Buildresult: powerpc-next/ppc6xx_defconfig/powerpc-gcc8 built on Sep 5 2019, 23:39
kisskb
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Status:
OK
Date/Time:
Sep 5 2019, 23:39
Duration:
0:05:08.847989
Builder:
blade4b
Revision:
powerpc/64: Fix stacktrace on BE when function_graph is enabled (
35f7eea41dba2cdfb11be7a37eb21cf010fd3220)
Target:
powerpc-next/ppc6xx_defconfig/powerpc-gcc8
Branch:
powerpc-next
Compiler:
powerpc-gcc8
(powerpc64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:
ppc6xx_defconfig
(
download
)
Log:
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Possible warnings (2)
drivers/crypto/talitos.c:3142:4: warning: this statement may fall through [-Wimplicit-fallthrough=] include/sound/control.h:208:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized]
Full Log
# git rev-parse -q --verify 35f7eea41dba2cdfb11be7a37eb21cf010fd3220^{commit} 35f7eea41dba2cdfb11be7a37eb21cf010fd3220 already have revision, skipping fetch # git checkout -q -f -B kisskb 35f7eea41dba2cdfb11be7a37eb21cf010fd3220 # git clean -qxdf # < git log -1 # commit 35f7eea41dba2cdfb11be7a37eb21cf010fd3220 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Fri Aug 23 22:29:01 2019 +1000 # # powerpc/64: Fix stacktrace on BE when function_graph is enabled # # Currently if we oops or warn while function_graph is active the stack # trace looks like: # .trace_graph_return+0xac/0x100 # .ftrace_return_to_handler+0x98/0x140 # .return_to_handler+0x20/0x40 # .return_to_handler+0x0/0x40 # .return_to_handler+0x0/0x40 # .return_to_handler+0x0/0x40 # .return_to_handler+0x0/0x40 # .return_to_handler+0x0/0x40 # .return_to_handler+0x0/0x40 # .cpu_startup_entry+0x34/0x40 # .start_secondary+0x680/0x6f0 # start_secondary_prolog+0x10/0x14 # # Notice the multiple entries that just show .return_to_handler. # # There is logic in show_stack() to detect this case and print the # traced function, but we inadvertently broke it in commit # 7d56c65a6ff9 ("powerpc/ftrace: Remove mod_return_to_handler") (2014), # because that commit accidentally removed the dereference of rth which # gets the text address from the function descriptor. Hence this is only # broken on big endian (or technically ELFv1). # # Fix it by using the proper accessor, which is ppc_function_entry(). # Result is we get a stack trace such as: # # .trace_graph_return+0x134/0x160 # .ftrace_return_to_handler+0x94/0x140 # .return_to_handler+0x20/0x40 # .return_to_handler+0x0/0x40 (.shared_cede_loop+0x48/0x130) # .return_to_handler+0x0/0x40 (.cpuidle_enter_state+0xa0/0x690) # .return_to_handler+0x0/0x40 (.cpuidle_enter+0x44/0x70) # .return_to_handler+0x0/0x40 (.call_cpuidle+0x68/0xc0) # .return_to_handler+0x0/0x40 (.do_idle+0x37c/0x400) # .return_to_handler+0x0/0x40 (.cpu_startup_entry+0x30/0x50) # .rest_init+0x224/0x348 # # Fixes: 7d56c65a6ff9 ("powerpc/ftrace: Remove mod_return_to_handler") # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20190823122901.32667-1-mpe@ellerman.id.au # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 35f7eea41dba2cdfb11be7a37eb21cf010fd3220 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/drivers/crypto/talitos.c: In function 'talitos_remove': /kisskb/src/drivers/crypto/talitos.c:3142:4: warning: this statement may fall through [-Wimplicit-fallthrough=] crypto_unregister_aead(&t_alg->algt.alg.aead); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/crypto/talitos.c:3143:3: note: here case CRYPTO_ALG_TYPE_AHASH: ^~~~ In file included from /kisskb/src/sound/ppc/pmac.h:12, from /kisskb/src/sound/ppc/awacs.c:16: /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:208:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized] return _snd_ctl_add_slave(master, slave, 0); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/sound/ppc/awacs.c:873:36: note: 'speaker_vol' was declared here struct snd_kcontrol *master_vol, *speaker_vol; ^~~~~~~~~~~ INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb355cc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb45ce4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb355cc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:55 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5385927 Bytes = 5259.69 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c00934 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:55 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5386264 Bytes = 5260.02 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:56 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5386248 Bytes = 5260.01 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:56 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5386734 Bytes = 5260.48 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c00934 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:56 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5385712 Bytes = 5259.48 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:56 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5385241 Bytes = 5259.02 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:56 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5350012 Bytes = 5224.62 KiB = 5.10 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:57 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5385411 Bytes = 5259.19 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Image Name: Linux-5.3.0-rc2+ Created: Thu Sep 5 23:43:57 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5385180 Bytes = 5258.96 KiB = 5.14 MiB Load Address: 00c00000 Entry Point: 00c002a4 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc8 # Build took: 0:05:08.847989
© Michael Ellerman 2006-2018.