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SubjectBuild regressions/improvements in v6.4
Date
Below is the list of build error/warning regressions/improvements in
v6.4[1] compared to v6.3[2].

Summarized:
- build errors: +2/-11
- build warnings: +31/-19

JFYI, when comparing v6.4[1] to v6.4-rc7[3], the summaries are:
- build errors: +1/-0
- build warnings: +1/-0

Note that there may be false regressions, as some logs are incomplete.
Still, they're build errors/warnings.

Happy fixing! ;-)

Thanks to the linux-next team for providing the build service.

[1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/6995e2de6891c724bfeb2db33d7b87775f913ad1/ (all 160 configs)
[2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/457391b0380335d5e9a5babdec90ac53928b23b4/ (152 out of 160 configs)
[3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/45a3e24f65e90a047bef86f927ebdc4c710edaa1/ (all 160 configs)


*** ERRORS ***

2 error regressions:
+ /kisskb/src/drivers/net/wireless/cisco/airo.c: error: 'status_rid.currentXmitRate' is used uninitialized [-Werror=uninitialized]: => 6163:45
+ {standard input}: Error: branch to a symbol in another ISA mode: 4985, 4980 => 5012, 5023, 5017, 5028

11 error improvements:
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: error: 'struct cpuinfo_um' has no member named 'apicid': 2157:48, 2157:41 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: error: control reaches end of non-void function [-Werror=return-type]: 2161:1 =>
- /kisskb/src/drivers/gpu/drm/msm/msm_mdss.c: error: case label does not reduce to an integer constant: 299:2, 296:2, 300:2 =>
- /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: array subscript 2 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} [-Werror=array-bounds]: 641:28 =>
- /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: array subscript 3 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} [-Werror=array-bounds]: 641:28 =>
- /kisskb/src/drivers/spi/spi-stm32-qspi.c: error: 'op' is used uninitialized [-Werror=uninitialized]: 523:27, 564:27 =>
- /kisskb/src/fs/btrfs/send.c: error: 'right_gen' may be used uninitialized in this function [-Werror=maybe-uninitialized]: 1902:23, 1909:13 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/gimple.h: error: 'gimple_call_addr_fndecl' was not declared in this scope: 2790:10 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/gimple.h: error: 'is_gimple_reg' was not declared in this scope: 2556:18 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/gimple.h: error: field 'call_clobbered' has incomplete type 'pt_solution': 284:22 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/gimple.h: error: field 'call_used' has incomplete type 'pt_solution': 283:22 =>


*** WARNINGS ***

31 warning regressions:
+ /kisskb/src/fs/ext4/readpage.c: warning: the frame size of 1128 bytes is larger than 1024 bytes [-Wframe-larger-than=]: => 400:1
+ modpost: WARNING: modpost: "__ashldi3" [drivers/input/joystick/sidewinder.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_core.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [drivers/net/ethernet/xilinx/xilinx_emac.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [drivers/net/virtio_net.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [drivers/thunderbolt/thunderbolt.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [fs/hfsplus/hfsplus.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashldi3" [net/mac80211/mac80211.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashrdi3" [drivers/usb/gadget/function/usb_f_mass_storage.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ashrdi3" [fs/xfs/xfs.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/md/dm-writecache.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/md/dm-zoned.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_core.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/scsi/hpsa.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/scsi/mpt3sas/mpt3sas.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [drivers/thunderbolt/thunderbolt.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [fs/ext2/ext2.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [fs/ext4/ext4.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [fs/gfs2/gfs2.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [fs/ntfs3/ntfs3.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [net/mac80211/mac80211.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__lshrdi3" [net/sched/act_police.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__ndelay" [drivers/i2c/busses/i2c-mv64xxx.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/hwmon/sfctemp.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/media/platform/nxp/imx8-isi/imx8-isi.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/mmc/host/sdhci-cadence.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/ptp/ptp_dfl_tod.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/spi/spi-davinci.ko] has no CRC!: => N/A
+ modpost: WARNING: modpost: "__udelay" [drivers/thermal/mediatek/auxadc_thermal.ko] has no CRC!: => N/A

19 warning improvements:
- .config: warning: override: reassigning to symbol GCC_PLUGIN_SANCOV: 12711, 12930 =>
- .config: warning: override: reassigning to symbol UML_NET_ETHERTAP: 12716, 12949, 12730, 12935 => 12827, 13048
- .config: warning: override: reassigning to symbol UML_NET_SLIP: 12732, 12951, 12718, 12937 => 13050, 12829
- .config: warning: override: reassigning to symbol UML_NET_SLIRP: 12942, 12723, 12737, 12956 => 13055, 12834
- /kisskb/src/fs/btrfs/send.c: warning: 'right_gen' may be used uninitialized in this function [-Wmaybe-uninitialized]: 1909:13, 1902:23, 1909:27 =>
- /kisskb/src/fs/btrfs/volumes.c: warning: 'seed_devices' may be used uninitialized in this function [-Wmaybe-uninitialized]: 2524:2, 2524:9 =>
- /kisskb/src/fs/ext4/readpage.c: warning: the frame size of 1132 bytes is larger than 1024 bytes [-Wframe-larger-than=]: 404:1 =>
- /kisskb/src/include/linux/list.h: warning: 'seed_devices' may be used uninitialized in this function [-Wmaybe-uninitialized]: 74:12, 74:19 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/config/elfos.h: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]: 170:24, 102:21 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/config/mips/mips.h: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]: 2913:20 =>
- /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/5.4.0/plugin/include/defaults.h: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]: 126:24 =>
- modpost: WARNING: modpost: "__udelay" [drivers/char/pcmcia/cm4000_cs.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/char/pcmcia/synclink_cs.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/media/i2c/noon010pc30.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/media/i2c/vs6624.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/net/ethernet/intel/ixgb/ixgb.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/phy/intel/phy-intel-thunderbay-emmc.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/usb/host/u132-hcd.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "__udelay" [drivers/usb/misc/ftdi-elan.ko] has no CRC!: N/A =>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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