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 <[EMAIL PROTECTED]> Acked-by: Josh Boyer <[EMAIL PROTECTED]> --- include/asm-powerpc/pgtable-ppc32.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h index 11eede4..73015f0 100644 --- a/include/asm-powerpc/pgtable-ppc32.h +++ b/include/asm-powerpc/pgtable-ppc32.h @@ -624,7 +624,7 @@ static inline unsigned long long pte_update(pte_t *p, : "cc" ); #else /* PTE_ATOMIC_UPDATES */ unsigned long long old = pte_val(*p); - *p = __pte((old & ~clr) | set); + *p = __pte((old & ~(unsigned long long)clr) | set); #endif /* !PTE_ATOMIC_UPDATES */ #ifdef CONFIG_44x -- 1.5.5.1 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev