Buildresult: powerpc-fixes/44x/iss476-smp_defconfig/powerpc-gcc4.6 built on Oct 29 2019, 22:56

kisskb

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Status:	OK
Date/Time:	Oct 29 2019, 22:56
Duration:	0:00:52.461299
Builder:	ka1
Revision:	powerpc/powernv: Fix CPU idle to be called with IRQs disabled (`7d6475051fb3d9339c5c760ed9883bc0a9048b21)`
Target:	powerpc-fixes/44x/iss476-smp_defconfig/powerpc-gcc4.6
Branch:	powerpc-fixes
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	44x/iss476-smp_defconfig (download)
Log:	Download original Possible warnings (9) WARNING: unmet direct dependencies detected for HOTPLUG_CPU WARNING: unmet direct dependencies detected for HOTPLUG_CPU block/blk.h:78:50: warning: 'bvprv.bv_offset' may be used uninitialized in this function [-Wuninitialized] block/blk.h:81:12: warning: 'bvprv.bv_len' may be used uninitialized in this function [-Wuninitialized] arch/powerpc/include/asm/io.h:802:22: warning: 'bvprv.bv_page' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/srcutree.c:140:32: warning: 'levelspread[<U6780>]' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 7d6475051fb3d9339c5c760ed9883bc0a9048b21^{commit} 7d6475051fb3d9339c5c760ed9883bc0a9048b21 already have revision, skipping fetch # git checkout -q -f -B kisskb 7d6475051fb3d9339c5c760ed9883bc0a9048b21 # git clean -qxdf # < git log -1 # commit 7d6475051fb3d9339c5c760ed9883bc0a9048b21 # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Tue Oct 22 21:58:14 2019 +1000 # # powerpc/powernv: Fix CPU idle to be called with IRQs disabled # # Commit e78a7614f3876 ("idle: Prevent late-arriving interrupts from # disrupting offline") changes arch_cpu_idle_dead to be called with # interrupts disabled, which triggers the WARN in pnv_smp_cpu_kill_self. # # Fix this by fixing up irq_happened after hard disabling, rather than # requiring there are no pending interrupts, similarly to what was done # done until commit 2525db04d1cc5 ("powerpc/powernv: Simplify lazy IRQ # handling in CPU offline"). # # Fixes: e78a7614f3876 ("idle: Prevent late-arriving interrupts from disrupting offline") # Reported-by: Paul Mackerras <paulus@samba.org> # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # [mpe: Add unexpected_mask rather than checking for known bad values, # change the WARN_ON() to a WARN_ON_ONCE()] # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20191022115814.22456-1-npiggin@gmail.com # < /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 7d6475051fb3d9339c5c760ed9883bc0a9048b21 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_iss476-smp_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 44x/iss476-smp_defconfig WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] \|\| PPC_PMAC [=n] \|\| PPC_POWERNV [=n] \|\| FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] \|\| ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] \|\| PPC_PMAC [=n] \|\| PPC_POWERNV [=n] \|\| FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] \|\| ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_iss476-smp_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/block/blk-merge.c: In function 'blk_rq_map_sg': /kisskb/src/block/blk.h:78:50: warning: 'bvprv.bv_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_offset' was declared here /kisskb/src/block/blk.h:81:12: warning: 'bvprv.bv_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_len' was declared here /kisskb/src/arch/powerpc/include/asm/io.h:802:22: warning: 'bvprv.bv_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_page' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /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:338:21: note: 'pdeo' was declared here /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:140:32: warning: 'levelspread[<U6780>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:88:6: note: 'levelspread[<U6780>]' was declared here /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here INFO: Uncompressed kernel (size 0x61b218) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x61b218) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) Completed OK # rm -rf /kisskb/build/powerpc-fixes_44x_iss476-smp_defconfig_powerpc-gcc4.6 # Build took: 0:00:52.461299

© Michael Ellerman 2006-2018.