On Wed, Mar 09, 2022 at 06:15:08PM +0000, Sudip Mukherjee wrote: > On Wed, Mar 9, 2022 at 6:08 PM Sudip Mukherjee > <sudipm.mukherjee@xxxxxxxxx> wrote: > > > > Hi Greg, > > > > On Wed, Mar 9, 2022 at 4:03 PM Greg Kroah-Hartman > > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > > This is the start of the stable review cycle for the 4.19.234 release. > > > There are 18 patches in this series, all will be posted as a response > > > to this one. If anyone has any issues with these being applied, please > > > let me know. > > > > > > Responses should be made by Fri, 11 Mar 2022 15:58:48 +0000. > > > Anything received after that time might be too late. > > > > My tests are still running, but just an initial result for you, > > > > x86_64 defconfig fails with: > > arch/x86/kernel/cpu/bugs.c: In function 'spectre_v2_select_mitigation': > > arch/x86/kernel/cpu/bugs.c:973:41: error: implicit declaration of > > function 'unprivileged_ebpf_enabled' > > [-Werror=implicit-function-declaration] > > 973 | if (mode == SPECTRE_V2_EIBRS && unprivileged_ebpf_enabled()) > > And, lots of failures in arm builds also. > Error: > arch/arm/common/secure_cntvoff.S: Assembler messages: > arch/arm/common/secure_cntvoff.S:24: Error: co-processor register > expected -- `mcr p15,0,r0,c7,r5,4' > arch/arm/common/secure_cntvoff.S:27: Error: co-processor register > expected -- `mcr p15,0,r0,c7,r5,4' > arch/arm/common/secure_cntvoff.S:29: Error: co-processor register > expected -- `mcr p15,0,r0,c7,r5,4' > make[1]: *** [scripts/Makefile.build:403: > arch/arm/common/secure_cntvoff.o] Error 1 > make[1]: *** Waiting for unfinished jobs.... > arch/arm/kernel/entry-common.S: Assembler messages: > arch/arm/kernel/entry-common.S:178: Error: co-processor register > expected -- `mcr p15,0,r0,c7,r5,4' > arch/arm/kernel/entry-common.S:187: Error: co-processor register > expected -- `mcr p15,0,r0,c7,r5,4' > make[1]: *** [scripts/Makefile.build:403: > arch/arm/kernel/entry-common.o] Error 1 > make[1]: *** Waiting for unfinished jobs.... > arch/arm/mm/cache-v7.S: Assembler messages: > arch/arm/mm/cache-v7.S:64: Error: co-processor register expected -- > `mcr p15,0,r0,c7,r5,4' > arch/arm/mm/cache-v7.S:137: Error: co-processor register expected -- > `mcr p15,0,r0,c7,r5,4' > arch/arm/mm/cache-v7.S:171: Error: co-processor register expected -- > `mcr p15,0,r0,c7,r5,4' > arch/arm/mm/cache-v7.S:299: Error: co-processor register expected -- > `mcr p15,0,r0,c7,r5,4' > make[1]: *** [scripts/Makefile.build:403: arch/arm/mm/cache-v7.o] Error 1 All clang builds for arm are known to fail, and some arm64 clang builds will also fail. I have seen initial patches for arm64, will let the clang developers come up with the arm fix as I have no idea how to handle that. This just mirrors Linus's tree right now :) Unless this is gcc? thanks, greg k-h
