# git rev-parse -q --verify f5ae2ea6347a308cfe91f53b53682ce635497d0d^{commit} f5ae2ea6347a308cfe91f53b53682ce635497d0d already have revision, skipping fetch # git checkout -q -f -B kisskb f5ae2ea6347a308cfe91f53b53682ce635497d0d # git clean -qxdf # < git log -1 # commit f5ae2ea6347a308cfe91f53b53682ce635497d0d # Author: Jari Ruusu # Date: Sun Jan 12 15:00:53 2020 +0200 # # Fix built-in early-load Intel microcode alignment # # Intel Software Developer's Manual, volume 3, chapter 9.11.6 says: # # "Note that the microcode update must be aligned on a 16-byte boundary # and the size of the microcode update must be 1-KByte granular" # # When early-load Intel microcode is loaded from initramfs, userspace tool # 'iucode_tool' has already 16-byte aligned those microcode bits in that # initramfs image. Image that was created something like this: # # iucode_tool --write-earlyfw=FOO.cpio microcode-files... # # However, when early-load Intel microcode is loaded from built-in # firmware BLOB using CONFIG_EXTRA_FIRMWARE= kernel config option, that # 16-byte alignment is not guaranteed. # # Fix this by forcing all built-in firmware BLOBs to 16-byte alignment. # # [ If we end up having other firmware with much bigger alignment # requirements, we might need to introduce some method for the firmware # to specify it, this is the minimal "just increase the alignment a bit # to account for this one special case" patch - Linus ] # # Signed-off-by: Jari Ruusu # Cc: Borislav Petkov # Cc: Fenghua Yu # Cc: Luis Chamberlain # Cc: stable@kernel.org # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 f5ae2ea6347a308cfe91f53b53682ce635497d0d # < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- allmodconfig # make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:38: LSE atomics not supported by binutils /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/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ In file included from /kisskb/src/include/linux/wait.h:9:0, from /kisskb/src/include/linux/net.h:19, from /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:8: /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c: In function 'siw_proc_send': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: 'flags' was declared here unsigned long flags; ^ /kisskb/src/drivers/net/ethernet/pensando/ionic/ionic_main.c: In function 'ionic_dev_cmd_wait': /kisskb/src/drivers/net/ethernet/pensando/ionic/ionic_main.c:331:6: warning: 'hb' may be used uninitialized in this function [-Wmaybe-uninitialized] int hb; ^ In file included from /kisskb/src/include/linux/rwsem.h:16:0, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1352:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 # Build took: 0:31:16.609412