On 03/13/2018 08:57 AM, Mike Snitzer wrote: > I had to revert the following commits to get this kernel to build > (otherwise I got macro expansion errors, using RHEL7 > gcc-4.8.5-28.el7.x86_64): > > beb7eb2 kernelh-skip-single-eval-logic-on-literals-in-min-max-v3 > 19ff7e5 kernelh-skip-single-eval-logic-on-literals-in-min-max-v2 > c7c133f kernel.h: skip single-eval logic on literals in min()/max() > > (it wasn't until I reverted commit c7c133f that the kernel build worked) Yep, all of my automated randconfig builds were useless... > Here is a snippet of the errors if commit c7c133f was applied: > > [root@rhel-storage-02 linux]# make > CHK include/config/kernel.release > CHK include/generated/uapi/linux/version.h > CHK include/generated/utsrelease.h > CC kernel/bounds.s > CHK include/generated/bounds.h > CHK include/generated/timeconst.h > CC arch/x86/kernel/asm-offsets.s > In file included from ./include/linux/crypto.h:21:0, > from arch/x86/kernel/asm-offsets.c:9: > ./include/linux/jiffies.h: In function ‘jiffies_delta_to_clock_t’: > ./include/linux/kernel.h:856:2: error: first argument to > ‘__builtin_choose_expr’ not a constant > __builtin_choose_expr(__builtin_constant_p(x) && \ > ^ > ./include/linux/kernel.h:869:19: note: in expansion of macro ‘__max’ > #define max(x, y) __max(typeof(x), typeof(y), x, y) > ^ > ./include/linux/jiffies.h:444:28: note: in expansion of macro ‘max’ > return jiffies_to_clock_t(max(0L, delta)); > ^ > ./include/linux/mm.h: In function ‘get_mm_hiwater_rss’: > ./include/linux/kernel.h:856:2: error: first argument to > ‘__builtin_choose_expr’ not a constant > __builtin_choose_expr(__builtin_constant_p(x) && \ > ^ > ./include/linux/kernel.h:869:19: note: in expansion of macro ‘__max’ > #define max(x, y) __max(typeof(x), typeof(y), x, y) > ^ > ./include/linux/mm.h:1569:9: note: in expansion of macro ‘max’ > return max(mm->hiwater_rss, get_mm_rss(mm)); > ^ > ./include/linux/mm.h: In function ‘get_mm_hiwater_vm’: > ./include/linux/kernel.h:856:2: error: first argument to > ‘__builtin_choose_expr’ not a constant > __builtin_choose_expr(__builtin_constant_p(x) && \ > ^ > ./include/linux/kernel.h:869:19: note: in expansion of macro ‘__max’ > #define max(x, y) __max(typeof(x), typeof(y), x, y) > ^ > ./include/linux/mm.h:1574:9: note: in expansion of macro ‘max’ > return max(mm->hiwater_vm, mm->total_vm); > ^ > ./include/linux/bvec.h: In function ‘bvec_iter_advance’: > ./include/linux/kernel.h:833:2: error: first argument to > ‘__builtin_choose_expr’ not a constant > __builtin_choose_expr(__builtin_constant_p(x) && \ > ^ > ./include/linux/kernel.h:847:19: note: in expansion of macro ‘__min’ > #define min(x, y) __min(typeof(x), typeof(y), x, y) > ^ > ./include/linux/bvec.h:59:2: note: in expansion of macro ‘min’ > min((iter).bi_size, \ > ^ > ... > -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
