If STRICT_MM_TYPECHECKS is enabled the generic gup code fails to build because we are using ACCESS_ONCE on non-scalar types.
Convert all uses to READ_ONCE. Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: Michael Ellerman <[email protected]> --- mm/gup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index a6e24e246f86..120c3adc843c 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -901,7 +901,7 @@ static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end, * * for an example see gup_get_pte in arch/x86/mm/gup.c */ - pte_t pte = ACCESS_ONCE(*ptep); + pte_t pte = READ_ONCE(*ptep); struct page *page; /* @@ -1191,7 +1191,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { - pgd_t pgd = ACCESS_ONCE(*pgdp); + pgd_t pgd = READ_ONCE(*pgdp); next = pgd_addr_end(addr, end); if (pgd_none(pgd)) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
