On 12/17/19 11:51 PM, Sandipan Das wrote: > write_pkey_reg(pkey_reg); > - dprintf4("pkey_reg now: %08x\n", read_pkey_reg()); > + dprintf4("pkey_reg now: "PKEY_REG_FMT"\n", read_pkey_reg()); > } > > #define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) > diff --git a/tools/testing/selftests/vm/pkey-x86.h b/tools/testing/selftests/vm/pkey-x86.h > index 2f04ade8ca9c..5f40901219d3 100644 > --- a/tools/testing/selftests/vm/pkey-x86.h > +++ b/tools/testing/selftests/vm/pkey-x86.h > @@ -46,6 +46,8 @@ > #define HPAGE_SIZE (1UL<<21) > #define PAGE_SIZE 4096 > #define MB (1<<20) > +#define pkey_reg_t u32 > +#define PKEY_REG_FMT "%016x" How big is the ppc one? I'd really just rather do %016lx *everywhere* than sprinkle the PKEY_REG_FMTs around. BTW, why are you doing a %016lx for a u32?