Buildresult: linus/chrp32_defconfig/powerpc-gcc4.6 built on Sep 13 2019, 03:18

kisskb

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Status:	OK
Date/Time:	Sep 13 2019, 03:18
Duration:	0:00:41.704683
Builder:	ka2
Revision:	Revert "drm/i915/userptr: Acquire the page lock around set_page_dirty()" (`505a8ec7e11ae5236c4a154a1e24ef49a8349600)`
Target:	linus/chrp32_defconfig/powerpc-gcc4.6
Branch:	linus
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	chrp32_defconfig (download)
Log:	Download original Possible warnings (8) kernel/rcu/srcutree.c:140:32: warning: 'levelspread[<Ue000>]' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] kernel/futex.c:1676:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/usb/core/devio.c:613:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] 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/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_chrp32_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- chrp32_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_chrp32_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:140:32: warning: 'levelspread[<Ue000>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:88:6: note: 'levelspread[<Ue000>]' was declared here /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/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /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/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:1651:6: note: 'oldval' was declared here /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/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] Completed OK # rm -rf /kisskb/build/linus_chrp32_defconfig_powerpc-gcc4.6 # Build took: 0:00:41.704683

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