# git rev-parse -q --verify d4615e5a46800d2193bf8ae98cb470206f5f635b^{commit}
d4615e5a46800d2193bf8ae98cb470206f5f635b
already have revision, skipping fetch
# git checkout -q -f -B kisskb d4615e5a46800d2193bf8ae98cb470206f5f635b
# git clean -qxdf
# < git log -1
# commit d4615e5a46800d2193bf8ae98cb470206f5f635b
# Merge: 2581efa9a47d d303de1fcf34
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 13 14:47:10 2019 -0700
# 
#     Merge tag 'trace-v5.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fixes from Steven Rostedt:
#      "A few tracing fixes:
#     
#        - Remove lockdown from tracefs itself and moved it to the trace
#          directory. Have the open functions there do the lockdown checks.
#     
#        - Fix a few races with opening an instance file and the instance
#          being deleted (Discovered during the lockdown updates). Kept
#          separate from the clean up code such that they can be backported to
#          stable easier.
#     
#        - Clean up and consolidated the checks done when opening a trace
#          file, as there were multiple checks that need to be done, and it
#          did not make sense having them done in each open instance.
#     
#        - Fix a regression in the record mcount code.
#     
#        - Small hw_lat detector tracer fixes.
#     
#        - A trace_pipe read fix due to not initializing trace_seq"
#     
#     * tag 'trace-v5.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing: Initialize iter->seq after zeroing in tracing_read_pipe()
#       tracing/hwlat: Don't ignore outer-loop duration when calculating max_latency
#       tracing/hwlat: Report total time spent in all NMIs during the sample
#       recordmcount: Fix nop_mcount() function
#       tracing: Do not create tracefs files if tracefs lockdown is in effect
#       tracing: Add locked_down checks to the open calls of files created for tracefs
#       tracing: Add tracing_check_open_get_tr()
#       tracing: Have trace events system open call tracing_open_generic_tr()
#       tracing: Get trace_array reference for available_tracers files
#       ftrace: Get a reference counter for the trace_array on filter files
#       tracefs: Revert ccbd54ff54e8 ("tracefs: Restrict tracefs when the kernel is locked down")
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 d4615e5a46800d2193bf8ae98cb470206f5f635b
# < make -s -j 10 ARCH=arm O=/kisskb/build/linus_ixp4xx_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  ixp4xx_defconfig
# make -s -j 10 ARCH=arm O=/kisskb/build/linus_ixp4xx_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read':
/kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
/kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec':
/kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' 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:338:21: note: 'pdeo' was declared here
/kisskb/src/drivers/usb/core/devio.c: In function 'async_completed':
/kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized]
WARNING: "return_address" [vmlinux] is a static EXPORT_SYMBOL_GPL
Completed OK
# rm -rf /kisskb/build/linus_ixp4xx_defconfig_arm
# Build took: 0:01:45.641303