On Tue, Jul 21, 2020 at 05:43:15PM +0200, Arnd Bergmann wrote:

On Tue, Jul 21, 2020 at 5:07 PM Naresh Kamboju naresh.kamboju@linaro.org wrote:

...

This might add little value.

arm build sets failed on linux next 20200721. The defconfig ( +config fragments ) builds PASS. The tinyconfig and allnoconfig FAILED with gcc-8, gcc-9 and gcc-10.

make -sk KBUILD_BUILD_USER=TuxBuild -C/linux -j32 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- HOSTCC=gcc CC="sccache arm-linux-gnueabihf-gcc" O=build zImage # ../arch/arm/kernel/entry-common.S: Assembler messages: ../arch/arm/kernel/entry-common.S:156: Error: r13 not allowed here -- `bic tsk,sp,#(((1<<12)<<1)-1)&~63' ../arch/arm/kernel/entry-common.S:243: Error: r13 not allowed here -- `bic tsk,sp,#(((1<<12)<<1)-1)&~63' make[3]: *** [../scripts/Makefile.build:361: arch/arm/kernel/entry-common.o] Error 1 ../arch/arm/kernel/entry-v7m.S: Assembler messages: ../arch/arm/kernel/entry-v7m.S:60: Error: r13 not allowed here -- `bic tsk,sp,#(((1<<12)<<1)-1)&~63' ../arch/arm/kernel/entry-v7m.S:86: Error: r13 not allowed here -- `bic tsk,sp,#(((1<<12)<<1)-1)&~63' make[3]: *** [../scripts/Makefile.build:361: arch/arm/kernel/entry-v7m.o] Error 1

full build link, https://gitlab.com/Linaro/lkft/kernel-runs/-/jobs/648560264

This must come from ac5bb8f8445f ("ARM: 8983/1: asm: Rewrite get_thread_info using BIC")

Adding Linus and Ard to Cc as well.

Absolutely no point.

It was known about last night (see your irc scrollback - I mentioned it to sfr). It was reported earlier this afternoon just after I dropped the commit. It's now been reported again.

So, please ignore these reports.