# git rev-parse -q --verify cac803c330638f238288c767c934352776cffc4c^{commit} cac803c330638f238288c767c934352776cffc4c already have revision, skipping fetch # git checkout -q -f -B kisskb cac803c330638f238288c767c934352776cffc4c # git clean -qxdf # < git log -1 # commit cac803c330638f238288c767c934352776cffc4c # Author: Naveen N. Rao # Date: Thu Jun 27 15:29:40 2019 +0530 # # powerpc/xmon: Fix disabling tracing while in xmon # # Commit ed49f7fd6438d ("powerpc/xmon: Disable tracing when entering # xmon") added code to disable recording trace entries while in xmon. The # commit introduced a variable 'tracing_enabled' to record if tracing was # enabled on xmon entry, and used this to conditionally enable tracing # during exit from xmon. # # However, we are not checking the value of 'fromipi' variable in # xmon_core() when setting 'tracing_enabled'. Due to this, when secondary # cpus enter xmon, they will see tracing as being disabled already and # tracing won't be re-enabled on exit. Fix the same. # # Fixes: ed49f7fd6438d ("powerpc/xmon: Disable tracing when entering xmon") # Signed-off-by: Naveen N. Rao # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 cac803c330638f238288c767c934352776cffc4c # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc64e_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.28': /kisskb/src/net/bridge/br_netlink.c:652:7: 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:331:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2077:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:227:19: note: 'i' was declared here /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1851:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1764:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example contains section definitions for use in .S files. INFO: Uncompressed kernel (size 0xc7eed8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.2.0-rc2-gcac803c33063 Created: Sat Jun 29 21:49:54 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5318546 Bytes = 5193.89 KiB = 5.07 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig_powerpc-gcc4.6 # Build took: 0:01:23.230982