Buildresult: powerpc-next/52xx/cm5200_defconfig/powerpc-gcc4.6 built on May 2 2019, 20:09

kisskb

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Status:	OK
Date/Time:	May 2 2019, 20:09
Duration:	0:00:21.885691
Builder:	ka4
Revision:	powerpc/64: Don't trace code that runs with the soft irq mask unreconciled (`ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d)`
Target:	powerpc-next/52xx/cm5200_defconfig/powerpc-gcc4.6
Branch:	powerpc-next
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	52xx/cm5200_defconfig (download)
Log:	Download original Possible warnings (10) <stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp] <stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp] <stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp] <stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/futex.c:1658:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o(.text+0xe308): Section mismatch in reference from the function setup_kup() to the function .init.text:setup_kuep() WARNING: vmlinux.o(.text+0xe310): Section mismatch in reference from the function setup_kup() to the function .init.text:setup_kuap() Full Log # git rev-parse -q --verify ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d^{commit} ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d already have revision, skipping fetch # git checkout -q -f -B kisskb ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # git clean -qxdf # < git log -1 # commit ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Thu May 2 15:21:07 2019 +1000 # # powerpc/64: Don't trace code that runs with the soft irq mask unreconciled # # "Reconciling" in terms of interrupt handling, is to bring the soft irq # mask state in to synch with the hardware, after an interrupt causes # MSR[EE] to be cleared (while the soft mask may be enabled, and hard # irqs not marked disabled). # # General kernel code should not be called while unreconciled, because # local_irq_disable, etc. manipulations can cause surprising irq traces, # and it's fragile because the soft irq code does not really expect to # be called in this situation. # # When exiting from an interrupt, MSR[EE] is cleared to prevent races, # but soft irq state is enabled for the returned-to context, so this is # now an unreconciled state. restore_math is called in this state, and # that can be ftraced, and the ftrace subsystem disables local irqs. # # Mark restore_math and its callees as notrace. Restore a sanity check # in the soft irq code that had to be disabled for this case, by commit # 4da1f79227ad4 ("powerpc/64: Disable irq restore warning for now"). # # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 52xx/cm5200_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- <stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp] <stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp] <stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp] <stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:337:21: note: 'pdeo' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1658:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:1633:6: note: 'oldval' was declared here /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o(.text+0xe308): Section mismatch in reference from the function setup_kup() to the function .init.text:setup_kuep() The function setup_kup() references the function __init setup_kuep(). This is often because setup_kup lacks a __init annotation or the annotation of setup_kuep is wrong. WARNING: vmlinux.o(.text+0xe310): Section mismatch in reference from the function setup_kup() to the function .init.text:setup_kuap() The function setup_kup() references the function __init setup_kuap(). This is often because setup_kup lacks a __init annotation or the annotation of setup_kuap is wrong. INFO: Uncompressed kernel (size 0x500da8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.1.0-rc3-gae02efbc3fcb Created: Thu May 2 20:09:58 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2552424 Bytes = 2492.60 KiB = 2.43 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6 # Build took: 0:00:21.885691

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