# git rev-parse -q --verify c716a25b9b70084e1144f77423f5aedd772ea478^{commit}
c716a25b9b70084e1144f77423f5aedd772ea478
already have revision, skipping fetch
# git checkout -q -f -B kisskb c716a25b9b70084e1144f77423f5aedd772ea478
# git clean -qxdf
# < git log -1
# commit c716a25b9b70084e1144f77423f5aedd772ea478
# Author: Thiago Jung Bauermann <bauerman@linux.ibm.com>
# Date:   Thu Sep 20 01:38:58 2018 -0300
# 
#     powerpc/pkeys: Fix reading of ibm, processor-storage-keys property
#     
#     scan_pkey_feature() uses of_property_read_u32_array() to read the
#     ibm,processor-storage-keys property and calls be32_to_cpu() on the
#     value it gets. The problem is that of_property_read_u32_array() already
#     returns the value converted to the CPU byte order.
#     
#     The value of pkeys_total ends up more or less sane because there's a min()
#     call in pkey_initialize() which reduces pkeys_total to 32. So in practice
#     the kernel ignores the fact that the hypervisor reserved one key for
#     itself (the device tree advertises 31 keys in my test VM).
#     
#     This is wrong, but the effect in practice is that when a process tries to
#     allocate the 32nd key, it gets an -EINVAL error instead of -ENOSPC which
#     would indicate that there aren't any keys available
#     
#     Fixes: cf43d3b26452 ("powerpc: Enable pkey subsystem")
#     Cc: stable@vger.kernel.org # v4.16+
#     Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 c716a25b9b70084e1144f77423f5aedd772ea478
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_rainier_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  44x/rainier_defconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_rainier_defconfig_powerpc 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:185:16: warning: 'old' 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:341:21: note: 'pdeo' was declared here
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here
INFO: Uncompressed kernel (size 0x47d7ac) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-4.19.0-rc3-gc716a25b9b70
Created:      Fri Sep 21 01:43:55 2018
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2260478 Bytes = 2207.50 KiB = 2.16 MiB
Load Address: 00500000
Entry Point:  0050110c
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_44x_rainier_defconfig_powerpc
# Build took: 0:00:34.527821