# git rev-parse -q --verify 1ccd25030612c37a86f574e71c4f5b0ac246c183^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-npiggin.git kerkins error: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify 1ccd25030612c37a86f574e71c4f5b0ac246c183^{commit} 1ccd25030612c37a86f574e71c4f5b0ac246c183 # git checkout -q -f -B kisskb 1ccd25030612c37a86f574e71c4f5b0ac246c183 # git clean -qxdf # < git log -1 # commit 1ccd25030612c37a86f574e71c4f5b0ac246c183 # Author: Nicholas Piggin # Date: Wed Aug 15 00:10:22 2018 +1000 # # powerpc/64s/hash: convert SLB miss handlers to C # # This patch moves SLB miss handlers completely to C, using the standard # exception handler macros to set up the stack and branch to C. # # This can be done because the segment containing the kernel stack is # always bolted, so accessing it with relocation on will not cause an # SLB exception. # # Arbitrary kernel memory may not be accessed when handling kernel space # SLB misses, so care should be taken there. However user SLB misses can # access any kernel memory, which can be used to move some fields out of # the paca (in later patches). # # User SLB misses could quite easily reconcile IRQs and set up a first # class kernel environment and exit via ret_from_except, however that # doesn't seem to be necessary at the moment, so we only do that if a # bad fault is encountered. # # [ Credit to Aneesh for bug fixes, error checks, and improvements to bad # address handling, etc ] # # Signed-off-by: Nicholas Piggin # # Since RFC: # - Added MSR[RI] handling # - Fixed up a register loss bug exposed by irq tracing (Aneesh) # - Reject misses outside the defined kernel regions (Aneesh) # - Added several more sanity checks and error handling (Aneesh), we may # look at consolidating these tests and tightenig up the code but for # a first pass we decided it's better to check carefully. # # Since v1: # - Fixed SLB cache corruption (Aneesh) # - Fixed untidy SLBE allocation "leak" in get_vsid error case # - Now survives some stress testing on real hardware # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 1ccd25030612c37a86f574e71c4f5b0ac246c183 # < make -s -j 10 ARCH=x86 O=/kisskb/build/npiggin_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- x86_64_defconfig # make -s -j 10 ARCH=x86 O=/kisskb/build/npiggin_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/fs/ext4/super.c: In function '__save_error_info': /kisskb/src/fs/ext4/super.c:344:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(es->s_last_error_func, func, sizeof(es->s_last_error_func)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/fs/ext4/super.c:349:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(es->s_first_error_func, func, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(es->s_first_error_func)); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /kisskb/src/include/trace/define_trace.h:97, from /kisskb/src/include/trace/events/writeback.h:762, from /kisskb/src/fs/fs-writeback.c:98: /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_work_class': /kisskb/src/include/trace/events/writeback.h:223:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ wb->bdi->dev ? dev_name(wb->bdi->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:222:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_class': /kisskb/src/include/trace/events/writeback.h:277:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(wb->bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:276:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_bdi_register': /kisskb/src/include/trace/events/writeback.h:299:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:292:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_bdi_register, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:298:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_wbc_class': /kisskb/src/include/trace/events/writeback.h:324:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:323:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_queue_io': /kisskb/src/include/trace/events/writeback.h:375:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(wb->bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:360:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_queue_io, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:373:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_write_inode_template': /kisskb/src/include/trace/events/writeback.h:179:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:178:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_dirty_inode_template': /kisskb/src/include/trace/events/writeback.h:99:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:95:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_single_inode_template': /kisskb/src/include/trace/events/writeback.h:660:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:659:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_dirty_page': /kisskb/src/include/trace/events/writeback.h:69:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:56:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_dirty_page, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:68:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'perf_trace_writeback_sb_inodes_requeue': /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ In file included from /kisskb/src/include/trace/define_trace.h:96, from /kisskb/src/include/trace/events/writeback.h:762, from /kisskb/src/fs/fs-writeback.c:98: /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_bdi_register': /kisskb/src/include/trace/events/writeback.h:299:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:292:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_bdi_register, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:298:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_class': /kisskb/src/include/trace/events/writeback.h:277:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(wb->bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:276:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_wbc_class': /kisskb/src/include/trace/events/writeback.h:324:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:323:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_write_inode_template': /kisskb/src/include/trace/events/writeback.h:179:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:178:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_dirty_inode_template': /kisskb/src/include/trace/events/writeback.h:99:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:95:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_work_class': /kisskb/src/include/trace/events/writeback.h:223:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ wb->bdi->dev ? dev_name(wb->bdi->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:222:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_dirty_page': /kisskb/src/include/trace/events/writeback.h:69:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:56:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_dirty_page, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:68:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_queue_io': /kisskb/src/include/trace/events/writeback.h:375:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, dev_name(wb->bdi->dev), 32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:360:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_queue_io, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:373:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_single_inode_template': /kisskb/src/include/trace/events/writeback.h:660:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:659:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h: In function 'trace_event_raw_event_writeback_sb_inodes_requeue': /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:586:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(__entry->name, ^~~~~~~~~~~~~~~~~~~~~~ dev_name(inode_to_bdi(inode)->dev), 32); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/include/trace/trace_events.h:720:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ /kisskb/src/include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ /kisskb/src/include/trace/events/writeback.h:572:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(writeback_sb_inodes_requeue, ^~~~~~~~~~~ /kisskb/src/include/trace/events/writeback.h:585:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ /kisskb/src/drivers/video/hdmi.c: In function 'hdmi_spd_infoframe_init': /kisskb/src/drivers/video/hdmi.c:174:2: warning: 'strncpy' specified bound 8 equals destination size [-Wstringop-truncation] strncpy(frame->vendor, vendor, sizeof(frame->vendor)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/video/hdmi.c:175:2: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation] strncpy(frame->product, product, sizeof(frame->product)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/npiggin_x86_64_defconfig_x86_64-gcc8 # Build took: 0:08:27.760657