June 2021 - kbuild-all

[plbossart-sound:sdw/fixup-hardware-reset-checks 4/7] ERROR: modpost: "__cmpxchg_small" [sound/soc/sof/snd-sof.ko] undefined!

by kernel test robot

tree: https://github.com/plbossart/sound sdw/fixup-hardware-reset-checks head: 5159b0b0c54885c59d8005ed54c139330b164f98 commit: 7fc223e746faf72a7c0d04a7037d6a24ca7f8f0f [4/7] ASoC: SOF: Intel: hda: add new flags for DAI_CONFIG config: mips-allmodconfig (attached as .config) compiler: mips-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 # https://github.com/plbossart/sound/commit/7fc223e746faf72a7c0d04a7037d6a2... git remote add plbossart-sound https://github.com/plbossart/sound git fetch --no-tags plbossart-sound sdw/fixup-hardware-reset-checks git checkout 7fc223e746faf72a7c0d04a7037d6a24ca7f8f0f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "__cmpxchg_small" [sound/soc/sof/snd-sof.ko] undefined! ERROR: modpost: "__cmpxchg_small" [sound/soc/sof/intel/snd-sof-intel-hda-common.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[linux-stable-rc:linux-4.19.y 4209/4755] drivers/usb/typec/tcpci.o: warning: objtool: tcpci_get_cc()+0x1a6: can't find switch jump table

by kernel test robot

TO: Badhri Jagan Sridharan <badhri(a)google.com> CC: "Greg Kroah-Hartman" <gregkh(a)linuxfoundation.org> CC: Sasha Levin <sashal(a)kernel.org> Hi Badhri, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y head: 3c1f7bd1707440cbbb07d14370ce120a1a29b79c commit: 8af6ecdb60c5648ad6090903d294589dee6aadff [4209/4755] usb: typec: tcpci: Check ROLE_CONTROL while interpreting CC_STATUS config: x86_64-randconfig-a014-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.19.y git checkout 8af6ecdb60c5648ad6090903d294589dee6aadff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): >> drivers/usb/typec/tcpci.o: warning: objtool: tcpci_get_cc()+0x1a6: can't find switch jump table --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[linux-next:master 4285/10007] mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch'

by kernel test robot

Hi Peter, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 19ae1f2bd9c091059f80646604ccef8a1e614f57 commit: 1cbdf60bd1b74e397d48aa877367cfc621f45ffe [4285/10007] kasan: arm64: support specialized outlined tag mismatch checks config: arm64-randconfig-r022-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 1cbdf60bd1b74e397d48aa877367cfc621f45ffe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): >> mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch' [-Wmissing-prototypes] void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, ^ mm/kasan/sw_tags.c:211:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, ^ static 1 warning generated. vim +/kasan_tag_mismatch +211 mm/kasan/sw_tags.c 210 > 211 void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[xlnx:xlnx_rebase_v5.4 1563/1762] drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1962:10: warning: 'regval' may be used uninitialized in this function

