Re: Build failures in v4.14.y, v4.19.y, v5.0.y, v5.1.y

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On 5/27/19 4:39 PM, Guenter Roeck wrote:
The following build failure affects all stable releases starting with v4.14.y.
v4.9.y and earlier are not affected.

Additional information: v4.14.121, v4.19.45, v5.0.18, and v5.1.4 are not affected.

Guenter

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




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