# git rev-parse -q --verify 0f52b3a00c789569d7ed822b5a6b30f59a8d4393^{commit} 0f52b3a00c789569d7ed822b5a6b30f59a8d4393 already have revision, skipping fetch # git checkout -q -f -B kisskb 0f52b3a00c789569d7ed822b5a6b30f59a8d4393 # git clean -qxdf # < git log -1 # commit 0f52b3a00c789569d7ed822b5a6b30f59a8d4393 # Author: Mahesh Salgaonkar # Date: Thu Aug 23 10:26:08 2018 +0530 # # powerpc/mce: Fix SLB rebolting during MCE recovery path. # # The commit e7e81847478 ("powerpc/64s: move machine check SLB flushing # to mm/slb.c") introduced a bug in reloading bolted SLB entries. Unused # bolted entries are stored with .esid=0 in the slb_shadow area, and # that value is now used directly as the RB input to slbmte, which means # the RB[52:63] index field is set to 0, which causes SLB entry 0 to be # cleared. # # Fix this by storing the index bits in the unused bolted entries, which # directs the slbmte to the right place. # # The SLB shadow area is also used by the hypervisor, but PAPR is okay # with that, from LoPAPR v1.1, 14.11.1.3 SLB Shadow Buffer: # # Note: SLB is filled sequentially starting at index 0 # from the shadow buffer ignoring the contents of # RB field bits 52-63 # # Fixes: e7e81847478b ("powerpc/64s: move machine check SLB flushing to mm/slb.c") # Signed-off-by: Mahesh Salgaonkar # Signed-off-by: Nicholas Piggin # Reviewed-by: Nicholas Piggin # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 0f52b3a00c789569d7ed822b5a6b30f59a8d4393 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- corenet64_smp_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/crypto/ablkcipher.c: In function 'crypto_ablkcipher_report': /kisskb/src/crypto/ablkcipher.c:374:2: warning: 'strncpy' specified bound 64 equals destination size [-Wstringop-truncation] strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(rblkcipher.geniv)); ~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/crypto/ablkcipher.c: In function 'crypto_givcipher_report': /kisskb/src/crypto/ablkcipher.c:448:2: warning: 'strncpy' specified bound 64 equals destination size [-Wstringop-truncation] strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(rblkcipher.geniv)); ~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/crypto/blkcipher.c: In function 'crypto_blkcipher_report': /kisskb/src/crypto/blkcipher.c:513:2: warning: 'strncpy' specified bound 64 equals destination size [-Wstringop-truncation] strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(rblkcipher.geniv)); ~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/fs/hfsplus/xattr.c: In function 'copy_name': /kisskb/src/fs/hfsplus/xattr.c:416:3: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] strncpy(buffer, XATTR_MAC_OSX_PREFIX, XATTR_MAC_OSX_PREFIX_LEN); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'kernfs_get_target_path', inlined from 'kernfs_getlink' at /kisskb/src/fs/kernfs/symlink.c:109:10, inlined from 'kernfs_iop_get_link.part.0' at /kisskb/src/fs/kernfs/symlink.c:127:10, inlined from 'kernfs_iop_get_link': /kisskb/src/fs/kernfs/symlink.c:91:3: warning: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation] strncpy(s + len, kn->name, slen); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/fs/kernfs/symlink.c: In function 'kernfs_iop_get_link': /kisskb/src/fs/kernfs/symlink.c:88:14: note: length computed here int slen = strlen(kn->name); ^~~~~~~~~~~~~~~~ In function 'fill_kobj_path', inlined from 'kobject_get_path' at /kisskb/src/lib/kobject.c:155:2: /kisskb/src/lib/kobject.c:128:3: warning: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation] strncpy(path + length, kobject_name(parent), cur); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/lib/kobject.c: In function 'kobject_get_path': /kisskb/src/lib/kobject.c:125:13: note: length computed here int cur = strlen(kobject_name(parent)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/net/core/rtnetlink.c: In function 'rtnl_newlink': /kisskb/src/net/core/rtnetlink.c:3099:1: warning: the frame size of 1232 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ In function 'set_fix', inlined from 'fsl_diu_set_par' at /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1140:2: /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:789:2: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation] strncpy(fix->id, mfbi->id, sizeof(fix->id)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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_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_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_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_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( ^~~~~~~~~~~~~~ /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( ^~~~~~~~~~~~~~ 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_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_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_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_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_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_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_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_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_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/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/fs/ext4/super.c: In function '__save_error_info': /kisskb/src/fs/ext4/super.c:326:2: 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:330:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(es->s_first_error_func, func, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(es->s_first_error_func)); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ INFO: Uncompressed kernel (size 0xf58a98) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1000000) Image Name: Linux-4.18.0-rc3-g0f52b3a Created: Fri Aug 24 01:08:28 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6655210 Bytes = 6499.23 kB = 6.35 MB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_corenet64_smp_defconfig_powerpc-gcc8 # Build took: 0:01:04.360608