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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-09-07 15:21:17 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-13 10:21:05 +0200 |
| commit | a32ad4626776f09b30ef98a872a5f6fb64fe6607 (patch) | |
| tree | 5345673a5c9728c2f51ab177b19842b5f2fa2965 | |
| parent | 88b4c146961f4178f38a8c3e6e54709fa39a3f36 (diff) | |
x86-64: don't check for map replacement
The check prevents flags on mappings from being changed, which is not
desireable. There's no need to check for replacing a mapping, and
x86-32 does not do this check.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/mm/init_64.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 5beb8968345..7c8bb46e83e 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -196,9 +196,6 @@ set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte) } pte = pte_offset_kernel(pmd, vaddr); - if (!pte_none(*pte) && pte_val(new_pte) && - pte_val(*pte) != (pte_val(new_pte) & __supported_pte_mask)) - pte_ERROR(*pte); set_pte(pte, new_pte); /* |