by kernel test robot

tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: d128303e4c53bcf7775c46771bf64c71596f3303 commit: d42de16ed2832785de4066fac3883d46ed3f063f [1563/1762] net: xilinx: XXV Ethernet HW timestamp fixes config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/Xilinx/linux-xlnx/commit/d42de16ed2832785de4066fac3883... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout d42de16ed2832785de4066fac3883d46ed3f063f # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_queue_xmit': drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1077:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 1077 | const struct ethhdr *eth; | ^~~~~ drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_ioctl': >> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1962:10: warning: 'regval' may be used uninitialized in this function [-Wmaybe-uninitialized] 1962 | regval &= ~XAE_TC_INBAND1588_MASK; drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1927:6: note: 'regval' was declared here 1927 | u32 regval; | ^~~~~~ vim +/regval +1962 drivers/net/ethernet/xilinx/xilinx_axienet_main.c bbcf6f9bb1bc20 Saurabh Sengar 2020-02-13 1951 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1952 /* reserved for future extensions */ 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1953 if (config->flags) 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1954 return -EINVAL; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1955 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1956 /* Read the current value in the MAC TX CTRL register */ d42de16ed28327 Harini Katakam 2020-09-24 1957 if (lp->axienet_config->mactype != XAXIENET_10G_25G) 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1958 regval = axienet_ior(lp, XAE_TC_OFFSET); 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1959 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1960 switch (config->tx_type) { 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1961 case HWTSTAMP_TX_OFF: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 @1962 regval &= ~XAE_TC_INBAND1588_MASK; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1963 break; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1964 case HWTSTAMP_TX_ON: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1965 config->tx_type = HWTSTAMP_TX_ON; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1966 regval |= XAE_TC_INBAND1588_MASK; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1967 break; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1968 case HWTSTAMP_TX_ONESTEP_SYNC: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1969 config->tx_type = HWTSTAMP_TX_ONESTEP_SYNC; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1970 regval |= XAE_TC_INBAND1588_MASK; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1971 break; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1972 default: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1973 return -ERANGE; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1974 } 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1975 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1976 if (lp->axienet_config->mactype != XAXIENET_10G_25G) 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1977 axienet_iow(lp, XAE_TC_OFFSET, regval); 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1978 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1979 /* Read the current value in the MAC RX RCW1 register */ d42de16ed28327 Harini Katakam 2020-09-24 1980 if (lp->axienet_config->mactype != XAXIENET_10G_25G) 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1981 regval = axienet_ior(lp, XAE_RCW1_OFFSET); 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1982 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1983 /* On RX always timestamp everything */ 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1984 switch (config->rx_filter) { 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1985 case HWTSTAMP_FILTER_NONE: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1986 regval &= ~XAE_RCW1_INBAND1588_MASK; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1987 break; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1988 default: 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1989 config->rx_filter = HWTSTAMP_FILTER_ALL; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1990 regval |= XAE_RCW1_INBAND1588_MASK; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1991 } 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1992 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1993 if (lp->axienet_config->mactype != XAXIENET_10G_25G) 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1994 axienet_iow(lp, XAE_RCW1_OFFSET, regval); 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1995 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1996 return 0; 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1997 } 7aee9da192ba57 Appana Durga Kedareswara Rao 2020-01-24 1998 :::::: The code at line 1962 was first introduced by commit :::::: 7aee9da192ba57210897a418ada793ac5b15a851 net: axienet: Add support for 1588 :::::: TO: Appana Durga Kedareswara Rao <appana.durga.rao(a)xilinx.com> :::::: CC: Michal Simek <michal.simek(a)xilinx.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[xlnx:xlnx_rebase_v5.4 904/1762] ld.lld: error: duplicate symbol: dwc3_set_simple_data

by kernel test robot

Hi Michal, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: d128303e4c53bcf7775c46771bf64c71596f3303 commit: 3d600fd776cbda29abdea084f7437f7d9102b2a5 [904/1762] usb: dwc3: Add support for removing vbus when suspended config: x86_64-randconfig-a014-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/Xilinx/linux-xlnx/commit/3d600fd776cbda29abdea084f7437... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout 3d600fd776cbda29abdea084f7437f7d9102b2a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): >> ld.lld: error: duplicate symbol: dwc3_set_simple_data >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/core.o:(dwc3_set_simple_data) in archive drivers/built-in.a >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/trace.o:(.text+0x20) in archive drivers/built-in.a -- >> ld.lld: error: duplicate symbol: dwc3_set_simple_data >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/core.o:(dwc3_set_simple_data) in archive drivers/built-in.a >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/host.o:(.text+0x20) in archive drivers/built-in.a -- >> ld.lld: error: duplicate symbol: dwc3_set_simple_data >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/core.o:(dwc3_set_simple_data) in archive drivers/built-in.a >>> defined at core.h:1422 (drivers/usb/dwc3/core.h:1422) >>> usb/dwc3/debugfs.o:(.text+0x20) in archive drivers/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[agd5f:drm-next 53/84] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:3628:17: warning: variable 'status' set but not used

