On Wed, Feb 28, 2018 at 10:15 PM, Jason Gunthorpe <jgg@xxxxxxxx> wrote:
> On Tue, Feb 20, 2018 at 09:56:26PM +0100, Arnd Bergmann wrote:
>> Building for a 32-bit target results in a couple of warnings from casting between
>> a 32-bit pointer and a 64-bit integer:
>>
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c: In function 'bnxt_qplib_service_nq':
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c:333:23: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>> bnxt_qplib_arm_srq((struct bnxt_qplib_srq *)q_handle,
>> ^
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c:336:12: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>> (struct bnxt_qplib_srq *)q_handle,
>> ^
>> In file included from include/linux/byteorder/little_endian.h:5,
>> from arch/arm/include/uapi/asm/byteorder.h:22,
>> from include/asm-generic/bitops/le.h:6,
>> from arch/arm/include/asm/bitops.h:342,
>> from include/linux/bitops.h:38,
>> from include/linux/kernel.h:11,
>> from include/linux/interrupt.h:6,
>> from drivers/infiniband/hw/bnxt_re/qplib_fp.c:39:
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c: In function 'bnxt_qplib_create_srq':
>> include/uapi/linux/byteorder/little_endian.h:31:43: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
>> #define __cpu_to_le64(x) ((__force __le64)(__u64)(x))
>> ^
>> include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64'
>> #define cpu_to_le64 __cpu_to_le64
>> ^~~~~~~~~~~~~
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c:569:19: note: in expansion of macro 'cpu_to_le64'
>> req.srq_handle = cpu_to_le64(srq);
>>
>> Using a uintptr_t as an intermediate works on all architectures.
>>
>> Fixes: 37cb11acf1f7 ("RDMA/bnxt_re: Add SRQ support for Broadcom adapters")
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>> drivers/infiniband/hw/bnxt_re/qplib_fp.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> I applied the series to for-next, thanks
Hi Jason,
kernelci still reports the warning for v4.16-rc, any chance you can also send it
as a bugfix for the current release?
Arnd
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