linux-kernel - Re: [PATCH v12 19/46] KVM: arm64: Expose support for private memory

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Message-ID: <202512202102.XFW5Jfym-lkp@intel.com>
Date: Sat, 20 Dec 2025 21:46:50 +0800
From: kernel test robot <lkp@...el.com>
To: Steven Price <steven.price@....com>, kvm@...r.kernel.org,
	kvmarm@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, Steven Price <steven.price@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
	James Morse <james.morse@....com>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Joey Gouly <joey.gouly@....com>,
	Alexandru Elisei <alexandru.elisei@....com>,
	Christoffer Dall <christoffer.dall@....com>,
	Fuad Tabba <tabba@...gle.com>, linux-coco@...ts.linux.dev,
	Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>,
	Gavin Shan <gshan@...hat.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	Alper Gun <alpergun@...gle.com>,
	"Aneesh Kumar K . V" <aneesh.kumar@...nel.org>,
	Emi Kisanuki <fj0570is@...itsu.com>,
	Vishal Annapurve <vannapurve@...gle.com>
Subject: Re: [PATCH v12 19/46] KVM: arm64: Expose support for private memory

Hi Steven,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.19-rc1 next-20251219]
[cannot apply to kvmarm/next kvm/queue kvm/next arm64/for-next/core kvm/linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Steven-Price/kvm-arm64-Include-kvm_emulate-h-in-kvm-arm_psci-h/20251218-030351
base:   linus/master
patch link:    https://lore.kernel.org/r/20251217101125.91098-20-steven.price%40arm.com
patch subject: [PATCH v12 19/46] KVM: arm64: Expose support for private memory
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251220/202512202102.XFW5Jfym-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251220/202512202102.XFW5Jfym-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512202102.XFW5Jfym-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/kvm_host.h:45,
                    from arch/arm64/kernel/asm-offsets.c:16:
>> include/linux/kvm_host.h:725:45: error: expected identifier or '(' before 'struct'
     725 | static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
         |                                             ^~~~~~
   arch/arm64/include/asm/kvm_host.h:1465:41: note: in definition of macro 'kvm_arch_has_private_mem'
    1465 | #define kvm_arch_has_private_mem(kvm) ((kvm)->arch.is_realm)
         |                                         ^~~
>> arch/arm64/include/asm/kvm_host.h:1465:45: error: expected ')' before '->' token
    1465 | #define kvm_arch_has_private_mem(kvm) ((kvm)->arch.is_realm)
         |                                             ^~
   include/linux/kvm_host.h:725:20: note: in expansion of macro 'kvm_arch_has_private_mem'
     725 | static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~
   make[3]: *** [scripts/Makefile.build:182: arch/arm64/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1314: 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 +725 include/linux/kvm_host.h

f481b069e67437 Paolo Bonzini       2015-05-17  723  
d1e54dd08f163a Fuad Tabba          2025-07-29  724  #ifndef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES
a7800aa80ea4d5 Sean Christopherson 2023-11-13 @725  static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
a7800aa80ea4d5 Sean Christopherson 2023-11-13  726  {
a7800aa80ea4d5 Sean Christopherson 2023-11-13  727  	return false;
a7800aa80ea4d5 Sean Christopherson 2023-11-13  728  }
a7800aa80ea4d5 Sean Christopherson 2023-11-13  729  #endif
a7800aa80ea4d5 Sean Christopherson 2023-11-13  730  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki