# 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 # 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 # Reported-by: Martin Wilck # Reported-by: Leo Kraav # 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 # Cc: Tvrtko Ursulin # Cc: Jani Nikula # Cc: Joonas Lahtinen # Cc: stable@vger.kernel.org # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 505a8ec7e11ae5236c4a154a1e24ef49a8349600 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc44x_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/boot/dts/virtex440-ml510.dts:335.37-439.6: Warning (pci_bridge): /plb@0/plbv46-pci@85e00000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/virtex440-ml510.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.35': /kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1834:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1747:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:613:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/boot/dts/katmai.dts:322.26-361.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:363.26-402.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:404.26-443.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5433b8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x553a64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722669 Bytes = 2658.86 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006001bc Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2690415 Bytes = 2627.36 KiB = 2.57 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722817 Bytes = 2659.00 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014ec Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722942 Bytes = 2659.12 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006000c8 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722828 Bytes = 2659.01 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014d8 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722836 Bytes = 2659.02 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722904 Bytes = 2659.09 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2721986 Bytes = 2658.19 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722944 Bytes = 2659.12 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014c0 Image Name: Linux-5.3.0-rc8-g505a8ec7e11a Created: Fri Sep 13 03:38:21 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2722783 Bytes = 2658.97 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014cc Completed OK # rm -rf /kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 # Build took: 0:00:46.917670