# git rev-parse -q --verify 7e9ff1faf1a47d9a7745dd61827f64ecd9785514^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
# git rev-parse -q --verify 7e9ff1faf1a47d9a7745dd61827f64ecd9785514^{commit}
7e9ff1faf1a47d9a7745dd61827f64ecd9785514
# git checkout -q -f -B kisskb 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
# git clean -qxdf
# git log -1
commit 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
Merge: 8ed97c2 3176609
Author: Ingo Molnar <mingo@kernel.org>
Date:   Sun Mar 4 09:59:03 2018 +0100

    Merge branch 'perf/urgent'
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 7e9ff1faf1a47d9a7745dd61827f64ecd9785514
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_pmac32_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  pmac32_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_pmac32_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
In file included from /kisskb/src/kernel/sched/core.c:8:0:
/kisskb/src/arch/powerpc/include/asm/switch_to.h:21:44: warning: 'struct debug_reg' declared inside parameter list [enabled by default]
/kisskb/src/arch/powerpc/include/asm/switch_to.h:21:44: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
/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/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/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/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
/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/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7':
/kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' 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
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
INFO: Uncompressed kernel (size 0x88a1bc) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x900000)
Completed OK
# rm -rf /kisskb/build/tip_pmac32_defconfig_powerpc
# Build took: 0:01:12.084711