The following build failure affects all stable releases starting with v4.14.y.
v4.9.y and earlier are not affected.
Guenter
---
Build reference: v4.14.122
gcc version: x86_64-linux-gcc.br_real (Buildroot 2017.02) 6.3.0
Building um:defconfig ... failed
--------------
Error log:
In file included from /opt/buildbot/slave/stable-queue-4.14/build/arch/x86/um/../kernel/module.c:34:0:
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h: In function ‘int3_emulate_jmp’:
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h:43:6: error: ‘struct pt_regs’ has no member named ‘ip’
regs->ip = ip;
^~
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h: In function ‘int3_emulate_push’:
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h:58:6: error: ‘struct pt_regs’ has no member named ‘sp’
regs->sp -= sizeof(unsigned long);
^~
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h:59:24: error: ‘struct pt_regs’ has no member named ‘sp’
*(unsigned long *)regs->sp = val;
^~
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h: In function ‘int3_emulate_call’:
/opt/buildbot/slave/stable-queue-4.14/build/arch/x86/include/asm/text-patching.h:64:30: error: ‘struct pt_regs’ has no member named ‘ip’
int3_emulate_push(regs, regs->ip - INT3_INSN_SIZE + CALL_INSN_SIZE);
^~
make[2]: *** [arch/x86/um/../kernel/module.o] Error 1
