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Date: Fri, 31 Jul 2020 08:17:27 +0800
From: kernel test robot <lkp@...el.com>
To: Oded Gabbay <oded.gabbay@...il.com>, linux-kernel@...r.kernel.org,
SW_Drivers@...ana.ai
Cc: kbuild-all@...ts.01.org, Ofir Bitton <obitton@...ana.ai>
Subject: Re: [PATCH 2/2] habanalabs: add information about PCIe controller
Hi Oded,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on next-20200730]
[cannot apply to linux/master linus/master v5.8-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Oded-Gabbay/habanalabs-Replace-dma-fence-mechanism-with-completions/20200730-211536
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 22362aa30bad6f03b5bcbbeee3cdc61950d40086
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/byteorder/big_endian.h:5,
from arch/xtensa/include/uapi/asm/byteorder.h:8,
from arch/xtensa/include/asm/bitops.h:21,
from include/linux/bitops.h:29,
from include/linux/kernel.h:12,
from include/linux/list.h:9,
from include/linux/kobject.h:19,
from include/linux/cdev.h:5,
from drivers/misc/habanalabs/common/habanalabs.h:15,
from drivers/misc/habanalabs/common/firmware_if.c:8:
drivers/misc/habanalabs/common/firmware_if.c: In function 'hl_fw_armcp_pci_counters_get':
>> include/uapi/linux/byteorder/big_endian.h:31:26: warning: conversion from 'long long unsigned int' to '__le32' {aka 'unsigned int'} changes value from '72057594037927936' to '0' [-Woverflow]
31 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x)))
| ^
include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64'
86 | #define cpu_to_le64 __cpu_to_le64
| ^~~~~~~~~~~~~
drivers/misc/habanalabs/common/firmware_if.c:368:14: note: in expansion of macro 'cpu_to_le64'
368 | pkt.index = cpu_to_le64(armcp_pcie_throughput_rx);
| ^~~~~~~~~~~
vim +31 include/uapi/linux/byteorder/big_endian.h
5921e6f8809b16 David Howells 2012-10-13 14
5921e6f8809b16 David Howells 2012-10-13 15 #define __constant_htonl(x) ((__force __be32)(__u32)(x))
5921e6f8809b16 David Howells 2012-10-13 16 #define __constant_ntohl(x) ((__force __u32)(__be32)(x))
5921e6f8809b16 David Howells 2012-10-13 17 #define __constant_htons(x) ((__force __be16)(__u16)(x))
5921e6f8809b16 David Howells 2012-10-13 18 #define __constant_ntohs(x) ((__force __u16)(__be16)(x))
5921e6f8809b16 David Howells 2012-10-13 19 #define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x)))
5921e6f8809b16 David Howells 2012-10-13 20 #define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x))
5921e6f8809b16 David Howells 2012-10-13 21 #define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x)))
5921e6f8809b16 David Howells 2012-10-13 22 #define __constant_le32_to_cpu(x) ___constant_swab32((__force __u32)(__le32)(x))
5921e6f8809b16 David Howells 2012-10-13 23 #define __constant_cpu_to_le16(x) ((__force __le16)___constant_swab16((x)))
5921e6f8809b16 David Howells 2012-10-13 24 #define __constant_le16_to_cpu(x) ___constant_swab16((__force __u16)(__le16)(x))
5921e6f8809b16 David Howells 2012-10-13 25 #define __constant_cpu_to_be64(x) ((__force __be64)(__u64)(x))
5921e6f8809b16 David Howells 2012-10-13 26 #define __constant_be64_to_cpu(x) ((__force __u64)(__be64)(x))
5921e6f8809b16 David Howells 2012-10-13 27 #define __constant_cpu_to_be32(x) ((__force __be32)(__u32)(x))
5921e6f8809b16 David Howells 2012-10-13 28 #define __constant_be32_to_cpu(x) ((__force __u32)(__be32)(x))
5921e6f8809b16 David Howells 2012-10-13 29 #define __constant_cpu_to_be16(x) ((__force __be16)(__u16)(x))
5921e6f8809b16 David Howells 2012-10-13 30 #define __constant_be16_to_cpu(x) ((__force __u16)(__be16)(x))
5921e6f8809b16 David Howells 2012-10-13 @31 #define __cpu_to_le64(x) ((__force __le64)__swab64((x)))
5921e6f8809b16 David Howells 2012-10-13 32 #define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x))
5921e6f8809b16 David Howells 2012-10-13 33 #define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
5921e6f8809b16 David Howells 2012-10-13 34 #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
5921e6f8809b16 David Howells 2012-10-13 35 #define __cpu_to_le16(x) ((__force __le16)__swab16((x)))
5921e6f8809b16 David Howells 2012-10-13 36 #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
5921e6f8809b16 David Howells 2012-10-13 37 #define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
5921e6f8809b16 David Howells 2012-10-13 38 #define __be64_to_cpu(x) ((__force __u64)(__be64)(x))
5921e6f8809b16 David Howells 2012-10-13 39 #define __cpu_to_be32(x) ((__force __be32)(__u32)(x))
5921e6f8809b16 David Howells 2012-10-13 40 #define __be32_to_cpu(x) ((__force __u32)(__be32)(x))
5921e6f8809b16 David Howells 2012-10-13 41 #define __cpu_to_be16(x) ((__force __be16)(__u16)(x))
5921e6f8809b16 David Howells 2012-10-13 42 #define __be16_to_cpu(x) ((__force __u16)(__be16)(x))
5921e6f8809b16 David Howells 2012-10-13 43
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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