by kernel test robot

tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: 5fedbd64e1c0eedd28f478f280c6315d18ff7762 commit: ee9b1992f1fdf3726af010cd771b12205e0ce346 [53/84] drm/amd/display: Move LTTPR cap read into its own function config: riscv-randconfig-r033-20210615 (attached as .config) compiler: riscv64-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 git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git git fetch --no-tags agd5f drm-next git checkout ee9b1992f1fdf3726af010cd771b12205e0ce346 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:1378:16: warning: no previous prototype for 'configure_lttpr_mode_transparent' [-Wmissing-prototypes] 1378 | enum dc_status configure_lttpr_mode_transparent(struct dc_link *link) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:1389:16: warning: no previous prototype for 'configure_lttpr_mode_non_transparent' [-Wmissing-prototypes] 1389 | enum dc_status configure_lttpr_mode_non_transparent( | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:1637:16: warning: no previous prototype for 'dpcd_configure_channel_coding' [-Wmissing-prototypes] 1637 | enum dc_status dpcd_configure_channel_coding(struct dc_link *link, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:3622:6: warning: no previous prototype for 'dp_retrieve_lttpr_cap' [-Wmissing-prototypes] 3622 | bool dp_retrieve_lttpr_cap(struct dc_link *link) | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function 'dp_retrieve_lttpr_cap': >> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:3628:17: warning: variable 'status' set but not used [-Wunused-but-set-variable] 3628 | enum dc_status status = DC_ERROR_UNEXPECTED; | ^~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for LOCKDEP Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86) Selected by - PROVE_LOCKING && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT vim +/status +3628 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c 3621 3622 bool dp_retrieve_lttpr_cap(struct dc_link *link) 3623 { 3624 uint8_t lttpr_dpcd_data[6]; 3625 bool vbios_lttpr_enable = false; 3626 bool vbios_lttpr_interop = false; 3627 struct dc_bios *bios = link->dc->ctx->dc_bios; > 3628 enum dc_status status = DC_ERROR_UNEXPECTED; 3629 bool is_lttpr_present = false; 3630 3631 memset(lttpr_dpcd_data, '\0', sizeof(lttpr_dpcd_data)); 3632 /* Query BIOS to determine if LTTPR functionality is forced on by system */ 3633 if (bios->funcs->get_lttpr_caps) { 3634 enum bp_result bp_query_result; 3635 uint8_t is_vbios_lttpr_enable = 0; 3636 3637 bp_query_result = bios->funcs->get_lttpr_caps(bios, &is_vbios_lttpr_enable); 3638 vbios_lttpr_enable = (bp_query_result == BP_RESULT_OK) && !!is_vbios_lttpr_enable; 3639 } 3640 3641 if (bios->funcs->get_lttpr_interop) { 3642 enum bp_result bp_query_result; 3643 uint8_t is_vbios_interop_enabled = 0; 3644 3645 bp_query_result = bios->funcs->get_lttpr_interop(bios, &is_vbios_interop_enabled); 3646 vbios_lttpr_interop = (bp_query_result == BP_RESULT_OK) && !!is_vbios_interop_enabled; 3647 } 3648 3649 /* 3650 * Logic to determine LTTPR mode 3651 */ 3652 link->lttpr_mode = LTTPR_MODE_NON_LTTPR; 3653 if (vbios_lttpr_enable && vbios_lttpr_interop) 3654 link->lttpr_mode = LTTPR_MODE_NON_TRANSPARENT; 3655 else if (!vbios_lttpr_enable && vbios_lttpr_interop) { 3656 if (link->dc->config.allow_lttpr_non_transparent_mode) 3657 link->lttpr_mode = LTTPR_MODE_NON_TRANSPARENT; 3658 else 3659 link->lttpr_mode = LTTPR_MODE_TRANSPARENT; 3660 } else if (!vbios_lttpr_enable && !vbios_lttpr_interop) { 3661 if (!link->dc->config.allow_lttpr_non_transparent_mode 3662 || !link->dc->caps.extended_aux_timeout_support) 3663 link->lttpr_mode = LTTPR_MODE_NON_LTTPR; 3664 else 3665 link->lttpr_mode = LTTPR_MODE_NON_TRANSPARENT; 3666 } 3667 3668 if (link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT || link->lttpr_mode == LTTPR_MODE_TRANSPARENT) { 3669 /* By reading LTTPR capability, RX assumes that we will enable 3670 * LTTPR extended aux timeout if LTTPR is present. 3671 */ 3672 status = core_link_read_dpcd( 3673 link, 3674 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV, 3675 lttpr_dpcd_data, 3676 sizeof(lttpr_dpcd_data)); 3677 3678 link->dpcd_caps.lttpr_caps.revision.raw = 3679 lttpr_dpcd_data[DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV - 3680 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3681 3682 link->dpcd_caps.lttpr_caps.max_link_rate = 3683 lttpr_dpcd_data[DP_MAX_LINK_RATE_PHY_REPEATER - 3684 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3685 3686 link->dpcd_caps.lttpr_caps.phy_repeater_cnt = 3687 lttpr_dpcd_data[DP_PHY_REPEATER_CNT - 3688 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3689 3690 link->dpcd_caps.lttpr_caps.max_lane_count = 3691 lttpr_dpcd_data[DP_MAX_LANE_COUNT_PHY_REPEATER - 3692 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3693 3694 link->dpcd_caps.lttpr_caps.mode = 3695 lttpr_dpcd_data[DP_PHY_REPEATER_MODE - 3696 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3697 3698 link->dpcd_caps.lttpr_caps.max_ext_timeout = 3699 lttpr_dpcd_data[DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT - 3700 DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV]; 3701 3702 /* Attempt to train in LTTPR transparent mode if repeater count exceeds 8. */ 3703 is_lttpr_present = (link->dpcd_caps.lttpr_caps.phy_repeater_cnt > 0 && 3704 link->dpcd_caps.lttpr_caps.phy_repeater_cnt < 0xff && 3705 link->dpcd_caps.lttpr_caps.max_lane_count > 0 && 3706 link->dpcd_caps.lttpr_caps.max_lane_count <= 4 && 3707 link->dpcd_caps.lttpr_caps.revision.raw >= 0x14); 3708 if (is_lttpr_present) 3709 CONN_DATA_DETECT(link, lttpr_dpcd_data, sizeof(lttpr_dpcd_data), "LTTPR Caps: "); 3710 else 3711 link->lttpr_mode = LTTPR_MODE_NON_LTTPR; 3712 } 3713 return is_lttpr_present; 3714 } 3715 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[xlnx:xlnx_rebase_v5.4 1172/1762] drivers/irqchip/irq-xilinx-intc.c:170:10: error: implicit declaration of function 'handle_domain_irq'; did you mean 'handle_bad_irq'?

