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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-03-01 22:42:18 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:14:13 -0800 |
| commit | 45f791eb0f03e760183d30d3f1f18dc2b8e902fe (patch) | |
| tree | 05ef47c68b45202106b70c1f28d4935a2c6115fb /arch/sparc64/kernel/sun4v_tlb_miss.S | |
| parent | 92daa77e9a829350fd3900ff58d9c69820ad0e3d (diff) | |
| download | blackbird-op-linux-45f791eb0f03e760183d30d3f1f18dc2b8e902fe.tar.gz blackbird-op-linux-45f791eb0f03e760183d30d3f1f18dc2b8e902fe.zip | |
[SPARC64]: Fix _PAGE_EXEC handling.
First of all, use the known _PAGE_EXEC_{4U,4V} value instead
of loading _PAGE_EXEC from memory. We either know which one
to use by context, or we can code patch the test.
Next, we need to check executability of a PTE in the generic
TSB miss handler.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/sun4v_tlb_miss.S')
| -rw-r--r-- | arch/sparc64/kernel/sun4v_tlb_miss.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/sparc64/kernel/sun4v_tlb_miss.S b/arch/sparc64/kernel/sun4v_tlb_miss.S index 3dccbd67818a..3eed8db96848 100644 --- a/arch/sparc64/kernel/sun4v_tlb_miss.S +++ b/arch/sparc64/kernel/sun4v_tlb_miss.S @@ -58,11 +58,9 @@ sun4v_itlb_miss: /* Load TSB tag/pte into %g2/%g3 and compare the tag. */ ldda [%g1] ASI_QUAD_LDD_PHYS_4V, %g2 cmp %g2, %g6 - sethi %hi(PAGE_EXEC), %g7 - ldx [%g7 + %lo(PAGE_EXEC)], %g7 bne,a,pn %xcc, tsb_miss_page_table_walk mov FAULT_CODE_ITLB, %g3 - andcc %g3, %g7, %g0 + andcc %g3, _PAGE_EXEC_4V, %g0 be,a,pn %xcc, tsb_do_fault mov FAULT_CODE_ITLB, %g3 |
