(&kernel_td[TSB4M_INDEX], va)) != 0)
+ goto done;
+ if ((tte_data = tsb_get_tte(&kernel_td[TSB8K_INDEX], va)) != 0)
+ goto done;
+
/*
* handle user data
*/
@@ -241,6 +241,7 @@
tsb_scratch = tsb->hvtsb_pa | tsb_pages;
set_tsb_kernel_scratchpad(tsb_scratch);
+ membar(Sync);
return tsb_scratch;
}
@@ -251,6 +252,6 @@
tsb_pages = tsb->hvtsb_ntte >> (PAGE_SHIFT - TTE_SHIFT);
tsb_scratch = tsb->hvtsb_pa | tsb_pages;
set_tsb_user_scratchpad(tsb_scratch);
-
+ membar(Sync);
return tsb_scratch;
}
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