On Fri, 2016-03-18 at 10:11 -0700, Brian Norris wrote: > drivers/ntb/test/ntb_perf.c: In function ‘perf_copy’: > drivers/ntb/test/ntb_perf.c:213:10: warning: cast from pointer to > integer of different size [-Wpointer-to-int-cast] > drivers/ntb/test/ntb_perf.c:214:14: warning: cast from pointer to > integer of different size [-Wpointer-to-int-cast] > > On 32-bit systems, we are casting a 32-bit pointer to a 64-bit value. > This shouldn't cause functional problems, but we might as well fix > the > warning and allow 32-bit arithmetic for 32-bit systems. > > Signed-off-by: Brian Norris <computersforpe...@gmail.com> > Cc: Dave Jiang <dave.ji...@intel.com> > Cc: Jon Mason <jdma...@kudzu.us> > Cc: Allen Hubbe <allen.hu...@emc.com>
Acked-by: Dave Jiang <dave.ji...@intel.com> > --- > drivers/ntb/test/ntb_perf.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/ntb/test/ntb_perf.c > b/drivers/ntb/test/ntb_perf.c > index c8a37ba4b4f9..835e2686998d 100644 > --- a/drivers/ntb/test/ntb_perf.c > +++ b/drivers/ntb/test/ntb_perf.c > @@ -189,7 +189,7 @@ static ssize_t perf_copy(struct pthr_ctx *pctx, > char *dst, > dma_cookie_t cookie; > size_t src_off, dst_off; > struct perf_mw *mw = &perf->mw; > - u64 vbase, dst_vaddr; > + uintptr_t vbase, dst_vaddr; > dma_addr_t dst_phys; > int retries = 0; > > @@ -210,8 +210,8 @@ static ssize_t perf_copy(struct pthr_ctx *pctx, > char *dst, > if (!is_dma_copy_aligned(device, src_off, dst_off, size)) > return -ENODEV; > > - vbase = (u64)(u64 *)mw->vbase; > - dst_vaddr = (u64)(u64 *)dst; > + vbase = (uintptr_t)(u64 *)mw->vbase; > + dst_vaddr = (uintptr_t)(u64 *)dst; > dst_phys = mw->phys_addr + (dst_vaddr - vbase); > > unmap = dmaengine_get_unmap_data(device->dev, 1, > GFP_NOWAIT);
