# git rev-parse -q --verify b6a4fec7d708dcc769f908ce7b308a0de8b3ad8f^{commit} b6a4fec7d708dcc769f908ce7b308a0de8b3ad8f already have revision, skipping fetch # git checkout -q -f -B kisskb b6a4fec7d708dcc769f908ce7b308a0de8b3ad8f # git clean -qxdf # < git log -1 # commit b6a4fec7d708dcc769f908ce7b308a0de8b3ad8f # Author: Aneesh Kumar K.V # Date: Tue Sep 3 18:04:52 2019 +0530 # # powerpc/nvdimm: use H_SCM_QUERY hcall on H_OVERLAP error # # Right now we force an unbind of SCM memory at drcindex on H_OVERLAP error. # This really slows down operations like kexec where we get the H_OVERLAP # error because we don't go through a full hypervisor re init. # # H_OVERLAP error for a H_SCM_BIND_MEM hcall indicates that SCM memory at # drc index is already bound. Since we don't specify a logical memory # address for bind hcall, we can use the H_SCM_QUERY hcall to query # the already bound logical address. # # Boot time difference with and without patch is: # # [ 5.583617] IOMMU table initialized, virtual merging enabled # [ 5.603041] papr_scm ibm,persistent-memory:ibm,pmemory@44104001: Retrying bind after unbinding # [ 301.514221] papr_scm ibm,persistent-memory:ibm,pmemory@44108001: Retrying bind after unbinding # [ 340.057238] hv-24x7: read 1530 catalog entries, created 537 event attrs (0 failures), 275 descs # # after fix # # [ 5.101572] IOMMU table initialized, virtual merging enabled # [ 5.116984] papr_scm ibm,persistent-memory:ibm,pmemory@44104001: Querying SCM details # [ 5.117223] papr_scm ibm,persistent-memory:ibm,pmemory@44108001: Querying SCM details # [ 5.120530] hv-24x7: read 1530 catalog entries, created 537 event attrs (0 failures), 275 descs # # Signed-off-by: Aneesh Kumar K.V # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20190903123452.28620-2-aneesh.kumar@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 b6a4fec7d708dcc769f908ce7b308a0de8b3ad8f # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # Added to kconfig CONFIG_PPC_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ /kisskb/src/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: note: in expansion of macro 'IS_ERR_VALUE' if (IS_ERR_VALUE(fep->ring_mem_addr)) ^~~~~~~~~~~~ In file included from /kisskb/src/include/linux/acpi.h:15, from /kisskb/src/include/linux/i2c.h:13, from /kisskb/src/include/uapi/linux/fb.h:6, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:20: /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c: In function 'fsl_diu_ioctl': /kisskb/src/include/linux/device.h:1743:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro 'dev_warn' dev_warn(info->dev, ^~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1290:2: note: here case MFB_SET_PIXFMT: ^~~~ In file included from /kisskb/src/include/linux/acpi.h:15, from /kisskb/src/include/linux/i2c.h:13, from /kisskb/src/include/uapi/linux/fb.h:6, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:20: /kisskb/src/include/linux/device.h:1743:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro 'dev_warn' dev_warn(info->dev, ^~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1299:2: note: here case MFB_GET_PIXFMT: ^~~~ /kisskb/src/drivers/crypto/talitos.c: In function 'talitos_remove': /kisskb/src/drivers/crypto/talitos.c:3118:4: warning: this statement may fall through [-Wimplicit-fallthrough=] crypto_unregister_aead(&t_alg->algt.alg.aead); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/crypto/talitos.c:3119:3: note: here case CRYPTO_ALG_TYPE_AHASH: ^~~~ /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdeaba4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xdda370) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6565764 Bytes = 6411.88 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564619 Bytes = 6410.76 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564475 Bytes = 6410.62 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564332 Bytes = 6410.48 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564478 Bytes = 6410.62 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564487 Bytes = 6410.63 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6565737 Bytes = 6411.85 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564610 Bytes = 6410.75 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6529105 Bytes = 6376.08 KiB = 6.23 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564513 Bytes = 6410.66 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6565740 Bytes = 6411.86 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564375 Bytes = 6410.52 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564488 Bytes = 6410.63 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564696 Bytes = 6410.84 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6564510 Bytes = 6410.65 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.3.0-gb6a4fec7d708 Created: Tue Sep 24 22:35:12 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6565982 Bytes = 6412.09 KiB = 6.26 MiB Load Address: 00e00000 Entry Point: 00e002b4 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 # Build took: 0:01:32.766818