by kernel test robot

Hi Michal, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: d128303e4c53bcf7775c46771bf64c71596f3303 commit: 9b798b0101efddfd3c5f6e2d86dfbb1522bfc1cf [1172/1762] irqchip: xilinx: Use handle_domain_irq() config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/Xilinx/linux-xlnx/commit/9b798b0101efddfd3c5f6e2d86dfb... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout 9b798b0101efddfd3c5f6e2d86dfbb1522bfc1cf # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): drivers/irqchip/irq-xilinx-intc.c: In function 'xil_intc_handle_irq': >> drivers/irqchip/irq-xilinx-intc.c:170:10: error: implicit declaration of function 'handle_domain_irq'; did you mean 'handle_bad_irq'? [-Werror=implicit-function-declaration] 170 | ret = handle_domain_irq(irqc->root_domain, hwirq, regs); | ^~~~~~~~~~~~~~~~~ | handle_bad_irq drivers/irqchip/irq-xilinx-intc.c: In function 'xilinx_intc_of_init': drivers/irqchip/irq-xilinx-intc.c:280:3: error: implicit declaration of function 'set_handle_irq'; did you mean 'handle_irq'? [-Werror=implicit-function-declaration] 280 | set_handle_irq(xil_intc_handle_irq); | ^~~~~~~~~~~~~~ | handle_irq cc1: some warnings being treated as errors vim +170 drivers/irqchip/irq-xilinx-intc.c 160 161 static void xil_intc_handle_irq(struct pt_regs *regs) 162 { 163 int ret; 164 unsigned int hwirq, cpu_id = smp_processor_id(); 165 struct xintc_irq_chip *irqc = per_cpu_ptr(&primary_intc, cpu_id); 166 167 do { 168 hwirq = irqc->read_fn(irqc->base + IVR); 169 if (hwirq != -1U) { > 170 ret = handle_domain_irq(irqc->root_domain, hwirq, regs); 171 WARN_ONCE(ret, "cpu %d: Unhandled HWIRQ %d\n", 172 cpu_id, hwirq); 173 continue; 174 } 175 176 break; 177 } while (1); 178 } 179 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[intel-tdx:guest 36/76] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_223' declared with attribute error: Need native word sized stores/loads for atomicity.

by kernel test robot

tree: https://github.com/intel/tdx.git guest head: 224dd4925275ef73ef78f1412d6f9d03564294eb commit: 2cebad45f71238234fe6268a9ad041056fa87170 [36/76] x86/acpi, x86/boot: Add multiprocessor wake-up support config: i386-randconfig-r032-20210616 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/tdx/commit/2cebad45f71238234fe6268a9ad041056fa87170 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest git checkout 2cebad45f71238234fe6268a9ad041056fa87170 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): In file included from <command-line>: arch/x86/kernel/acpi/boot.c: In function 'acpi_wakeup_cpu': >> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_223' declared with attribute error: Need native word sized stores/loads for atomicity. 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert' 309 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:331:2: note: in expansion of macro 'compiletime_assert' 331 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ arch/x86/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type' 68 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:138:33: note: in expansion of macro '__smp_store_release' 138 | #define smp_store_release(p, v) __smp_store_release(p, v) | ^~~~~~~~~~~~~~~~~~~ arch/x86/kernel/acpi/boot.c:368:2: note: in expansion of macro 'smp_store_release' 368 | smp_store_release(&acpi_mp_wake_mailbox->wakeup_vector, start_ip); | ^~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_223 +328 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 329 :::::: The code at line 328 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon <will(a)kernel.org> :::::: CC: Will Deacon <will(a)kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 3 months

