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powerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES
Because the pte is now 64-bits the compiler was optimizing the update to always clear the upper 32-bits of the pte. We need to ensure the clr mask is treated as an unsigned long long to get the proper behavior. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -624,7 +624,7 @@ static inline unsigned long long pte_update(pte_t *p,
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: "cc" );
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#else /* PTE_ATOMIC_UPDATES */
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unsigned long long old = pte_val(*p);
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*p = __pte((old & ~clr) | set);
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*p = __pte((old & ~(unsigned long long)clr) | set);
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#endif /* !PTE_ATOMIC_UPDATES */
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#ifdef CONFIG_44x
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