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With the advent of pmap locking it makes sense for pmap_copy() to be less

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forgiving about inconsistencies in the source pmap.  Also, remove a new-
line character terminating a nearby panic string.
This commit is contained in:
Alan Cox 2004-08-08 00:31:58 +00:00
parent 47a86e3cd4
commit a9cb79ba4e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=133292
2 changed files with 6 additions and 6 deletions
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6
sys/amd64/amd64/pmap.c
View File

@ -2267,7 +2267,7 @@ pmap_copy(pmap_t dst_pmap, pmap_t src_pmap, vm_offset_t dst_addr, vm_size_t len,
pd_entry_t srcptepaddr, *pde;
if (addr >= UPT_MIN_ADDRESS)
panic("pmap_copy: invalid to pmap_copy page tables\n");
panic("pmap_copy: invalid to pmap_copy page tables");
/*
* Don't let optional prefaulting of pages make us go
@ -2318,8 +2318,8 @@ pmap_copy(pmap_t dst_pmap, pmap_t src_pmap, vm_offset_t dst_addr, vm_size_t len,
}
srcmpte = PHYS_TO_VM_PAGE(srcptepaddr & PG_FRAME);
if (srcmpte->hold_count == 0 || (srcmpte->flags & PG_BUSY))
continue;
if (srcmpte->hold_count == 0)
panic("pmap_copy: source page table page is unused");
if (va_next > end_addr)
va_next = end_addr;

6
sys/i386/i386/pmap.c
View File

@ -2318,7 +2318,7 @@ pmap_copy(pmap_t dst_pmap, pmap_t src_pmap, vm_offset_t dst_addr, vm_size_t len,
unsigned ptepindex;
if (addr >= UPT_MIN_ADDRESS)
panic("pmap_copy: invalid to pmap_copy page tables\n");
panic("pmap_copy: invalid to pmap_copy page tables");
/*
* Don't let optional prefaulting of pages make us go
@ -2346,8 +2346,8 @@ pmap_copy(pmap_t dst_pmap, pmap_t src_pmap, vm_offset_t dst_addr, vm_size_t len,
}
srcmpte = PHYS_TO_VM_PAGE(srcptepaddr);
if (srcmpte->hold_count == 0 || (srcmpte->flags & PG_BUSY))
continue;
if (srcmpte->hold_count == 0)
panic("pmap_copy: source page table page is unused");
if (pdnxt > end_addr)
pdnxt = end_addr;