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powerpc/pmap: Remove an unused error from moea64_pvo_enter()

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ENOENT is leftover from mmu_oea.c's moea_pvo_enter(), where it's used to
syncicache() on the first new mapping of a page.  This sync is done
differently in OEA64.
This commit is contained in:
jhibbits 2019-11-19 02:00:13 +00:00
parent a7d0c59d98
commit 7e0269411b
1 changed files with 3 additions and 9 deletions
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12
sys/powerpc/aim/mmu_oea64.c
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@ -1877,7 +1877,7 @@ moea64_kenter_attr(mmu_t mmu, vm_offset_t va, vm_paddr_t pa, vm_memattr_t ma)
free_pvo_entry(oldpvo);
}
if (error != 0 && error != ENOENT)
if (error != 0)
panic("moea64_kenter: failed to enter va %#zx pa %#jx: %d", va,
(uintmax_t)pa, error);
}
@ -2515,8 +2515,8 @@ static int
moea64_pvo_enter(mmu_t mmu, struct pvo_entry *pvo, struct pvo_head *pvo_head,
struct pvo_entry **oldpvop)
{
int first, err;
struct pvo_entry *old_pvo;
int err;
PMAP_LOCK_ASSERT(pvo->pvo_pmap, MA_OWNED);
@ -2533,13 +2533,7 @@ moea64_pvo_enter(mmu_t mmu, struct pvo_entry *pvo, struct pvo_head *pvo_head,
return (EEXIST);
}
/*
* Remember if the list was empty and therefore will be the first
* item.
*/
if (pvo_head != NULL) {
if (LIST_FIRST(pvo_head) == NULL)
first = 1;
LIST_INSERT_HEAD(pvo_head, pvo, pvo_vlink);
}
@ -2570,7 +2564,7 @@ moea64_pvo_enter(mmu_t mmu, struct pvo_entry *pvo, struct pvo_head *pvo_head,
pvo->pvo_vaddr & PVO_LARGE);
#endif
return (first ? ENOENT : 0);
return (0);
}
static void