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[zen-kernel-zen-kernel:5.12/futex2 1/16] arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_futex_wait'

by kernel test robot

tree: https://github.com/zen-kernel/zen-kernel 5.12/futex2 head: 81255c11c48cc2302883425c87318f9cad37e7e6 commit: 64cdae0a6364c651f13a9ba90f6a8fadd7e1b9f7 [1/16] futex2: Implement wait and wake functions config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/zen-kernel/zen-kernel/commit/64cdae0a6364c651f13a9ba90... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.12/futex2 git checkout 64cdae0a6364c651f13a9ba90f6a8fadd7e1b9f7 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:147:1: note: in expansion of macro 'COND_SYSCALL' 147 | COND_SYSCALL(futex_time32); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_set_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:148:1: note: in expansion of macro 'COND_SYSCALL' 148 | COND_SYSCALL(set_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_set_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:148:1: note: in expansion of macro 'COND_SYSCALL' 148 | COND_SYSCALL(set_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_set_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:149:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 149 | COND_SYSCALL_COMPAT(set_robust_list); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_set_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:149:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 149 | COND_SYSCALL_COMPAT(set_robust_list); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_get_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:150:1: note: in expansion of macro 'COND_SYSCALL' 150 | COND_SYSCALL(get_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_get_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:150:1: note: in expansion of macro 'COND_SYSCALL' 150 | COND_SYSCALL(get_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_get_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:151:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 151 | COND_SYSCALL_COMPAT(get_robust_list); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_get_robust_list' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:151:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 151 | COND_SYSCALL_COMPAT(get_robust_list); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_futex_wait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:154:1: note: in expansion of macro 'COND_SYSCALL' 154 | COND_SYSCALL(futex_wait); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_futex_wait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:154:1: note: in expansion of macro 'COND_SYSCALL' 154 | COND_SYSCALL(futex_wait); | ^~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_futex_wake' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:155:1: note: in expansion of macro 'COND_SYSCALL' 155 | COND_SYSCALL(futex_wake); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_futex_wake' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:155:1: note: in expansion of macro 'COND_SYSCALL' 155 | COND_SYSCALL(futex_wake); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_kexec_load' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:162:1: note: in expansion of macro 'COND_SYSCALL' 162 | COND_SYSCALL(kexec_load); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_kexec_load' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:162:1: note: in expansion of macro 'COND_SYSCALL' 162 | COND_SYSCALL(kexec_load); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_kexec_load' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:163:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 163 | COND_SYSCALL_COMPAT(kexec_load); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_kexec_load' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:163:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 163 | COND_SYSCALL_COMPAT(kexec_load); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_init_module' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:166:1: note: in expansion of macro 'COND_SYSCALL' 166 | COND_SYSCALL(init_module); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_init_module' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:166:1: note: in expansion of macro 'COND_SYSCALL' 166 | COND_SYSCALL(init_module); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_delete_module' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) vim +/__x64_sys_futex_wait +83 arch/x86/include/asm/syscall_wrapper.h cc42c045af1ff4 Brian Gerst 2020-03-13 13 25c619e59b395a Brian Gerst 2020-03-13 14 /* 25c619e59b395a Brian Gerst 2020-03-13 15 * Instead of the generic __SYSCALL_DEFINEx() definition, the x86 version takes 25c619e59b395a Brian Gerst 2020-03-13 16 * struct pt_regs *regs as the only argument of the syscall stub(s) named as: 25c619e59b395a Brian Gerst 2020-03-13 17 * __x64_sys_*() - 64-bit native syscall 25c619e59b395a Brian Gerst 2020-03-13 18 * __ia32_sys_*() - 32-bit native syscall or common compat syscall 25c619e59b395a Brian Gerst 2020-03-13 19 * __ia32_compat_sys_*() - 32-bit compat syscall 25c619e59b395a Brian Gerst 2020-03-13 20 * __x32_compat_sys_*() - 64-bit X32 compat syscall 25c619e59b395a Brian Gerst 2020-03-13 21 * 25c619e59b395a Brian Gerst 2020-03-13 22 * The registers are decoded according to the ABI: 25c619e59b395a Brian Gerst 2020-03-13 23 * 64-bit: RDI, RSI, RDX, R10, R8, R9 25c619e59b395a Brian Gerst 2020-03-13 24 * 32-bit: EBX, ECX, EDX, ESI, EDI, EBP 25c619e59b395a Brian Gerst 2020-03-13 25 * 25c619e59b395a Brian Gerst 2020-03-13 26 * The stub then passes the decoded arguments to the __se_sys_*() wrapper to 25c619e59b395a Brian Gerst 2020-03-13 27 * perform sign-extension (omitted for zero-argument syscalls). Finally the 25c619e59b395a Brian Gerst 2020-03-13 28 * arguments are passed to the __do_sys_*() function which is the actual 25c619e59b395a Brian Gerst 2020-03-13 29 * syscall. These wrappers are marked as inline so the compiler can optimize 25c619e59b395a Brian Gerst 2020-03-13 30 * the functions where appropriate. 