Buildresult: powerpc-fixes/40x/ep405_defconfig/powerpc-gcc5 built on May 2 2019, 18:47

kisskb

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Status:	OK
Date/Time:	May 2 2019, 18:47
Duration:	0:01:19.177818
Builder:	ka3
Revision:	powerpc/32s: Fix BATs setting with CONFIG_STRICT_KERNEL_RWX (`12f363511d47f86c49b7766c349989cb33fd61a8)`
Target:	powerpc-fixes/40x/ep405_defconfig/powerpc-gcc5
Branch:	powerpc-fixes
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	40x/ep405_defconfig (download)
Log:	Download original Possible warnings (8) <stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp] <stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp] <stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp] <stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp] arch/powerpc/kernel/head_40x.S:883: Warning: invalid register expression net/sunrpc/xprtsock.c:498:15: warning: 'read' may be used uninitialized in this function [-Wmaybe-uninitialized] net/sunrpc/xprtsock.c:529:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] Full Log # git rev-parse -q --verify 12f363511d47f86c49b7766c349989cb33fd61a8^{commit} 12f363511d47f86c49b7766c349989cb33fd61a8 already have revision, skipping fetch # git checkout -q -f -B kisskb 12f363511d47f86c49b7766c349989cb33fd61a8 # git clean -qxdf # < git log -1 # commit 12f363511d47f86c49b7766c349989cb33fd61a8 # Author: Christophe Leroy <christophe.leroy@c-s.fr> # Date: Tue Apr 30 16:11:59 2019 +0000 # # powerpc/32s: Fix BATs setting with CONFIG_STRICT_KERNEL_RWX # # Serge reported some crashes with CONFIG_STRICT_KERNEL_RWX enabled # on a book3s32 machine. # # Analysis shows two issues: # - BATs addresses and sizes are not properly aligned. # - There is a gap between the last address covered by BATs and the # first address covered by pages. # # Memory mapped with DBATs: # 0: 0xc0000000-0xc07fffff 0x00000000 Kernel RO coherent # 1: 0xc0800000-0xc0bfffff 0x00800000 Kernel RO coherent # 2: 0xc0c00000-0xc13fffff 0x00c00000 Kernel RW coherent # 3: 0xc1400000-0xc23fffff 0x01400000 Kernel RW coherent # 4: 0xc2400000-0xc43fffff 0x02400000 Kernel RW coherent # 5: 0xc4400000-0xc83fffff 0x04400000 Kernel RW coherent # 6: 0xc8400000-0xd03fffff 0x08400000 Kernel RW coherent # 7: 0xd0400000-0xe03fffff 0x10400000 Kernel RW coherent # # Memory mapped with pages: # 0xe1000000-0xefffffff 0x21000000 240M rw present dirty accessed # # This patch fixes both issues. With the patch, we get the following # which is as expected: # # Memory mapped with DBATs: # 0: 0xc0000000-0xc07fffff 0x00000000 Kernel RO coherent # 1: 0xc0800000-0xc0bfffff 0x00800000 Kernel RO coherent # 2: 0xc0c00000-0xc0ffffff 0x00c00000 Kernel RW coherent # 3: 0xc1000000-0xc1ffffff 0x01000000 Kernel RW coherent # 4: 0xc2000000-0xc3ffffff 0x02000000 Kernel RW coherent # 5: 0xc4000000-0xc7ffffff 0x04000000 Kernel RW coherent # 6: 0xc8000000-0xcfffffff 0x08000000 Kernel RW coherent # 7: 0xd0000000-0xdfffffff 0x10000000 Kernel RW coherent # # Memory mapped with pages: # 0xe0000000-0xefffffff 0x20000000 256M rw present dirty accessed # # Fixes: 63b2bc619565 ("powerpc/mm/32s: Use BATs for STRICT_KERNEL_RWX") # Reported-by: Serge Belyshev <belyshev@depni.sinp.msu.ru> # Acked-by: Segher Boessenkool <segher@kernel.crashing.org> # Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 12f363511d47f86c49b7766c349989cb33fd61a8 # < make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 40x/ep405_defconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- <stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp] <stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp] <stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp] <stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp] /kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages: /kisskb/src/arch/powerpc/kernel/head_40x.S:883: Warning: invalid register expression /kisskb/src/net/sunrpc/xprtsock.c: In function 'xs_stream_data_receive_workfn': /kisskb/src/net/sunrpc/xprtsock.c:498:15: warning: 'read' may be used uninitialized in this function [-Wmaybe-uninitialized] size_t want, read; ^ /kisskb/src/net/sunrpc/xprtsock.c:529:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return ret < 0 ? ret : read; ^ /kisskb/src/net/sunrpc/xprtsock.c:499:10: note: 'ret' was declared here ssize_t ret; ^ In file included from /kisskb/src/include/linux/printk.h:7:0, from /kisskb/src/include/linux/kernel.h:15, from /kisskb/src/include/linux/fs_context.h:15, from /kisskb/src/fs/fs_parser.c:13: /kisskb/src/fs/fs_parser.c: In function 'fs_validate_description': /kisskb/src/include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header / ^ /kisskb/src/include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" / error conditions */ ^ /kisskb/src/include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^ /kisskb/src/fs/fs_parser.c:413:6: note: in expansion of macro 'pr_err' pr_err("VALIDATE %s: e[%lu] enum val for %s\n", ^ INFO: Uncompressed kernel (size 0x4fbef8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Completed OK # rm -rf /kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-gcc5 # Build took: 0:01:19.177818

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