# git rev-parse -q --verify a5d4b5891c2f1f865a2def1eb0030f534e77ff86^{commit} a5d4b5891c2f1f865a2def1eb0030f534e77ff86 already have revision, skipping fetch # git checkout -q -f -B kisskb a5d4b5891c2f1f865a2def1eb0030f534e77ff86 # git clean -qxdf # < git log -1 # commit a5d4b5891c2f1f865a2def1eb0030f534e77ff86 # Author: Aneesh Kumar K.V # Date: Fri Mar 23 10:26:27 2018 +0530 # # powerpc/mm: Fixup tlbie vs store ordering issue on POWER9 # # On POWER9, under some circumstances, a broadcast TLB invalidation # might complete before all previous stores have drained, potentially # allowing stale stores from becoming visible after the invalidation. # This works around it by doubling up those TLB invalidations which was # verified by HW to be sufficient to close the risk window. # # This will be documented in a yet-to-be-published errata. # # Fixes: 1a472c9dba6b ("powerpc/mm/radix: Add tlbflush routines") # Signed-off-by: Aneesh Kumar K.V # [mpe: Enable the feature in the DT CPU features code for all Power9, # rename the feature to CPU_FTR_P9_TLBIE_BUG per benh.] # 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 a5d4b5891c2f1f865a2def1eb0030f534e77ff86 # < make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-fixes_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-fixes_ppc6xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /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/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/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/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/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/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/input/joystick/analog.c:176:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] /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/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1820:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1730:46: 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 WARNING: modpost: Found 1 section mismatch(es). To see full details build your kernel with: 'make CONFIG_DEBUG_SECTION_MISMATCH=y' 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 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa1ae64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa2b588) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa1ae64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4812005 Bytes = 4699.22 kB = 4.59 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835384 Bytes = 4722.05 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835517 Bytes = 4722.18 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836620 Bytes = 4723.26 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835690 Bytes = 4722.35 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835655 Bytes = 4722.32 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:56 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836622 Bytes = 4723.26 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b007a0 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:57 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4836575 Bytes = 4723.22 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b007a0 Image Name: Linux-4.16.0-rc2+ Created: Fri Mar 23 22:40:57 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4835490 Bytes = 4722.16 kB = 4.61 MB Load Address: 00b00000 Entry Point: 00b00230 Completed OK # rm -rf /kisskb/build/powerpc-fixes_ppc6xx_defconfig_powerpc # Build took: 0:03:52.452921