# 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/korg/gcc-8.1.0-nolibc/hppa-linux/bin/hppa-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa-linux/bin/hppa-linux-ld --version # < git log --format=%s --max-count=1 505a8ec7e11ae5236c4a154a1e24ef49a8349600 # < make -s -j 48 ARCH=parisc O=/kisskb/build/linus_parisc-defconfig_parisc CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa-linux/bin/hppa-linux- defconfig # make -s -j 48 ARCH=parisc O=/kisskb/build/linus_parisc-defconfig_parisc CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa-linux/bin/hppa-linux- /kisskb/src/drivers/scsi/ncr53c8xx.c: In function 'ncr_int_sir': /kisskb/src/drivers/scsi/ncr53c8xx.c:6713:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (tp->lp[0]) { ^ /kisskb/src/drivers/scsi/ncr53c8xx.c:6717:2: note: here case SIR_RESEL_BAD_TARGET: /* Will send a TARGET RESET message */ ^~~~ /kisskb/src/drivers/scsi/ncr53c8xx.c: In function 'ncr_prepare_setting': /kisskb/src/drivers/scsi/ncr53c8xx.c:3908:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if (np->sv_scntl3) { ^ /kisskb/src/drivers/scsi/ncr53c8xx.c:3913:3: note: here case 3: /* SYMBIOS controllers report HVD through GPIO3 */ ^~~~ /kisskb/src/drivers/scsi/ncr53c8xx.c:3914:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if (INB(nc_gpreg) & 0x08) ^ /kisskb/src/drivers/scsi/ncr53c8xx.c:3916:3: note: here case 2: /* Set HVD unconditionally */ ^~~~ /kisskb/src/drivers/scsi/ncr53c8xx.c:3917:18: warning: this statement may fall through [-Wimplicit-fallthrough=] np->scsi_mode = SMODE_HVD; /kisskb/src/drivers/scsi/ncr53c8xx.c:3918:3: note: here case 1: /* Trust previous settings for HVD */ ^~~~ Completed OK # rm -rf /kisskb/build/linus_parisc-defconfig_parisc # Build took: 0:01:01.908411