# git rev-parse -q --verify 040a3c33623ba4bd11588ab0820281b854a3ffaf^{commit} 040a3c33623ba4bd11588ab0820281b854a3ffaf already have revision, skipping fetch # git checkout -q -f -B kisskb 040a3c33623ba4bd11588ab0820281b854a3ffaf # git clean -qxdf # < git log -1 # commit 040a3c33623ba4bd11588ab0820281b854a3ffaf # Merge: 6327edceb62b 55817b340a31 # Author: Linus Torvalds # Date: Sun Jan 12 09:35:42 2020 -0800 # # Merge tag 'iommu-fixes-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu # # Pull iommu fixes from Joerg Roedel: # # - Two fixes for VT-d and generic IOMMU code to fix teardown on error # handling code paths. # # - Patch for the Intel VT-d driver to fix handling of non-PCI devices # # - Fix W=1 compile warning in dma-iommu code # # * tag 'iommu-fixes-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: # iommu/dma: fix variable 'cookie' set but not used # iommu/vt-d: Unlink device if failed to add to group # iommu: Remove device link to group on failure # iommu/vt-d: Fix adding non-PCI devices to Intel IOMMU # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 040a3c33623ba4bd11588ab0820281b854a3ffaf # < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allyesconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_KCOV=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_GCC_PLUGIN_STRUCTLEAK=n # Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n # Added to kconfig CONFIG_UML_NET=n # Added to kconfig CONFIG_UML_NET_ETHERTAP=n # Added to kconfig CONFIG_UML_NET_TUNTAP=n # Added to kconfig CONFIG_UML_NET_SLIP=n # Added to kconfig CONFIG_UML_NET_DAEMON=n # Added to kconfig CONFIG_UML_NET_VDE=n # Added to kconfig CONFIG_UML_NET_MCAST=n # Added to kconfig CONFIG_UML_NET_PCAP=n # Added to kconfig CONFIG_UML_NET_SLIRP=n # Added to kconfig CONFIG_GCOV_KERNEL=n # yes \n | make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 /kisskb/src/arch/um/os-Linux/signal.c: In function 'sig_handler_common': /kisskb/src/arch/um/os-Linux/signal.c:51:1: warning: the frame size of 2976 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/arch/um/os-Linux/signal.c: In function 'timer_real_alarm_handler': /kisskb/src/arch/um/os-Linux/signal.c:95:1: warning: the frame size of 2960 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/security/apparmor/policy_unpack.c: In function 'unpack_profile': /kisskb/src/security/apparmor/policy_unpack.c:526:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] str[pos] = ':'; ^ /kisskb/src/security/apparmor/policy_unpack.c:497:14: note: 'pos' was declared here int c, j, pos, size2 = unpack_strdup(e, &str, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_zone_nr_conv_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:327:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(zone_nr_conv, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_mbps_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:323:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(mbps, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_index_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:318:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(index, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_hw_queue_depth_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:317:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(hw_queue_depth, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_irqmode_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:316:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(irqmode, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_blocksize_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:315:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(blocksize, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_queue_mode_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:314:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(queue_mode, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_home_node_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:313:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(home_node, uint, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_zone_size_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:326:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(zone_size, ulong, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_cache_size_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:324:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(cache_size, ulong, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_completion_nsec_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:311:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(completion_nsec, ulong, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_size_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:310:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(size, ulong, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_zoned_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:325:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(zoned, bool, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_discard_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:322:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(discard, bool, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_memory_backed_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:321:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(memory_backed, bool, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_use_per_node_hctx_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:320:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(use_per_node_hctx, bool, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_blocking_store': /kisskb/src/drivers/block/null_blk_main.c:291:12: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] dev->NAME = new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:319:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(blocking, bool, NULL); ^ /kisskb/src/drivers/block/null_blk_main.c: In function 'nullb_device_submit_queues_store': /kisskb/src/drivers/block/null_blk_main.c:307:48: warning: 'new_value' may be used uninitialized in this function [-Wmaybe-uninitialized] return set->nr_hw_queues == submit_queues ? 0 : -ENOMEM; ^ /kisskb/src/drivers/block/null_blk_main.c:279:7: note: 'new_value' was declared here TYPE new_value; \ ^ /kisskb/src/drivers/block/null_blk_main.c:312:1: note: in expansion of macro 'NULLB_DEVICE_ATTR' NULLB_DEVICE_ATTR(submit_queues, uint, nullb_apply_submit_queues); ^ /kisskb/src/lib/lz4/lz4hc_compress.c: In function 'LZ4HC_compress_generic': /kisskb/src/lib/lz4/lz4hc_compress.c:579:1: warning: the frame size of 2144 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/misc/lkdtm/bugs.c: In function 'lkdtm_UNSET_SMEP': /kisskb/src/drivers/misc/lkdtm/bugs.c:288:8: error: implicit declaration of function 'native_read_cr4' [-Werror=implicit-function-declaration] cr4 = native_read_cr4(); ^ /kisskb/src/drivers/misc/lkdtm/bugs.c:290:13: error: 'X86_CR4_SMEP' undeclared (first use in this function) if ((cr4 & X86_CR4_SMEP) != X86_CR4_SMEP) { ^ /kisskb/src/drivers/misc/lkdtm/bugs.c:290:13: note: each undeclared identifier is reported only once for each function it appears in /kisskb/src/drivers/misc/lkdtm/bugs.c:297:2: error: implicit declaration of function 'native_write_cr4' [-Werror=implicit-function-declaration] native_write_cr4(cr4); ^ cc1: some warnings being treated as errors make[4]: *** [/kisskb/src/scripts/Makefile.build:265: drivers/misc/lkdtm/bugs.o] Error 1 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [/kisskb/src/scripts/Makefile.build:503: drivers/misc/lkdtm] Error 2 make[2]: *** [/kisskb/src/scripts/Makefile.build:503: drivers/misc] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/kisskb/src/Makefile:1693: drivers] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_um-allyesconfig_um-x86_64 # Build took: 0:04:51.658918