Buildresult: linus/arm64-allmodconfig/arm64-gcc5 built on Sep 13 2019, 04:39

kisskb

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Status:	OK
Date/Time:	Sep 13 2019, 04:39
Duration:	0:18:07.952560
Builder:	ka2
Revision:	Revert "drm/i915/userptr: Acquire the page lock around set_page_dirty()" (`505a8ec7e11ae5236c4a154a1e24ef49a8349600)`
Target:	linus/arm64-allmodconfig/arm64-gcc5
Branch:	linus
Compiler:	arm64-gcc5 (aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.25.1)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (5) fs/cifs/smb2pdu.c:2676:19: warning: 'in_data_buf' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/soundwire/slave.c:16:12: warning: 'sdw_slave_add' defined but not used [-Wunused-function] include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] Full Log # git rev-parse -q --verify 505a8ec7e11ae5236c4a154a1e24ef49a8349600^{commit} 505a8ec7e11ae5236c4a154a1e24ef49a8349600 already have revision, skipping fetch # git checkout -q -f -B kisskb 505a8ec7e11ae5236c4a154a1e24ef49a8349600 # git clean -qxdf # < git log -1 # commit 505a8ec7e11ae5236c4a154a1e24ef49a8349600 # Author: Chris Wilson <chris@chris-wilson.co.uk> # Date: Thu Sep 12 13:56:34 2019 +0100 # # Revert "drm/i915/userptr: Acquire the page lock around set_page_dirty()" # # The userptr put_pages can be called from inside try_to_unmap, and so # enters with the page lock held on one of the object's backing pages. We # cannot take the page lock ourselves for fear of recursion. # # Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> # Reported-by: Martin Wilck <Martin.Wilck@suse.com> # Reported-by: Leo Kraav <leho@kraav.com> # Fixes: aa56a292ce62 ("drm/i915/userptr: Acquire the page lock around set_page_dirty()") # References: https://bugzilla.kernel.org/show_bug.cgi?id=203317 # Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> # Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> # Cc: Jani Nikula <jani.nikula@intel.com> # Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> # Cc: stable@vger.kernel.org # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 505a8ec7e11ae5236c4a154a1e24ef49a8349600 # < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- allmodconfig # make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:38: LSE atomics not supported by binutils /kisskb/src/fs/cifs/smb2pdu.c: In function 'SMB2_ioctl_init': /kisskb/src/fs/cifs/smb2pdu.c:2676:19: warning: 'in_data_buf' may be used uninitialized in this function [-Wmaybe-uninitialized] iov[1].iov_base = in_data_buf; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ In file included from /kisskb/src/include/linux/wait.h:9:0, from /kisskb/src/include/linux/net.h:19, from /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:8: /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c: In function 'siw_proc_send': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: 'flags' was declared here unsigned long flags; ^ /kisskb/src/drivers/soundwire/slave.c:16:12: warning: 'sdw_slave_add' defined but not used [-Wunused-function] static int sdw_slave_add(struct sdw_bus *bus, ^ In file included from /kisskb/src/include/linux/rwsem.h:16:0, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1353:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 # Build took: 0:18:07.952560

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