# git rev-parse -q --verify 7312bd0c205dc9e6e30128ef9243d7bc8ba1187d^{commit} 7312bd0c205dc9e6e30128ef9243d7bc8ba1187d already have revision, skipping fetch # git checkout -q -f -B kisskb 7312bd0c205dc9e6e30128ef9243d7bc8ba1187d # git clean -qxdf # < git log -1 # commit 7312bd0c205dc9e6e30128ef9243d7bc8ba1187d # Author: Mahesh Salgaonkar # Date: Thu Aug 23 10:26:08 2018 +0530 # # powerpc/mce: Fix SLB rebolting during MCE recovery path. # # With the powerpc next commit e7e81847478b ("powerpc/64s: move machine # check SLB flushing to mm/slb.c"), the SLB error recovery is broken. # The new code now does not add the index value to RB[52-63] that # selects the SLB entry when rebolting, instead it assumes that the # shadow save area already has the index embeded correctly in the esid # field. # # While all valid bolted save areas do contain index value set # correctly, there is a case where 3rd (KSTACK_INDEX) entry for kernel # stack does not embed index for NULL esid entry. This patch fixes that. # # Without this patch the SLB rebolt code overwirtes the 1st entry of # kernel linear mapping and causes SLB recovery to fail. # # 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 7312bd0c205dc9e6e30128ef9243d7bc8ba1187d # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_powernv_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- powernv_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_powernv_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/fs/cifs/cifssmb.c: In function 'CIFSSMBNegotiate': /kisskb/src/fs/cifs/cifssmb.c:599:3: warning: 'strncpy' writing 16 bytes into a region of size 1 overflows the destination [-Wstringop-overflow=] strncpy(pSMB->DialectsArray+count, protocols[i].name, 16); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /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/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)); ~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'get_sensor_index_attr', inlined from 'create_device_attrs' at /kisskb/src/drivers/hwmon/ibmpowernv.c:293:8, inlined from 'ibmpowernv_probe' at /kisskb/src/drivers/hwmon/ibmpowernv.c:699:8: /kisskb/src/drivers/hwmon/ibmpowernv.c:256:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(attr, dash_pos + 1, MAX_ATTR_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 'nvme_init_subnqn', inlined from 'nvme_init_subsystem' at /kisskb/src/drivers/nvme/host/core.c:2192:2, inlined from 'nvme_init_identify' at /kisskb/src/drivers/nvme/host/core.c:2350:9: /kisskb/src/drivers/nvme/host/core.c:2046:3: warning: 'strncpy' output may be truncated copying 223 bytes from a string of length 255 [-Wstringop-truncation] strncpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /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)); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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/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)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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/drivers/scsi/qla2xxx/qla_mr.c: In function 'qlafx00_fx_disc': /kisskb/src/drivers/scsi/qla2xxx/qla_mr.c:1882:4: warning: 'strncpy' output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] strncpy(phost_info->nodename, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ p_sysid->nodename, NODENAME_LENGTH); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/scsi/qla2xxx/qla_mr.c:1886:4: warning: 'strncpy' output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] strncpy(phost_info->release, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ p_sysid->release, RELEASE_LENGTH); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/scsi/qla2xxx/qla_mr.c:1888:4: warning: 'strncpy' output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] strncpy(phost_info->version, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ p_sysid->version, VERSION_LENGTH); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/scsi/qla2xxx/qla_mr.c:1890:4: warning: 'strncpy' output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] strncpy(phost_info->machine, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ p_sysid->machine, MACHINE_LENGTH); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/scsi/qla2xxx/qla_mr.c:1892:4: warning: 'strncpy' output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] strncpy(phost_info->domainname, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ p_sysid->domainname, DOMNAME_LENGTH); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'i40e_ptp_create_clock', inlined from 'i40e_ptp_init' at /kisskb/src/drivers/net/ethernet/intel/i40e/i40e_ptp.c:755:8: /kisskb/src/drivers/net/ethernet/intel/i40e/i40e_ptp.c:697:2: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation] strncpy(pf->ptp_caps.name, i40e_driver_name, sizeof(pf->ptp_caps.name)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ WARNING: modpost: Found 2 section mismatch(es). To see full details build your kernel with: 'make CONFIG_DEBUG_SECTION_MISMATCH=y' Completed OK # rm -rf /kisskb/build/powerpc-next_powernv_defconfig_powerpc-gcc8 # Build took: 0:01:20.406069