# git rev-parse -q --verify 14e3e989f6a5d9646b6cf60690499cc8bdc11f7d^{commit} 14e3e989f6a5d9646b6cf60690499cc8bdc11f7d already have revision, skipping fetch # git checkout -q -f -B kisskb 14e3e989f6a5d9646b6cf60690499cc8bdc11f7d # git clean -qxdf # < git log -1 # commit 14e3e989f6a5d9646b6cf60690499cc8bdc11f7d # Author: Linus Torvalds # Date: Sun Dec 27 10:56:33 2020 -0800 # # proc mountinfo: make splice available again # # Since commit 36e2c7421f02 ("fs: don't allow splice read/write without # explicit ops") we've required that file operation structures explicitly # enable splice support, rather than falling back to the default handlers. # # Most /proc files use the indirect 'struct proc_ops' to describe their # file operations, and were fixed up to support splice earlier in commits # 40be821d627c..b24c30c67863, but the mountinfo files interact with the # VFS directly using their own 'struct file_operations' and got missed as # a result. # # This adds the necessary support for splice to work for /proc/*/mountinfo # and friends. # # Reported-by: Joan Bruguera Micó # Reported-by: Jussi Kivilinna # Link: https://bugzilla.kernel.org/show_bug.cgi?id=209971 # Cc: Greg Kroah-Hartman # Cc: Christoph Hellwig # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 14e3e989f6a5d9646b6cf60690499cc8bdc11f7d # < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- randconfig KCONFIG_SEED=0xAAE12397 WARNING: unmet direct dependencies detected for SND_SOC_MT6359 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && MTK_PMIC_WRAP [=n] Selected by [y]: - SND_SOC_MT8192_MT6359_RT1015_RT5682 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] && SND_SOC_MT8192 [=y] # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- help # make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- olddefconfig .config:6939:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD WARNING: unmet direct dependencies detected for SND_SOC_MT6359 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && MTK_PMIC_WRAP [=n] Selected by [y]: - SND_SOC_MT8192_MT6359_RT1015_RT5682 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] && SND_SOC_MT8192 [=y] # make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum WARNING: unmet direct dependencies detected for SND_SOC_MT6359 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && MTK_PMIC_WRAP [=n] Selected by [y]: - SND_SOC_MT8192_MT6359_RT1015_RT5682 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] && SND_SOC_MT8192 [=y] WARNING: unmet direct dependencies detected for SND_SOC_MT6359 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && MTK_PMIC_WRAP [=n] Selected by [y]: - SND_SOC_MT8192_MT6359_RT1015_RT5682 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] && SND_SOC_MT8192 [=y] WARNING: unmet direct dependencies detected for SND_SOC_MT6359 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && MTK_PMIC_WRAP [=n] Selected by [y]: - SND_SOC_MT8192_MT6359_RT1015_RT5682 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] && SND_SOC_MT8192 [=y] arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum /kisskb/src/arch/arm64/kernel/smp.c: In function 'arch_show_interrupts': /kisskb/src/arch/arm64/kernel/smp.c:810:16: warning: unused variable 'irq' [-Wunused-variable] unsigned int irq = irq_desc_get_irq(ipi_desc[i]); ^ Completed OK # rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 # Build took: 0:12:05.047897