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Message-ID: <202602050419.lwzj2i73-lkp@intel.com>
Date: Thu, 5 Feb 2026 04:57:33 +0800
From: kernel test robot <lkp@...el.com>
To: Zixing Liu <liushuyu@...c.io>, WANG Xuerui <kernel@...0n.name>,
Huacai Chen <chenhuacai@...nel.org>, Bibo Mao <maobibo@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, Kexy Biscuit <kexybiscuit@...c.io>,
Mingcong Bai <jeffbai@...c.io>, Zixing Liu <liushuyu@...c.io>,
Paolo Bonzini <pbonzini@...hat.com>,
Jonathan Corbet <corbet@....net>,
Tianrui Zhao <zhaotianrui@...ngson.cn>,
Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
kvm@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, loongarch@...ts.linux.dev,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v4] KVM: Add KVM_GET_REG_LIST ioctl for LoongArch
Hi Zixing,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvm/queue]
[also build test ERROR on kvm/next linus/master v6.19-rc8]
[cannot apply to kvm/linux-next next-20260204]
[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/Zixing-Liu/KVM-Add-KVM_GET_REG_LIST-ioctl-for-LoongArch/20260204-193844
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link: https://lore.kernel.org/r/20260204113601.912413-1-liushuyu%40aosc.io
patch subject: [PATCH v4] KVM: Add KVM_GET_REG_LIST ioctl for LoongArch
config: loongarch-randconfig-002-20260204 (https://download.01.org/0day-ci/archive/20260205/202602050419.lwzj2i73-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260205/202602050419.lwzj2i73-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/202602050419.lwzj2i73-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from arch/loongarch/include/asm/kvm_mmu.h:9,
from arch/loongarch/include/asm/kvm_host.h:21,
from arch/loongarch/kvm/vcpu.c:6:
>> include/linux/kvm_host.h:389:30: error: field 'arch' has incomplete type
389 | struct kvm_vcpu_arch arch;
| ^~~~
>> include/linux/kvm_host.h:390:30: error: field 'stat' has incomplete type
390 | struct kvm_vcpu_stat stat;
| ^~~~
include/linux/kvm_host.h:601:37: error: field 'arch' has incomplete type
601 | struct kvm_arch_memory_slot arch;
| ^~~~
include/linux/kvm_host.h:831:28: error: field 'stat' has incomplete type
831 | struct kvm_vm_stat stat;
| ^~~~
include/linux/kvm_host.h:832:25: error: field 'arch' has incomplete type
832 | struct kvm_arch arch;
| ^~~~
include/linux/kvm_host.h: In function 'kvm_get_vcpu_by_id':
>> include/linux/kvm_host.h:1023:18: error: 'KVM_MAX_VCPUS' undeclared (first use in this function); did you mean 'KVM_MAX_VCPU_IDS'?
