Buildresult: powerpc-next/powerpc-allmodconfig+ppc64le/powerpc-gcc5 built on Jun 7 2018, 00:03

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	Jun 7 2018, 00:03
Duration:	0:04:45.085977
Builder:	ka4
Revision:	powerpc/64s/radix: Fix missing ptesync in flush_cache_vmap (`ff5bc793e47b537bf3e904fada585e102c54dd8b)`
Target:	powerpc-next/powerpc-allmodconfig+ppc64le/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64le-linux-gcc (GCC) 5.2.0)
Config:	allmodconfig+ppc64le (download)
Log:	Download original Possible warnings (9) arch/powerpc/include/asm/io.h:160:2: warning: 'px_is' may be used uninitialized in this function [-Wmaybe-uninitialized] arch/powerpc/include/asm/io.h:160:2: warning: 'px_cmd' may be used uninitialized in this function [-Wmaybe-uninitialized] WARNING: vmlinux.o(.text+0x3664): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init() WARNING: vmlinux.o(.text+0x3944): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:early_setup() WARNING: vmlinux.o(.text+0x3978): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() WARNING: vmlinux.o(.text+0x35f7cc): Section mismatch in reference from the function devm_memremap_pages() to the function .meminit.text:arch_add_memory() WARNING: vmlinux.o(.text+0x3600a8): Section mismatch in reference from the function devm_memremap_pages_release() to the function .meminit.text:arch_remove_memory() WARNING: vmlinux.o(.text+0x49cc1c): Section mismatch in reference from the function hmm_devmem_release() to the function .meminit.text:arch_remove_memory() WARNING: vmlinux.o(.text+0x49cf90): Section mismatch in reference from the function hmm_devmem_pages_create() to the function .meminit.text:arch_add_memory() Full Log # git rev-parse -q --verify ff5bc793e47b537bf3e904fada585e102c54dd8b^{commit} ff5bc793e47b537bf3e904fada585e102c54dd8b already have revision, skipping fetch # git checkout -q -f -B kisskb ff5bc793e47b537bf3e904fada585e102c54dd8b # git clean -qxdf # < git log -1 # commit ff5bc793e47b537bf3e904fada585e102c54dd8b # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Wed Jun 6 11:40:08 2018 +1000 # # powerpc/64s/radix: Fix missing ptesync in flush_cache_vmap # # There is a typo in f1cb8f9beb ("powerpc/64s/radix: avoid ptesync after # set_pte and ptep_set_access_flags") config ifdef, which results in the # necessary ptesync not being issued after vmalloc. # # This causes random kernel faults in module load, bpf load, anywhere # that vmalloc mappings are used. # # After correcting the code, this survives a guest kernel booting # hundreds of times where previously there would be a crash every few # boots (I haven't noticed the crash on host, perhaps due to different # TLB and page table walking behaviour in hardware). # # A memory clobber is also added to the flush, just to be sure it won't # be reordered with the pte set or the subsequent mapping access. # # Fixes: f1cb8f9beb ("powerpc/64s/radix: avoid ptesync after set_pte and ptep_set_access_flags") # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version # < git log --format=%s --max-count=1 ff5bc793e47b537bf3e904fada585e102c54dd8b # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_allmodconfig+ppc64le_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux- allmodconfig # Added to kconfig CONFIG_CPU_LITTLE_ENDIAN=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # yes \n \| make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_allmodconfig+ppc64le_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_allmodconfig+ppc64le_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux- In file included from /kisskb/src/include/linux/io.h:25:0, from /kisskb/src/include/linux/of_address.h:7, from /kisskb/src/drivers/ata/ahci_qoriq.c:18: /kisskb/src/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/arch/powerpc/include/asm/io.h:160:2: warning: 'px_is' may be used uninitialized in this function [-Wmaybe-uninitialized] __asm__ __volatile__("sync;"#insn"%U0%X0 %1,%0" \ ^ /kisskb/src/drivers/ata/ahci_qoriq.c:86:14: note: 'px_is' was declared here u32 px_cmd, px_is, px_val; ^ In file included from /kisskb/src/include/linux/io.h:25:0, from /kisskb/src/include/linux/of_address.h:7, from /kisskb/src/drivers/ata/ahci_qoriq.c:18: /kisskb/src/arch/powerpc/include/asm/io.h:160:2: warning: 'px_cmd' may be used uninitialized in this function [-Wmaybe-uninitialized] __asm__ __volatile__("sync;"#insn"%U0%X0 %1,%0" \ ^ /kisskb/src/drivers/ata/ahci_qoriq.c:86:6: note: 'px_cmd' was declared here u32 px_cmd, px_is, px_val; ^ WARNING: vmlinux.o(.text+0x3664): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init() The function __boot_from_prom() references the function __init prom_init(). This is often because __boot_from_prom lacks a __init annotation or the annotation of prom_init is wrong. WARNING: vmlinux.o(.text+0x3944): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:early_setup() The function start_here_multiplatform() references the function __init early_setup(). This is often because start_here_multiplatform lacks a __init annotation or the annotation of early_setup is wrong. WARNING: vmlinux.o(.text+0x3978): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() The function start_here_common() references the function __init start_kernel(). This is often because start_here_common lacks a __init annotation or the annotation of start_kernel is wrong. WARNING: vmlinux.o(.text+0x35f7cc): Section mismatch in reference from the function devm_memremap_pages() to the function .meminit.text:arch_add_memory() The function devm_memremap_pages() references the function __meminit arch_add_memory(). This is often because devm_memremap_pages lacks a __meminit annotation or the annotation of arch_add_memory is wrong. WARNING: vmlinux.o(.text+0x3600a8): Section mismatch in reference from the function devm_memremap_pages_release() to the function .meminit.text:arch_remove_memory() The function devm_memremap_pages_release() references the function __meminit arch_remove_memory(). This is often because devm_memremap_pages_release lacks a __meminit annotation or the annotation of arch_remove_memory is wrong. WARNING: vmlinux.o(.text+0x49cc1c): Section mismatch in reference from the function hmm_devmem_release() to the function .meminit.text:arch_remove_memory() The function hmm_devmem_release() references the function __meminit arch_remove_memory(). This is often because hmm_devmem_release lacks a __meminit annotation or the annotation of arch_remove_memory is wrong. WARNING: vmlinux.o(.text+0x49cf90): Section mismatch in reference from the function hmm_devmem_pages_create() to the function .meminit.text:arch_add_memory() The function hmm_devmem_pages_create() references the function __meminit arch_add_memory(). This is often because hmm_devmem_pages_create lacks a __meminit annotation or the annotation of arch_add_memory is wrong. Completed OK # rm -rf /kisskb/build/powerpc-next_allmodconfig+ppc64le_ppc64le # Build took: 0:04:45.085977

© Michael Ellerman 2006-2018.