# git rev-parse -q --verify 15ae5119c2dd05eb3f4de0c8f10ede7c95e4017b^{commit} 15ae5119c2dd05eb3f4de0c8f10ede7c95e4017b already have revision, skipping fetch # git checkout -q -f -B kisskb 15ae5119c2dd05eb3f4de0c8f10ede7c95e4017b # git clean -qxdf # < git log -1 # commit 15ae5119c2dd05eb3f4de0c8f10ede7c95e4017b # Author: Frederic Barrat # Date: Mon Jan 13 14:01:18 2020 +0100 # # powerpc/xive: Discard ESB load value when interrupt is invalid # # A load on an ESB page returning all 1's means that the underlying # device has invalidated the access to the PQ state of the interrupt # through mmio. It may happen, for example when querying a PHB interrupt # while the PHB is in an error state. # # In that case, we should consider the interrupt to be invalid when # checking its state in the irq_get_irqchip_state() handler. # # Fixes: da15c03b047d ("powerpc/xive: Implement get_irqchip_state method for XIVE to fix shutdown race") # Cc: stable@vger.kernel.org # v5.4+ # Signed-off-by: Frederic Barrat # [clg: wrote a commit log, introduced XIVE_ESB_INVALID ] # Signed-off-by: Cédric Le Goater # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20200113130118.27969-1-clg@kaod.org # < /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 15ae5119c2dd05eb3f4de0c8f10ede7c95e4017b # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_linkstation_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- linkstation_defconfig WARNING: unmet direct dependencies detected for PPC_INDIRECT_PCI Depends on [n]: PCI [=n] Selected by [y]: - MPC10X_BRIDGE [=y] WARNING: unmet direct dependencies detected for PPC_INDIRECT_PCI Depends on [n]: PCI [=n] Selected by [y]: - MPC10X_BRIDGE [=y] # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_linkstation_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/include/linux/of_mdio.h:58:13: error: 'of_mdiobus_child_is_phy' defined but not used [-Werror=unused-function] cc1: all warnings being treated as errors make[3]: *** [/kisskb/src/scripts/Makefile.build:266: arch/powerpc/sysdev/fsl_soc.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.build:503: arch/powerpc/sysdev] Error 2 make[2]: *** Waiting for unfinished jobs.... /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/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' 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 make[1]: *** [/kisskb/src/Makefile:1693: arch/powerpc] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /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/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] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_linkstation_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-fixes_linkstation_defconfig_powerpc-gcc4.6 # Build took: 0:00:47.690643