[PATCH 06/28] i386/i386/db_interface.c (db_write_bytes): simplify code

[Marin Ramesa]

Remove assignments without any effect and unnecessary variables.

* i386/i386/db_interface.c (db_write_bytes) (oldmap0, addr1, ptep1, oldmap1): 
Remove variables.
(db_write_bytes) (oldmap0, ptep0): Remove assignment.
(db_write_bytes) (addr1, ptep1, oldmap1): Remove assignments.
(db_write_bytes) (oldmap0, ptep0, ptep1, oldmap1): Remove assignments.

---
 i386/i386/db_interface.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/i386/i386/db_interface.c b/i386/i386/db_interface.c
index 90ebf06..fd73c43 100644
--- a/i386/i386/db_interface.c
+++ b/i386/i386/db_interface.c
@@ -507,10 +507,6 @@ db_write_bytes(
        char            *dst;
 
        pt_entry_t *ptep0 = 0;
-       pt_entry_t      oldmap0 = 0;
-       vm_offset_t     addr1;
-       pt_entry_t *ptep1 = 0;
-       pt_entry_t      oldmap1 = 0;
        extern char     etext;
 
        if ((addr < VM_MIN_KERNEL_ADDRESS) ^
@@ -533,17 +529,8 @@ db_write_bytes(
            addr <= (vm_offset_t)&etext)
        {
            ptep0 = pmap_pte(kernel_pmap, addr);
-           oldmap0 = *ptep0;
            *ptep0 |= INTEL_PTE_WRITE;
 
-           addr1 = i386_trunc_page(addr + size - 1);
-           if (i386_trunc_page(addr) != addr1) {
-               /* data crosses a page boundary */
-
-               ptep1 = pmap_pte(kernel_pmap, addr1);
-               oldmap1 = *ptep1;
-               *ptep1 |= INTEL_PTE_WRITE;
-           }
            if (CPU_HAS_FEATURE(CPU_FEATURE_PGE))
                set_cr4(get_cr4() & ~CR4_PGE);
            flush_tlb();
@@ -555,10 +542,6 @@ db_write_bytes(
            *dst++ = *data++;
 
        if (ptep0) {
-           *ptep0 = oldmap0;
-           if (ptep1) {
-               *ptep1 = oldmap1;
-           }
            flush_tlb();
            if (CPU_HAS_FEATURE(CPU_FEATURE_PGE))
                set_cr4(get_cr4() | CR4_PGE);
-- 
1.8.1.4