On Thu, 29 Sept 2022 at 11:54, Jon Hunter <jonathanh@xxxxxxxxxx> wrote: > > > On 27/09/2022 10:31, Jon Hunter wrote: > > ... > > >> diff --git a/arch/arm64/include/asm/alternative-macros.h > >> b/arch/arm64/include/asm/alternative-macros.h > >> index 7e157ab6cd505..189c31be163ce 100644 > >> --- a/arch/arm64/include/asm/alternative-macros.h > >> +++ b/arch/arm64/include/asm/alternative-macros.h > >> @@ -2,10 +2,16 @@ > >> #ifndef __ASM_ALTERNATIVE_MACROS_H > >> #define __ASM_ALTERNATIVE_MACROS_H > >> +#include <linux/const.h> > >> + > >> #include <asm/cpucaps.h> > >> #include <asm/insn-def.h> > >> -#define ARM64_CB_PATCH ARM64_NCAPS > >> +#define ARM64_CB_BIT (UL(1) << 15) > >> + > >> +#if ARM64_NCAPS >= ARM64_CB_BIT > >> +#error "cpucaps have overflown ARM64_CB_BIT" > >> +#endif > > > > > > Some of our builders are failing and bisect is pointing to this commit. > > Looks like they don't like the above and I see the following errors ... > > > > CC arch/arm64/kvm/hyp/vhe/debug-sr.o > > /tmp/ccY3kbki.s: Assembler messages: > > /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1600: Error: junk at end of line, first unrecognized > > character is `L' > > /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')' > > /tmp/ccY3kbki.s:1723: Error: junk at end of line, first unrecognized > > character is `L' > > scripts/Makefile.build:249: recipe for target > > 'arch/arm64/kvm/hyp/vhe/debug-sr.o' failed > > > > Seems that it does not like the 'UL' macro for some reason. Any thoughts? > > > FYI, this issue is seen with GCC6 but GCC7 and beyond appear to work fine. > Are you using the same version of binutils with those different compilers? And which is/are the exact version(s)?
