Buildresult: powerpc-fixes/44x/bluestone_defconfig/powerpc-gcc4.6 built on Jun 26 2019, 00:00
kisskb
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Status:
OK
Date/Time:
Jun 26 2019, 00:00
Duration:
0:00:33.622026
Builder:
ka2
Revision:
powerpc/64s/exception: Fix machine check early corrupting AMR (
e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa)
Target:
powerpc-fixes/44x/bluestone_defconfig/powerpc-gcc4.6
Branch:
powerpc-fixes
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:
44x/bluestone_defconfig
(
download
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Log:
Download original
Possible warnings (5)
kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1850:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2589:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa^{commit} e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa already have revision, skipping fetch # git checkout -q -f -B kisskb e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # git clean -qxdf # < git log -1 # commit e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Sat Jun 22 08:55:54 2019 +1000 # # powerpc/64s/exception: Fix machine check early corrupting AMR # # The early machine check runs in real mode, so locking is unnecessary. # Worse, the windup does not restore AMR, so this can result in a false # KUAP fault after a recoverable machine check hits inside a user copy # operation. # # Fix this similarly to HMI by just avoiding the kuap lock in the # early machine check handler (it will be set by the late handler that # runs in virtual mode if that runs). If the virtual mode handler is # reached, it will lock and restore the AMR. # # Fixes: 890274c2dc4c0 ("powerpc/64s: Implement KUAP for Radix MMU") # Cc: Russell Currey <ruscur@russell.cc> # Signed-off-by: Nicholas Piggin <npiggin@gmail.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 # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_bluestone_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 44x/bluestone_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_bluestone_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/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1850:6: warning: 'ret' 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:2589:6: warning: 'ret' 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/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 Completed OK # rm -rf /kisskb/build/powerpc-fixes_44x_bluestone_defconfig_powerpc-gcc4.6 # Build took: 0:00:33.622026
© Michael Ellerman 2006-2018.