Buildresult: mpe/85xx/ksi8560_defconfig/powerpc-gcc4.6 built on May 24 2018, 01:40
kisskb
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Status:
OK
Date/Time:
May 24 2018, 01:40
Duration:
0:00:36.639416
Builder:
ka3
Revision:
powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit (
2e2e7910e6eccaed0c3bce8125e60e16d19dfc29)
Target:
mpe/85xx/ksi8560_defconfig/powerpc-gcc4.6
Branch:
mpe
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3)
Config:
85xx/ksi8560_defconfig
(
download
)
Log:
Download original
Possible warnings (1)
kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify 2e2e7910e6eccaed0c3bce8125e60e16d19dfc29^{commit} 2e2e7910e6eccaed0c3bce8125e60e16d19dfc29 already have revision, skipping fetch # git checkout -q -f -B kisskb 2e2e7910e6eccaed0c3bce8125e60e16d19dfc29 # git clean -qxdf # < git log -1 # commit 2e2e7910e6eccaed0c3bce8125e60e16d19dfc29 # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Tue May 22 09:00:00 2018 +1000 # # powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit # # On some CPUs we can prevent a vulnerability related to store-to-load # forwarding by preventing store forwarding between privilege domains, # by inserting a barrier in kernel entry and exit paths. # # This is known to be the case on at least Power7, Power8 and Power9 # powerpc CPUs. # # Barriers must be inserted generally before the first load after moving # to a higher privilege, and after the last store before moving to a # lower privilege, HV and PR privilege transitions must be protected. # # Barriers are added as patch sections, with all kernel/hypervisor entry # points patched, and the exit points to lower privilge levels patched # similarly to the RFI flush patching. # # Firmware advertisement is not implemented yet, so CPU flush types # are hard coded. # # Thanks to Michal Suchánek for bug fixes and review. # # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> # Signed-off-by: Michael Neuling <mikey@neuling.org> # Signed-off-by: Michal Suchánek <msuchanek@suse.de> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # (cherry picked from commit a048a07d7f4535baa4cbad6bc024f175317ab938) # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 2e2e7910e6eccaed0c3bce8125e60e16d19dfc29 # < make -s -j 80 ARCH=powerpc O=/kisskb/build/mpe_85xx_ksi8560_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 85xx/ksi8560_defconfig # make -s -j 80 ARCH=powerpc O=/kisskb/build/mpe_85xx_ksi8560_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:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] INFO: Uncompressed kernel (size 0x49e9b0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) INFO: Uncompressed kernel (size 0x48e3d8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-4.14.43-g2e2e791 Created: Thu May 24 01:40:57 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2321963 Bytes = 2267.54 kB = 2.21 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.14.43-g2e2e791 Created: Thu May 24 01:40:57 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2346795 Bytes = 2291.79 kB = 2.24 MB Load Address: 00500000 Entry Point: 00500288 Completed OK # rm -rf /kisskb/build/mpe_85xx_ksi8560_defconfig_powerpc # Build took: 0:00:36.639416
© Michael Ellerman 2006-2018.