# git rev-parse -q --verify 12ad143e1b803e541e48b8ba40f550250259ecdd^{commit}
12ad143e1b803e541e48b8ba40f550250259ecdd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 12ad143e1b803e541e48b8ba40f550250259ecdd
# git clean -qxdf
# < git log -1
# commit 12ad143e1b803e541e48b8ba40f550250259ecdd
# Merge: 262d6a9a63a3 b339da480315
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Mar 10 15:22:03 2019 -0700
# 
#     Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull perf updates from Thomas Gleixner:
#      "Perf updates and fixes:
#     
#       Kernel:
#        - Handle events which have the bpf_event attribute set as side band
#          events as they carry information about BPF programs.
#        - Add missing switch-case fall-through comments
#     
#       Libraries:
#        - Fix leaks and double frees in error code paths.
#        - Prevent buffer overflows in libtraceevent
#     
#       Tools:
#        - Improvements in handling Intel BT/PTS
#        - Add BTF ELF markers to perf trace BPF programs to improve output
#        - Support --time, --cpu, --pid and --tid filters for perf diff
#        - Calculate the column width in perf annotate as the hardcoded 6
#          characters for the instruction are not sufficient
#        - Small fixes all over the place"
#     
#     * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
#       perf/core: Mark expected switch fall-through
#       perf/x86/intel/uncore: Fix client IMC events return huge result
#       perf/ring_buffer: Use high order allocations for AUX buffers optimistically
#       perf data: Force perf_data__open|close zero data->file.path
#       perf session: Fix double free in perf_data__close
#       perf evsel: Probe for precise_ip with simple attr
#       perf tools: Read and store caps/max_precise in perf_pmu
#       perf hist: Fix memory leak of srcline
#       perf hist: Add error path into hist_entry__init
#       perf c2c: Fix c2c report for empty numa node
#       perf script python: Add Python3 support to intel-pt-events.py
#       perf script python: Add Python3 support to event_analyzing_sample.py
#       perf script python: add Python3 support to check-perf-trace.py
#       perf script python: Add Python3 support to futex-contention.py
#       perf script python: Remove mixed indentation
#       perf diff: Support --pid/--tid filter options
#       perf diff: Support --cpu filter option
#       perf diff: Support --time filter option
#       perf thread: Generalize function to copy from thread addr space from intel-bts code
#       perf annotate: Calculate the max instruction name, align column to that
#       ...
# < /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 12ad143e1b803e541e48b8ba40f550250259ecdd
# < make -s -j 10 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 10 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:40: LSE atomics not supported by binutils
In file included from /kisskb/src/include/asm-generic/bug.h:18:0,
                 from /kisskb/src/arch/arm64/include/asm/bug.h:37,
                 from /kisskb/src/include/linux/bug.h:5,
                 from /kisskb/src/include/linux/mmdebug.h:5,
                 from /kisskb/src/include/linux/mm.h:9,
                 from /kisskb/src/drivers/dma/imx-dma.c:14:
/kisskb/src/drivers/dma/imx-dma.c: In function 'imxdma_sg_next':
/kisskb/src/include/linux/kernel.h:827:29: warning: comparison of distinct pointer types lacks a cast
   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                             ^
/kisskb/src/include/linux/kernel.h:841:4: note: in expansion of macro '__typecheck'
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^
/kisskb/src/include/linux/kernel.h:851:24: note: in expansion of macro '__safe_cmp'
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^
/kisskb/src/include/linux/kernel.h:860:19: note: in expansion of macro '__careful_cmp'
 #define min(x, y) __careful_cmp(x, y, <)
                   ^
/kisskb/src/drivers/dma/imx-dma.c:288:8: note: in expansion of macro 'min'
  now = min(d->len, sg_dma_len(sg));
        ^
/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/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:17,
                 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:279:3: 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:1363:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4
# Build took: 0:20:54.246713