Greg Kroah-Hartman wrote... > -rc2 is out to fix some build issues: > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.14-rc2.gz Eventually I gave it a try as well, and encountered a problem when building for ppc64 (big endian): | CC arch/powerpc/net/bpf_jit_comp64.o | In file included from ./arch/powerpc/include/asm/processor.h:13, | from ./arch/powerpc/include/asm/book3s/64/mmu-hash.h:26, | from ./arch/powerpc/include/asm/book3s/64/mmu.h:30, | from ./arch/powerpc/include/asm/mmu.h:313, | from ./arch/powerpc/include/asm/lppaca.h:36, | from ./arch/powerpc/include/asm/paca.h:21, | from ./arch/powerpc/include/asm/current.h:16, | from ./include/linux/sched.h:12, | from arch/powerpc/kernel/signal_64.c:15: | arch/powerpc/kernel/signal_64.c: In function 'sys_rt_sigreturn': | arch/powerpc/kernel/signal_64.c:761:21: error: 'msr' undeclared (first use in this function) | if (!MSR_TM_ACTIVE(msr)) { | ^~~ | ./arch/powerpc/include/asm/reg.h:121:29: note: in definition of macro 'MSR_TM_ACTIVE' | #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ | ^ | arch/powerpc/kernel/signal_64.c:761:21: note: each undeclared identifier is reported only once for each function it appears in | if (!MSR_TM_ACTIVE(msr)) { | ^~~ | ./arch/powerpc/include/asm/reg.h:121:29: note: in definition of macro 'MSR_TM_ACTIVE' | #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ | ^ | make[4]: *** [scripts/Makefile.build:303: arch/powerpc/kernel/signal_64.o] Error 1 | make[3]: *** [Makefile:1052: arch/powerpc/kernel] Error 2 Most likely this was introduced by (Cc'ed) | commit 31d30f00e798eb3f18726a58c31f3edacd6f590d | Author: Breno Leitao <leitao@xxxxxxxxxx> | Date: Wed Nov 21 17:21:09 2018 -0200 | | powerpc/tm: Set MSR[TS] just prior to recheckpoint FWIW, CONFIG_PPC_TRANSACTIONAL_MEM is not set but perhaps should, will do more checks later. Christoph