25c619e59b395a Brian Gerst 2020-03-13 31 * 25c619e59b395a Brian Gerst 2020-03-13 32 * Example assembly (slightly re-ordered for better readability): 25c619e59b395a Brian Gerst 2020-03-13 33 * 25c619e59b395a Brian Gerst 2020-03-13 34 * <__x64_sys_recv>: <-- syscall with 4 parameters 25c619e59b395a Brian Gerst 2020-03-13 35 * callq <__fentry__> 25c619e59b395a Brian Gerst 2020-03-13 36 * 25c619e59b395a Brian Gerst 2020-03-13 37 * mov 0x70(%rdi),%rdi <-- decode regs->di 25c619e59b395a Brian Gerst 2020-03-13 38 * mov 0x68(%rdi),%rsi <-- decode regs->si 25c619e59b395a Brian Gerst 2020-03-13 39 * mov 0x60(%rdi),%rdx <-- decode regs->dx 25c619e59b395a Brian Gerst 2020-03-13 40 * mov 0x38(%rdi),%rcx <-- decode regs->r10 25c619e59b395a Brian Gerst 2020-03-13 41 * 25c619e59b395a Brian Gerst 2020-03-13 42 * xor %r9d,%r9d <-- clear %r9 25c619e59b395a Brian Gerst 2020-03-13 43 * xor %r8d,%r8d <-- clear %r8 25c619e59b395a Brian Gerst 2020-03-13 44 * 25c619e59b395a Brian Gerst 2020-03-13 45 * callq __sys_recvfrom <-- do the actual work in __sys_recvfrom() 25c619e59b395a Brian Gerst 2020-03-13 46 * which takes 6 arguments 25c619e59b395a Brian Gerst 2020-03-13 47 * 25c619e59b395a Brian Gerst 2020-03-13 48 * cltq <-- extend return value to 64-bit 25c619e59b395a Brian Gerst 2020-03-13 49 * retq <-- return 25c619e59b395a Brian Gerst 2020-03-13 50 * 25c619e59b395a Brian Gerst 2020-03-13 51 * This approach avoids leaking random user-provided register content down 25c619e59b395a Brian Gerst 2020-03-13 52 * the call chain. 25c619e59b395a Brian Gerst 2020-03-13 53 */ 25c619e59b395a Brian Gerst 2020-03-13 54 ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 55 /* Mapping of registers to parameters for syscalls on x86-64 and x32 */ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 56 #define SC_X86_64_REGS_TO_ARGS(x, ...) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 57 __MAP(x,__SC_ARGS \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 58 ,,regs->di,,regs->si,,regs->dx \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 59 ,,regs->r10,,regs->r8,,regs->r9) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 60 ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 61 /* Mapping of registers to parameters for syscalls on i386 */ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 62 #define SC_IA32_REGS_TO_ARGS(x, ...) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 63 __MAP(x,__SC_ARGS \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 64 ,,(unsigned int)regs->bx,,(unsigned int)regs->cx \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 65 ,,(unsigned int)regs->dx,,(unsigned int)regs->si \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 66 ,,(unsigned int)regs->di,,(unsigned int)regs->bp) ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 67 d2b5de495ee983 Brian Gerst 2020-03-13 68 #define __SYS_STUB0(abi, name) \ 0f78ff17112d8b Brian Gerst 2020-03-13 69 long __##abi##_##name(const struct pt_regs *regs); \ d2b5de495ee983 Brian Gerst 2020-03-13 70 ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ 0f78ff17112d8b Brian Gerst 2020-03-13 71 long __##abi##_##name(const struct pt_regs *regs) \ d2b5de495ee983 Brian Gerst 2020-03-13 72 __alias(__do_##name); d2b5de495ee983 Brian Gerst 2020-03-13 73 4399e0cf494f73 Brian Gerst 2020-03-13 74 #define __SYS_STUBx(abi, name, ...) \ 0f78ff17112d8b Brian Gerst 2020-03-13 75 long __##abi##_##name(const struct pt_regs *regs); \ 4399e0cf494f73 Brian Gerst 2020-03-13 76 ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ 0f78ff17112d8b Brian Gerst 2020-03-13 77 long __##abi##_##name(const struct pt_regs *regs) \ 4399e0cf494f73 Brian Gerst 2020-03-13 78 { \ 4399e0cf494f73 Brian Gerst 2020-03-13 79 return __se_##name(__VA_ARGS__); \ 4399e0cf494f73 Brian Gerst 2020-03-13 80 } 4399e0cf494f73 Brian Gerst 2020-03-13 81 6cc8d2b286d9e7 Brian Gerst 2020-03-13 82 #define __COND_SYSCALL(abi, name) \ 0f78ff17112d8b Brian Gerst 2020-03-13 @83 __weak long __##abi##_##name(const struct pt_regs *__unused) \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 84 { \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 85 return sys_ni_syscall(); \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 86 } 6cc8d2b286d9e7 Brian Gerst 2020-03-13 87 :::::: The code at line 83 was first introduced by commit :::::: 0f78ff17112d8b3469b805ff4ea9780cc1e5c93b x86/entry: Drop asmlinkage from syscalls :::::: TO: Brian Gerst <brgerst(a)gmail.com> :::::: CC: Thomas Gleixner <tglx(a)linutronix.de> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[zen-kernel-zen-kernel:5.12/futex2 3/16] kernel/futex2.c:714:28: error: variable has incomplete type 'struct compat_futex_waitv'

