# git rev-parse -q --verify 410feb75de245664d66bc05ab2e2412751d10acf^{commit} 410feb75de245664d66bc05ab2e2412751d10acf already have revision, skipping fetch # git checkout -q -f -B kisskb 410feb75de245664d66bc05ab2e2412751d10acf # git clean -qxdf # < git log -1 # commit 410feb75de245664d66bc05ab2e2412751d10acf # Merge: 2996148 0fe4251 # Author: Linus Torvalds # Date: Fri Jun 8 11:10:58 2018 -0700 # # Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux # # Pull arm64 updates from Catalin Marinas: # "Apart from the core arm64 and perf changes, the Spectre v4 mitigation # touches the arm KVM code and the ACPI PPTT support touches drivers/ # (acpi and cacheinfo). I should have the maintainers' acks in place. # # Summary: # # - Spectre v4 mitigation (Speculative Store Bypass Disable) support # for arm64 using SMC firmware call to set a hardware chicken bit # # - ACPI PPTT (Processor Properties Topology Table) parsing support and # enable the feature for arm64 # # - Report signal frame size to user via auxv (AT_MINSIGSTKSZ). The # primary motivation is Scalable Vector Extensions which requires # more space on the signal frame than the currently defined # MINSIGSTKSZ # # - ARM perf patches: allow building arm-cci as module, demote # dev_warn() to dev_dbg() in arm-ccn event_init(), miscellaneous # cleanups # # - cmpwait() WFE optimisation to avoid some spurious wakeups # # - L1_CACHE_BYTES reverted back to 64 (for performance reasons that # have to do with some network allocations) while keeping # ARCH_DMA_MINALIGN to 128. cache_line_size() returns the actual # hardware Cache Writeback Granule # # - Turn LSE atomics on by default in Kconfig # # - Kernel fault reporting tidying # # - Some #include and miscellaneous cleanups" # # * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (53 commits) # arm64: Fix syscall restarting around signal suppressed by tracer # arm64: topology: Avoid checking numa mask for scheduler MC selection # ACPI / PPTT: fix build when CONFIG_ACPI_PPTT is not enabled # arm64: cpu_errata: include required headers # arm64: KVM: Move VCPU_WORKAROUND_2_FLAG macros to the top of the file # arm64: signal: Report signal frame size to userspace via auxv # arm64/sve: Thin out initialisation sanity-checks for sve_max_vl # arm64: KVM: Add ARCH_WORKAROUND_2 discovery through ARCH_FEATURES_FUNC_ID # arm64: KVM: Handle guest's ARCH_WORKAROUND_2 requests # arm64: KVM: Add ARCH_WORKAROUND_2 support for guests # arm64: KVM: Add HYP per-cpu accessors # arm64: ssbd: Add prctl interface for per-thread mitigation # arm64: ssbd: Introduce thread flag to control userspace mitigation # arm64: ssbd: Restore mitigation status on CPU resume # arm64: ssbd: Skip apply_ssbd if not using dynamic mitigation # arm64: ssbd: Add global mitigation state accessor # arm64: Add 'ssbd' command-line option # arm64: Add ARCH_WORKAROUND_2 probing # arm64: Add per-cpu infrastructure to call ARCH_WORKAROUND_2 # arm64: Call ARCH_WORKAROUND_2 on transitions between EL0 and EL1 # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version # < git log --format=%s --max-count=1 410feb75de245664d66bc05ab2e2412751d10acf # < make -s -j 48 ARCH=arm O=/kisskb/build/linus_at91_dt_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- at91_dt_defconfig # make -s -j 48 ARCH=arm O=/kisskb/build/linus_at91_dt_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1648:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:340:21: note: 'pdeo' was declared here /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:207:36: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:160:17: note: 'k' was declared here /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:149:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/flow_dissector.c: In function '__skb_flow_dissect': /kisskb/src/net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpio/gpiolib-of.c: In function 'of_gpiochip_add': /kisskb/src/drivers/gpio/gpiolib-of.c:389:8: warning: 'dflags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpio/gpiolib-of.c:375:19: note: 'dflags' was declared here /kisskb/src/drivers/gpio/gpiolib-of.c:389:8: warning: 'lflags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpio/gpiolib-of.c:374:25: note: 'lflags' was declared here /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:336:12: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3161:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_msg_build': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:898:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c: In function 'atmel_hlcdc_pwm_apply': /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c:78:56: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/rtc/rtc-rv3029c2.c: In function 'rv3029_probe': /kisskb/src/drivers/rtc/rtc-rv3029c2.c:664:3: warning: 'elem' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/rtc/rtc-rv3029c2.c:643:40: note: 'elem' was declared here /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1353:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1310:6: note: 'pwr_level_cisco' was declared here Completed OK # rm -rf /kisskb/build/linus_at91_dt_defconfig_arm # Build took: 0:01:03.489109