[arm-platforms:kvm-arm64/vgic-last_lr_irq-fixes 1/8] include/linux/kvm_host.h:571:83: error: expected ')'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/vgic-last_lr_irq-fixes
head:   df9d6ca852c63334018676675870385055271f5a
commit: 863b2c5b18c975f73dd3008fac1a97b9168687a3 [1/8] KVM: Guarantee acquire semantics to kvm_vcpu_exiting_guest_mode()
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20260930/202609300250.DJh814mB-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 7615da10b75c57286a4032eac8bb43c1b8d2ba46)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609300250.DJh814mB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609300250.DJh814mB-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/asm-offsets.c:37:
   In file included from arch/powerpc/include/asm/dbell.h:17:
   In file included from arch/powerpc/include/asm/kvm_ppc.h:19:
>> include/linux/kvm_host.h:571:83: error: expected ')'
     571 |         return (cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE) == IN_GUEST_MODE :
         |                                                                                          ^
   include/linux/kvm_host.h:571:9: note: to match this '('
     571 |         return (cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE) == IN_GUEST_MODE :
         |                ^
   1 error generated.
   make[3]: *** [scripts/Makefile.build:185: arch/powerpc/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1425: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +571 include/linux/kvm_host.h

   559	
   560	static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
   561	{
   562		/*
   563		 * The memory barrier ensures a previous write to vcpu->requests cannot
   564		 * be reordered with the read of vcpu->mode.  It pairs with the general
   565		 * memory barrier following the write of vcpu->mode in VCPU RUN.
   566		 *
   567		 * cmpxchg() is not ordered when failing, so make sure we perform an
   568		 * acquire in that case.
   569		 */
   570		smp_mb__before_atomic();
 > 571		return (cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE) == IN_GUEST_MODE :
   572			IN_GUEST_MODE : smp_load_acquire(&vcpu->mode));
   573	}
   574	

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