1023 | if (id < KVM_MAX_VCPUS)
| ^~~~~~~~~~~~~
| KVM_MAX_VCPU_IDS
include/linux/kvm_host.h:1023:18: note: each undeclared identifier is reported only once for each function it appears in
arch/loongarch/include/asm/kvm_host.h: At top level:
>> arch/loongarch/include/asm/kvm_host.h:46:9: warning: 'KVM_DIRTY_LOG_MANUAL_CAPS' redefined
46 | #define KVM_DIRTY_LOG_MANUAL_CAPS \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:643:9: note: this is the location of the previous definition
643 | #define KVM_DIRTY_LOG_MANUAL_CAPS KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:337:20: error: static declaration of 'kvm_arch_memslots_updated' follows non-static declaration
337 | static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1237:6: note: previous declaration of 'kvm_arch_memslots_updated' with type 'void(struct kvm *, u64)' {aka 'void(struct kvm *, long long unsigned int)'}
1237 | void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:338:20: error: static declaration of 'kvm_arch_vcpu_blocking' follows non-static declaration
338 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1522:6: note: previous declaration of 'kvm_arch_vcpu_blocking' with type 'void(struct kvm_vcpu *)'
1522 | void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
| ^~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:339:20: error: static declaration of 'kvm_arch_vcpu_unblocking' follows non-static declaration
339 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1523:6: note: previous declaration of 'kvm_arch_vcpu_unblocking' with type 'void(struct kvm_vcpu *)'
1523 | void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:341:20: error: static declaration of 'kvm_arch_free_memslot' follows non-static declaration
341 | static inline void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) {}
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1236:6: note: previous declaration of 'kvm_arch_free_memslot' with type 'void(struct kvm *, struct kvm_memory_slot *)'
1236 | void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
| ^~~~~~~~~~~~~~~~~~~~~
In file included from arch/loongarch/include/asm/kvm_csr.h:12,
from arch/loongarch/kvm/trace.h:10,
from arch/loongarch/kvm/vcpu.c:16:
arch/loongarch/include/asm/kvm_vcpu.h: In function 'kvm_read_reg':
>> arch/loongarch/include/asm/kvm_vcpu.h:120:69: warning: parameter 'num' set but not used [-Wunused-but-set-parameter]
120 | static inline unsigned long kvm_read_reg(struct kvm_vcpu *vcpu, int num)
| ~~~~^~~
arch/loongarch/include/asm/kvm_vcpu.h: In function 'kvm_write_reg':
arch/loongarch/include/asm/kvm_vcpu.h:125:61: warning: parameter 'num' set but not used [-Wunused-but-set-parameter]
125 | static inline void kvm_write_reg(struct kvm_vcpu *vcpu, int num, unsigned long val)
| ~~~~^~~
In file included from include/linux/string.h:386,
from include/linux/bitmap.h:13,
from include/linux/cpumask.h:11,
from arch/loongarch/include/asm/kvm_host.h:9:
arch/loongarch/kvm/vcpu.c: In function 'kvm_set_one_reg':
include/linux/fortify-string.h:503:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
503 | fortify_memset_chk(__fortify_size, p_size, p_size_field), \
| ^
include/linux/fortify-string.h:512:25: note: in expansion of macro '__fortify_memset_chk'
512 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \
| ^~~~~~~~~~~~~~~~~~~~
arch/loongarch/kvm/vcpu.c:920:25: note: in expansion of macro 'memset'
920 | memset(&vcpu->arch.irq_pending, 0, sizeof(vcpu->arch.irq_pending));
| ^~~~~~
include/linux/fortify-string.h:503:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
503 | fortify_memset_chk(__fortify_size, p_size, p_size_field), \
| ^
include/linux/fortify-string.h:512:25: note: in expansion of macro '__fortify_memset_chk'
512 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \
| ^~~~~~~~~~~~~~~~~~~~
arch/loongarch/kvm/vcpu.c:921:25: note: in expansion of macro 'memset'
921 | memset(&vcpu->arch.irq_clear, 0, sizeof(vcpu->arch.irq_clear));
| ^~~~~~
In file included from include/asm-generic/barrier.h:16,
from arch/loongarch/include/asm/barrier.h:137,
from arch/loongarch/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:10:
arch/loongarch/kvm/vcpu.c: In function 'kvm_arch_vcpu_ioctl_get_regs':
>> include/linux/compiler.h:201:82: error: expression in static assertion is not an integer
201 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:206:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
206 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
arch/loongarch/kvm/vcpu.c:975:25: note: in expansion of macro 'ARRAY_SIZE'
975 | for (i = 0; i < ARRAY_SIZE(vcpu->arch.gprs); i++)
| ^~~~~~~~~~
arch/loongarch/kvm/vcpu.c: In function 'kvm_arch_vcpu_ioctl_set_regs':
>> include/linux/compiler.h:201:82: error: expression in static assertion is not an integer
201 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:206:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
206 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
arch/loongarch/kvm/vcpu.c:987:25: note: in expansion of macro 'ARRAY_SIZE'
987 | for (i = 1; i < ARRAY_SIZE(vcpu->arch.gprs); i++)
| ^~~~~~~~~~
--
In file included from arch/loongarch/include/asm/kvm_mmu.h:9,
from arch/loongarch/include/asm/kvm_host.h:21,
from vcpu.c:6:
>> include/linux/kvm_host.h:389:30: error: field 'arch' has incomplete type
389 | struct kvm_vcpu_arch arch;
| ^~~~
>> include/linux/kvm_host.h:390:30: error: field 'stat' has incomplete type
390 | struct kvm_vcpu_stat stat;
| ^~~~
include/linux/kvm_host.h:601:37: error: field 'arch' has incomplete type
601 | struct kvm_arch_memory_slot arch;
| ^~~~
include/linux/kvm_host.h:831:28: error: field 'stat' has incomplete type
831 | struct kvm_vm_stat stat;
| ^~~~
include/linux/kvm_host.h:832:25: error: field 'arch' has incomplete type
832 | struct kvm_arch arch;
| ^~~~
include/linux/kvm_host.h: In function 'kvm_get_vcpu_by_id':
>> include/linux/kvm_host.h:1023:18: error: 'KVM_MAX_VCPUS' undeclared (first use in this function); did you mean 'KVM_MAX_VCPU_IDS'?
1023 | if (id < KVM_MAX_VCPUS)
| ^~~~~~~~~~~~~
| KVM_MAX_VCPU_IDS
include/linux/kvm_host.h:1023:18: note: each undeclared identifier is reported only once for each function it appears in
arch/loongarch/include/asm/kvm_host.h: At top level:
>> arch/loongarch/include/asm/kvm_host.h:46:9: warning: 'KVM_DIRTY_LOG_MANUAL_CAPS' redefined
46 | #define KVM_DIRTY_LOG_MANUAL_CAPS \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:643:9: note: this is the location of the previous definition
643 | #define KVM_DIRTY_LOG_MANUAL_CAPS KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:337:20: error: static declaration of 'kvm_arch_memslots_updated' follows non-static declaration
337 | static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1237:6: note: previous declaration of 'kvm_arch_memslots_updated' with type 'void(struct kvm *, u64)' {aka 'void(struct kvm *, long long unsigned int)'}
1237 | void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:338:20: error: static declaration of 'kvm_arch_vcpu_blocking' follows non-static declaration
338 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1522:6: note: previous declaration of 'kvm_arch_vcpu_blocking' with type 'void(struct kvm_vcpu *)'
1522 | void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
| ^~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:339:20: error: static declaration of 'kvm_arch_vcpu_unblocking' follows non-static declaration
339 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1523:6: note: previous declaration of 'kvm_arch_vcpu_unblocking' with type 'void(struct kvm_vcpu *)'
1523 | void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> arch/loongarch/include/asm/kvm_host.h:341:20: error: static declaration of 'kvm_arch_free_memslot' follows non-static declaration
341 | static inline void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) {}
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/kvm_host.h:1236:6: note: previous declaration of 'kvm_arch_free_memslot' with type 'void(struct kvm *, struct kvm_memory_slot *)'
1236 | void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
| ^~~~~~~~~~~~~~~~~~~~~
In file included from arch/loongarch/include/asm/kvm_csr.h:12,
from trace.h:10,
from vcpu.c:16:
arch/loongarch/include/asm/kvm_vcpu.h: In function 'kvm_read_reg':
>> arch/loongarch/include/asm/kvm_vcpu.h:120:69: warning: parameter 'num' set but not used [-Wunused-but-set-parameter]
120 | static inline unsigned long kvm_read_reg(struct kvm_vcpu *vcpu, int num)
| ~~~~^~~
arch/loongarch/include/asm/kvm_vcpu.h: In function 'kvm_write_reg':
arch/loongarch/include/asm/kvm_vcpu.h:125:61: warning: parameter 'num' set but not used [-Wunused-but-set-parameter]
125 | static inline void kvm_write_reg(struct kvm_vcpu *vcpu, int num, unsigned long val)
| ~~~~^~~
In file included from include/linux/string.h:386,
from include/linux/bitmap.h:13,
from include/linux/cpumask.h:11,
from arch/loongarch/include/asm/kvm_host.h:9:
vcpu.c: In function 'kvm_set_one_reg':
include/linux/fortify-string.h:503:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
503 | fortify_memset_chk(__fortify_size, p_size, p_size_field), \
| ^
include/linux/fortify-string.h:512:25: note: in expansion of macro '__fortify_memset_chk'
512 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \
| ^~~~~~~~~~~~~~~~~~~~
vcpu.c:920:25: note: in expansion of macro 'memset'
920 | memset(&vcpu->arch.irq_pending, 0, sizeof(vcpu->arch.irq_pending));