by kernel test robot

tree: https://github.com/zen-kernel/zen-kernel 5.12/futex2 head: 81255c11c48cc2302883425c87318f9cad37e7e6 commit: 04a97ad2406166e12a13f09c9981f18e6487f530 [3/16] futex2: Implement vectorized wait config: powerpc-randconfig-r013-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/zen-kernel/zen-kernel/commit/04a97ad2406166e12a13f09c9... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.12/futex2 git checkout 04a97ad2406166e12a13f09c9981f18e6487f530 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All error/warnings (new ones prefixed by >>): In file included from kernel/futex2.c:16: In file included from include/linux/freezer.h:7: In file included from include/linux/debug_locks.h:5: In file included from include/linux/atomic.h:7: In file included from arch/powerpc/include/asm/atomic.h:11: In file included from arch/powerpc/include/asm/cmpxchg.h:8: In file included from include/linux/bug.h:5: In file included from arch/powerpc/include/asm/bug.h:109: In file included from include/asm-generic/bug.h:20: In file included from include/linux/kernel.h:11: In file included from include/linux/bitops.h:32: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ <built-in>:309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ >> kernel/futex2.c:711:16: warning: declaration of 'struct compat_futex_waitv' will not be visible outside of this function [-Wvisibility] struct compat_futex_waitv __user *uwaitv, ^ >> kernel/futex2.c:714:28: error: variable has incomplete type 'struct compat_futex_waitv' struct compat_futex_waitv waitv; ^ kernel/futex2.c:711:16: note: forward declaration of 'struct compat_futex_waitv' struct compat_futex_waitv __user *uwaitv, ^ >> kernel/futex2.c:719:37: error: subscript of pointer to incomplete type 'struct compat_futex_waitv' if (copy_from_user(&waitv, &uwaitv[i], sizeof(waitv))) ~~~~~~^ kernel/futex2.c:711:16: note: forward declaration of 'struct compat_futex_waitv' struct compat_futex_waitv __user *uwaitv, ^ >> kernel/futex2.c:728:31: error: implicit declaration of function 'compat_ptr' [-Werror,-Wimplicit-function-declaration] futexv->objects[i].uaddr = compat_ptr(waitv.uaddr); ^ >> kernel/futex2.c:747:37: error: expected identifier COMPAT_SYSCALL_DEFINE4(futex_waitv, struct compat_futex_waitv __user *, waiters, ^ >> kernel/futex2.c:754:6: error: use of undeclared identifier 'flags' if (flags & ~FUTEXV_MASK) ^ >> kernel/futex2.c:757:7: error: use of undeclared identifier 'nr_futexes' if (!nr_futexes || nr_futexes > FUTEX_WAITV_MAX || !waiters) ^ kernel/futex2.c:757:21: error: use of undeclared identifier 'nr_futexes' if (!nr_futexes || nr_futexes > FUTEX_WAITV_MAX || !waiters) ^ >> kernel/futex2.c:757:54: error: use of undeclared identifier 'waiters' if (!nr_futexes || nr_futexes > FUTEX_WAITV_MAX || !waiters) ^ kernel/futex2.c:760:50: error: use of undeclared identifier 'nr_futexes' futexv = kmalloc((sizeof(struct futex_waiter) * nr_futexes) + ^ kernel/futex2.c:768:41: error: use of undeclared identifier 'waiters' ret = compat_futex_parse_waitv(futexv, waiters, nr_futexes); ^ kernel/futex2.c:768:50: error: use of undeclared identifier 'nr_futexes' ret = compat_futex_parse_waitv(futexv, waiters, nr_futexes); ^ kernel/futex2.c:771:31: error: use of undeclared