Buildresult: powerpc-next/ppc44x_defconfig/powerpc-gcc5 built on Jul 3 2018, 02:00
kisskb
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Status:
OK
Date/Time:
Jul 3 2018, 02:00
Duration:
0:00:55.182053
Builder:
ka1
Revision:
ocxl: Fix page fault handler in case of fault on dying process (
d497ebf5fb3a026c0817f8c96cde578787f24093)
Target:
powerpc-next/ppc44x_defconfig/powerpc-gcc5
Branch:
powerpc-next
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.3.0)
Config:
ppc44x_defconfig
(
download
)
Log:
Download original
Possible warnings (4)
arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
Full Log
# git rev-parse -q --verify d497ebf5fb3a026c0817f8c96cde578787f24093^{commit} d497ebf5fb3a026c0817f8c96cde578787f24093 already have revision, skipping fetch # git checkout -q -f -B kisskb d497ebf5fb3a026c0817f8c96cde578787f24093 # git clean -qxdf # < git log -1 # commit d497ebf5fb3a026c0817f8c96cde578787f24093 # Author: Frederic Barrat <fbarrat@linux.ibm.com> # Date: Mon Jun 18 14:14:36 2018 +0200 # # ocxl: Fix page fault handler in case of fault on dying process # # If a process exits without doing proper cleanup, there's a window # where an opencapi device can try to access the memory of the dying # process and may trigger a page fault. That's an expected scenario and # the ocxl driver holds a reference on the mm_struct of the process # until the opencapi device is notified of the process exiting. # However, if mm_users is already at 0, i.e. the address space of the # process has already been destroyed, the driver shouldn't try resolving # the page fault, as it will fail, but it can also try accessing already # freed data. # # It is fixed by only calling the bottom half of the page fault handler # if mm_users is greater than 0 and get a reference on mm_users instead # of mm_count. Otherwise, we can safely return a translation fault to # the device, as its associated memory context is being removed. The # opencapi device will be properly cleaned up shortly after when closing # the file descriptors. # # Fixes: 5ef3166e8a32 ("ocxl: Driver code for 'generic' opencapi devices") # Cc: stable@vger.kernel.org # v4.16+ # Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com> # Reviewed-By: Alastair D'Silva <alastair@d-silva.org> # Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 d497ebf5fb3a026c0817f8c96cde578787f24093 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc44x_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc44x_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc44x_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x51352c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x523c44) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642803 Bytes = 2580.86 kB = 2.52 MB Load Address: 00600000 Entry Point: 006010f8 Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2643008 Bytes = 2581.06 kB = 2.52 MB Load Address: 00600000 Entry Point: 006010ec Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2617684 Bytes = 2556.33 kB = 2.50 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642832 Bytes = 2580.89 kB = 2.52 MB Load Address: 00600000 Entry Point: 00601110 Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642642 Bytes = 2580.71 kB = 2.52 MB Load Address: 00600000 Entry Point: 0060110c Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642690 Bytes = 2580.75 kB = 2.52 MB Load Address: 00600000 Entry Point: 0060018c Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642940 Bytes = 2581.00 kB = 2.52 MB Load Address: 00600000 Entry Point: 00601104 Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642970 Bytes = 2581.03 kB = 2.52 MB Load Address: 00600000 Entry Point: 006010fc Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:31 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642859 Bytes = 2580.92 kB = 2.52 MB Load Address: 00600000 Entry Point: 00601104 Image Name: Linux-4.18.0-rc3-gd497ebf Created: Tue Jul 3 02:01:31 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2642912 Bytes = 2580.97 kB = 2.52 MB Load Address: 00600000 Entry Point: 006000a8 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc44x_defconfig_powerpc-5.3 # Build took: 0:00:55.182053
© Michael Ellerman 2006-2018.