# git rev-parse -q --verify bad32f8b971407f2f651b9ceedd2093ce478041f^{commit} bad32f8b971407f2f651b9ceedd2093ce478041f already have revision, skipping fetch # git checkout -q -f -B kisskb bad32f8b971407f2f651b9ceedd2093ce478041f # git clean -qxdf # < git log -1 # commit bad32f8b971407f2f651b9ceedd2093ce478041f # Author: Mauricio Faria de Oliveira # Date: Fri Mar 9 17:45:58 2018 -0300 # # powerpc/mm: Fix section mismatch warning in stop_machine_change_mapping() # # Fix the warning messages for stop_machine_change_mapping(), and a number # of other affected functions in its call chain. # # All modified functions are under CONFIG_MEMORY_HOTPLUG, so __meminit # is okay (keeps them / does not discard them). # # Boot-tested on powernv/power9/radix-mmu and pseries/power8/hash-mmu. # # $ make -j$(nproc) CONFIG_DEBUG_SECTION_MISMATCH=y vmlinux # ... # MODPOST vmlinux.o # WARNING: vmlinux.o(.text+0x6b130): Section mismatch in reference from the function stop_machine_change_mapping() to the function .meminit.text:create_physical_mapping() # The function stop_machine_change_mapping() references # the function __meminit create_physical_mapping(). # This is often because stop_machine_change_mapping lacks a __meminit # annotation or the annotation of create_physical_mapping is wrong. # # WARNING: vmlinux.o(.text+0x6b13c): Section mismatch in reference from the function stop_machine_change_mapping() to the function .meminit.text:create_physical_mapping() # The function stop_machine_change_mapping() references # the function __meminit create_physical_mapping(). # This is often because stop_machine_change_mapping lacks a __meminit # annotation or the annotation of create_physical_mapping is wrong. # ... # # Signed-off-by: Mauricio Faria de Oliveira # Acked-by: Balbir Singh # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 bad32f8b971407f2f651b9ceedd2093ce478041f # < make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc6xx_defconfig # make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:225:6: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/joystick/analog.c:176:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec': /kisskb/src/net/bridge/br_netlink.c:635:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:220:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2043:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1350:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1307:6: note: 'pwr_level_cisco' was declared here /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1816:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1726:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@0 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@4 INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa1ac90) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b3b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa1ac90) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836663 Bytes = 4723.30 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b007a0 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835178 Bytes = 4721.85 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835722 Bytes = 4722.38 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835917 Bytes = 4722.58 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836302 Bytes = 4722.95 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4812126 Bytes = 4699.34 kB = 4.59 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836029 Bytes = 4722.68 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836876 Bytes = 4723.51 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b007a0 Image Name: Linux-4.16.0-rc4+ Created: Mon Mar 26 22:19:44 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836758 Bytes = 4723.40 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc # Build took: 0:04:32.245173