Buildresult: powerpc-fixes/85xx/stx_gp3_defconfig/powerpc-gcc4.6 built on Mar 23 2018, 22:46
kisskb
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Status:
OK
Date/Time:
Mar 23 2018, 22:46
Duration:
0:00:28.250221
Builder:
ka4
Revision:
powerpc/mm: Fixup tlbie vs store ordering issue on POWER9 (
a5d4b5891c2f1f865a2def1eb0030f534e77ff86)
Target:
powerpc-fixes/85xx/stx_gp3_defconfig/powerpc-gcc4.6
Branch:
powerpc-fixes
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3)
Config:
85xx/stx_gp3_defconfig
(
download
)
Log:
Download original
Possible warnings (2)
kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:225:6: warning: 'k' may be used uninitialized in this function [-Wuninitialized]
Full Log
# 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 <aneesh.kumar@linux.vnet.ibm.com> # 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 <aneesh.kumar@linux.vnet.ibm.com> # [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 <mpe@ellerman.id.au> # < /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 40 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_stx_gp3_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 85xx/stx_gp3_defconfig # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_stx_gp3_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/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] INFO: Uncompressed kernel (size 0x4f0998) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-4.16.0-rc2-ga5d4b58 Created: Fri Mar 23 22:46:51 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2540631 Bytes = 2481.08 kB = 2.42 MB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_85xx_stx_gp3_defconfig_powerpc # Build took: 0:00:28.250221
© Michael Ellerman 2006-2018.