On Wed, May 30, 2018 at 09:10:47AM +0530, Souptick Joarder wrote: > On Tue, May 29, 2018 at 11:04 PM, Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > I see: > > > > mm/gup.c:817:15: warning: invalid assignment: |= > > mm/gup.c:817:15: left side has type int > > mm/gup.c:817:15: right side has type restricted vm_fault_t > > > > are you building with 'c=2' or 'C=2'? > > Building with C=2. > Do I need to enable any separate FLAG ? Nope. Here's what I have: willy@bobo:~/kernel/souptick$ make C=2 mm/gup.o CHK include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h CHECK arch/x86/purgatory/purgatory.c CHECK arch/x86/purgatory/sha256.c CHECK arch/x86/purgatory/string.c arch/x86/purgatory/../boot/string.c:134:6: warning: symbol 'simple_strtol' was not declared. Should it be static? CHK include/generated/bounds.h CHK include/generated/timeconst.h CHK include/generated/asm-offsets.h CALL scripts/checksyscalls.sh DESCEND objtool CHECK scripts/mod/empty.c CHK scripts/mod/devicetable-offsets.h CHECK mm/gup.c mm/gup.c:817:15: warning: invalid assignment: |= mm/gup.c:817:15: left side has type int mm/gup.c:817:15: right side has type restricted vm_fault_t CC mm/gup.o
