# 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-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 505a8ec7e11ae5236c4a154a1e24ef49a8349600
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  allmodconfig
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_HAVE_FTRACE_MCOUNT_RECORD=n
# Added to kconfig CONFIG_SAMPLES=n
# Added to kconfig CONFIG_MODULE_SIG=n
# yes \n | make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/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/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp]
 #warning Precise timer not defined for this architecture.
  ^
/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;
                ^
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
warning: same module names found:
  drivers/char/adi.ko
  drivers/input/joystick/adi.ko
Completed OK
# rm -rf /kisskb/build/linus_sparc64-allmodconfig_sparc64
# Build took: 0:13:03.520643