Buildresult: linus/mips-allmodconfig/mips-gcc8 built on Dec 29 2020, 11:26

kisskb

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Status:	Failed
Date/Time:	Dec 29 2020, 11:26
Duration:	0:13:49.086224
Builder:	blade4b
Revision:	mm/filemap: fix infinite loop in generic_file_buffered_read() (`3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3)`
Target:	linus/mips-allmodconfig/mips-gcc8
Branch:	linus
Compiler:	mips-gcc8 (mips-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	allmodconfig (download)
Log:	Download original Possible errors drivers/dma-buf/heaps/cma_heap.c:195:10: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] drivers/dma-buf/heaps/cma_heap.c:195:49: error: 'VM_MAP' undeclared (first use in this function); did you mean 'VM_MTE'? drivers/dma-buf/heaps/cma_heap.c:235:3: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[4]: * [scripts/Makefile.build:279: drivers/dma-buf/heaps/cma_heap.o] Error 1 make[3]: * [scripts/Makefile.build:496: drivers/dma-buf/heaps] Error 2 make[2]: * [scripts/Makefile.build:496: drivers/dma-buf] Error 2 make[1]: * [Makefile:1805: drivers] Error 2 make: * [Makefile:185: __sub-make] Error 2 Possible warnings (2) .config:12857:warning: override: reassigning to symbol MIPS_CPS_NS16550_SHIFT lib/bitfield_kunit.c:93:1: warning: the frame size of 4200 bytes is larger than 2048 bytes [-Wframe-larger-than=] Full Log # git rev-parse -q --verify 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3^{commit} 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 already have revision, skipping fetch # git checkout -q -f -B kisskb 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # git clean -qxdf # < git log -1 # commit 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # Author: Kent Overstreet <kent.overstreet@gmail.com> # Date: Fri Dec 18 04:07:11 2020 -0500 # # mm/filemap: fix infinite loop in generic_file_buffered_read() # # If iter->count is 0 and iocb->ki_pos is page aligned, this causes # nr_pages to be 0. # # Then in generic_file_buffered_read_get_pages() find_get_pages_contig() # returns 0 - because we asked for 0 pages, so we call # generic_file_buffered_read_no_cached_page() which attempts to add a page # to the page cache, which fails with -EEXIST, and then we loop. Oops... # # Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> # Reported-by: Jens Axboe <axboe@kernel.dk> # Reviewed-by: Jens Axboe <axboe@kernel.dk> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-ld --version # < git log --format=%s --max-count=1 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # < make -s -j 24 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # Added to kconfig CONFIG_MIPS_CPS_NS16550_BASE=0x1b0003f8 # Added to kconfig CONFIG_MIPS_CPS_NS16550_SHIFT=0 # < make -s -j 24 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux- help # make -s -j 24 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux- olddefconfig .config:12857:warning: override: reassigning to symbol MIPS_CPS_NS16550_SHIFT # make -s -j 24 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux- /kisskb/src/lib/bitfield_kunit.c: In function 'test_bitfields_constants': /kisskb/src/lib/bitfield_kunit.c:93:1: warning: the frame size of 4200 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/dma-buf/heaps/cma_heap.c: In function 'cma_heap_do_vmap': /kisskb/src/drivers/dma-buf/heaps/cma_heap.c:195:10: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL); ^~~~ kmap /kisskb/src/drivers/dma-buf/heaps/cma_heap.c:195:49: error: 'VM_MAP' undeclared (first use in this function); did you mean 'VM_MTE'? vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL); ^~~~~~ VM_MTE /kisskb/src/drivers/dma-buf/heaps/cma_heap.c:195:49: note: each undeclared identifier is reported only once for each function it appears in /kisskb/src/drivers/dma-buf/heaps/cma_heap.c: In function 'cma_heap_vunmap': /kisskb/src/drivers/dma-buf/heaps/cma_heap.c:235:3: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] vunmap(buffer->vaddr); ^~~~~~ kunmap cc1: some warnings being treated as errors make[4]: * [/kisskb/src/scripts/Makefile.build:279: drivers/dma-buf/heaps/cma_heap.o] Error 1 make[3]: * [/kisskb/src/scripts/Makefile.build:496: drivers/dma-buf/heaps] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:496: drivers/dma-buf] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1805: drivers] Error 2 make: *** [Makefile:185: __sub-make] Error 2 Command 'make -s -j 24 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_mips-allmodconfig_mips-gcc8 # Build took: 0:13:49.086224

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