identifier 'nr_futexes' ret = __futex_waitv(futexv, nr_futexes, timo, flags); ^ >> kernel/futex2.c:771:43: error: use of undeclared identifier 'timo' ret = __futex_waitv(futexv, nr_futexes, timo, flags); ^ kernel/futex2.c:771:49: error: use of undeclared identifier 'flags' ret = __futex_waitv(futexv, nr_futexes, timo, flags); ^ >> kernel/futex2.c:747:1: warning: no previous prototype for function 'COMPAT_SYSCALL_DEFINE4' [-Wmissing-prototypes] COMPAT_SYSCALL_DEFINE4(futex_waitv, struct compat_futex_waitv __user *, waiters, ^ kernel/futex2.c:747:1: note: declare 'static' if the function is not intended to be used outside of this translation unit COMPAT_SYSCALL_DEFINE4(futex_waitv, struct compat_futex_waitv __user *, waiters, ^ static >> kernel/futex2.c:747:23: error: this old-style function definition is not preceded by a prototype [-Werror,-Wstrict-prototypes] COMPAT_SYSCALL_DEFINE4(futex_waitv, struct compat_futex_waitv __user *, waiters, ^ 3 warnings and 15 errors generated. vim +714 kernel/futex2.c 700 701 #ifdef CONFIG_COMPAT 702 /** 703 * compat_futex_parse_waitv - Parse a waitv array from userspace 704 * @futexv: Kernel side list of waiters to be filled 705 * @uwaitv: Userspace list to be parsed 706 * @nr_futexes: Length of futexv 707 * 708 * Return: Error code on failure, pointer to a prepared futexv otherwise 709 */ 710 static int compat_futex_parse_waitv(struct futex_waiter_head *futexv, > 711 struct compat_futex_waitv __user *uwaitv, 712 unsigned int nr_futexes) 713 { > 714 struct compat_futex_waitv waitv; 715 struct futex_bucket *bucket; 716 unsigned int i; 717 718 for (i = 0; i < nr_futexes; i++) { > 719 if (copy_from_user(&waitv, &uwaitv[i], sizeof(waitv))) 720 return -EFAULT; 721 722 if ((waitv.flags & ~FUTEXV_WAITER_MASK) || 723 (waitv.flags & FUTEX_SIZE_MASK) != FUTEX_32) 724 return -EINVAL; 725 726 futexv->objects[i].key.pointer = 0; 727 futexv->objects[i].flags = waitv.flags; > 728 futexv->objects[i].uaddr = compat_ptr(waitv.uaddr); 729 futexv->objects[i].val = waitv.val; 730 futexv->objects[i].index = i; 731 732 bucket = futex_get_bucket(compat_ptr(waitv.uaddr), 733 &futexv->objects[i].key, 734 is_object_shared); 735 736 if (IS_ERR(bucket)) 737 return PTR_ERR(bucket); 738 739 futexv->objects[i].bucket = bucket; 740 741 INIT_LIST_HEAD(&futexv->objects[i].list); 742 } 743 744 return 0; 745 } 746 > 747 COMPAT_SYSCALL_DEFINE4(futex_waitv, struct compat_futex_waitv __user *, waiters, 748 unsigned int, nr_futexes, unsigned int, flags, 749 struct __kernel_timespec __user *, timo) 750 { 751 struct futex_waiter_head *futexv; 752 int ret; 753 > 754 if (flags & ~FUTEXV_MASK) 755 return -EINVAL; 756 > 757 if (!nr_futexes || nr_futexes > FUTEX_WAITV_MAX || !waiters) 758 return -EINVAL; 759 760 futexv = kmalloc((sizeof(struct futex_waiter) * nr_futexes) + 761 sizeof(*futexv), GFP_KERNEL); 762 if (!futexv) 763 return -ENOMEM; 764 765 futexv->hint = false; 766 futexv->task = current; 767 768 ret = compat_futex_parse_waitv(futexv, waiters, nr_futexes); 769 770 if (!ret) > 771 ret = __futex_waitv(futexv, nr_futexes, timo, flags); 772 773 kfree(futexv); 774 775 return ret; 776 } 777 #endif 778 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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