Buildresult: powerpc-fixes/mpc512x_defconfig/powerpc-gcc4.6 built on Feb 8 2020, 23:51
kisskb
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Status:
OK
Date/Time:
Feb 8 2020, 23:51
Duration:
0:00:41.838063
Builder:
ka2
Revision:
powerpc: Fix CONFIG_TRACE_IRQFLAGS with CONFIG_VMAP_STACK (
d4bf905307a1c90a27714ff7a9fd29b0a2ceed98)
Target:
powerpc-fixes/mpc512x_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:
mpc512x_defconfig
(
download
)
Log:
Download original
Possible warnings (8)
kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/ext4/extents.c:5009:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/mpc5121_nfc.c:293:19: warning: unused variable 'mtd' [-Wunused-variable] drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] fs/io_uring.c:5713:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify d4bf905307a1c90a27714ff7a9fd29b0a2ceed98^{commit} d4bf905307a1c90a27714ff7a9fd29b0a2ceed98 already have revision, skipping fetch # git checkout -q -f -B kisskb d4bf905307a1c90a27714ff7a9fd29b0a2ceed98 # git clean -qxdf # < git log -1 # commit d4bf905307a1c90a27714ff7a9fd29b0a2ceed98 # Author: Christophe Leroy <christophe.leroy@c-s.fr> # Date: Fri Feb 7 17:20:57 2020 +0000 # # powerpc: Fix CONFIG_TRACE_IRQFLAGS with CONFIG_VMAP_STACK # # When CONFIG_PROVE_LOCKING is selected together with (now default) # CONFIG_VMAP_STACK, kernel enter deadlock during boot. # # At the point of checking whether interrupts are enabled or not, the # value of MSR saved on stack is read using the physical address of the # stack. But at this point, when using VMAP stack the DATA MMU # translation has already been re-enabled, leading to deadlock. # # Don't use the physical address of the stack when # CONFIG_VMAP_STACK is set. # # Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> # Reported-by: Guenter Roeck <linux@roeck-us.net> # Fixes: 028474876f47 ("powerpc/32: prepare for CONFIG_VMAP_STACK") # Tested-by: Guenter Roeck <linux@roeck-us.net> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/daeacdc0dec0416d1c587cc9f9e7191ad3068dc0.1581095957.git.christophe.leroy@c-s.fr # < /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 d4bf905307a1c90a27714ff7a9fd29b0a2ceed98 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc512x_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc512x_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc512x_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:204:16: 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:72:12: 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/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5009:23: 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:2598:6: 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:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/mpc5121_nfc.c: In function 'ads5121_select_chip': /kisskb/src/drivers/mtd/nand/raw/mpc5121_nfc.c:293:19: warning: unused variable 'mtd' [-Wunused-variable] /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] /kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update.isra.74': /kisskb/src/fs/io_uring.c:5713:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] INFO: Uncompressed kernel (size 0x63416c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) Image Name: Linux-5.5.0-gd4bf905307a1 Created: Sat Feb 8 23:52:08 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3145648 Bytes = 3071.92 KiB = 3.00 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc512x_defconfig_powerpc-gcc4.6 # Build took: 0:00:41.838063
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