Re: [PATCH 09/31] powerpc/mm: Don't use pte_val as lvalue
- From
- Scott Wood <hidden>
- Date
- 2015-09-22 02:22:38
- Reply to
- Aneesh Kumar K.V, 2015-09-21
On Mon, Sep 21, 2015 at 12:10:36PM +0530, Aneesh Kumar K.V wrote:
quoted hunk ↗ jump to hunk
+static inline pte_t pte_mkwrite(pte_t pte) +{ + pte_basic_t ptev; + + ptev = pte_val(pte) & ~_PAGE_RO; + ptev |= _PAGE_RW; + return __pte(pte); +}
s/__pte(pte)/__pte(ptev)/ ...to fix an endless handle_mm_fault() loop. CONFIG_STRICT_MM_TYPECHECKS would have caught this. -Scott