| ^~~~~~
include/linux/fortify-string.h:503:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
503 | fortify_memset_chk(__fortify_size, p_size, p_size_field), \
| ^
include/linux/fortify-string.h:512:25: note: in expansion of macro '__fortify_memset_chk'
512 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \
| ^~~~~~~~~~~~~~~~~~~~
vcpu.c:921:25: note: in expansion of macro 'memset'
921 | memset(&vcpu->arch.irq_clear, 0, sizeof(vcpu->arch.irq_clear));
| ^~~~~~
In file included from include/asm-generic/barrier.h:16,
from arch/loongarch/include/asm/barrier.h:137,
from arch/loongarch/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:10:
vcpu.c: In function 'kvm_arch_vcpu_ioctl_get_regs':
>> include/linux/compiler.h:201:82: error: expression in static assertion is not an integer
201 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:206:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
206 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
vcpu.c:975:25: note: in expansion of macro 'ARRAY_SIZE'
975 | for (i = 0; i < ARRAY_SIZE(vcpu->arch.gprs); i++)
| ^~~~~~~~~~
vcpu.c: In function 'kvm_arch_vcpu_ioctl_set_regs':
>> include/linux/compiler.h:201:82: error: expression in static assertion is not an integer
201 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:206:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
206 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
vcpu.c:987:25: note: in expansion of macro 'ARRAY_SIZE'
987 | for (i = 1; i < ARRAY_SIZE(vcpu->arch.gprs); i++)
| ^~~~~~~~~~
vim +/arch +389 include/linux/kvm_host.h
af585b921e5d1e9 include/linux/kvm_host.h Gleb Natapov 2010-10-14 372
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 373 #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 374 /*
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 375 * Cpu relax intercept or pause loop exit optimization
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 376 * in_spin_loop: set when a vcpu does a pause loop exit
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 377 * or cpu relax intercepted.
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 378 * dy_eligible: indicates whether vcpu is eligible for directed yield.
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 379 */
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 380 struct {
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 381 bool in_spin_loop;
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 382 bool dy_eligible;
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 383 } spin_loop;
4c088493c8d07e4 include/linux/kvm_host.h Raghavendra K T 2012-07-18 384 #endif
a6816314af5749c include/linux/kvm_host.h David Matlack 2024-05-03 385 bool wants_to_run;
3a08a8f9f0936e1 include/linux/kvm_host.h Raghavendra K T 2013-03-04 386 bool preempted;
d73eb57b80b98ae include/linux/kvm_host.h Wanpeng Li 2019-07-18 387 bool ready;
d1ae567fb8b5594 include/linux/kvm_host.h Sean Christopherson 2024-05-21 388 bool scheduled_out;
d657a98e3c20537 drivers/kvm/kvm.h Zhang Xiantao 2007-12-14 @389 struct kvm_vcpu_arch arch;
ce55c049459cff0 include/linux/kvm_host.h Jing Zhang 2021-06-18 @390 struct kvm_vcpu_stat stat;
ce55c049459cff0 include/linux/kvm_host.h Jing Zhang 2021-06-18 391 char stats_id[KVM_STATS_NAME_SIZE];
fb04a1eddb1a65b include/linux/kvm_host.h Peter Xu 2020-09-30 392 struct kvm_dirty_ring dirty_ring;
fe22ed827c5b60b include/linux/kvm_host.h David Matlack 2021-08-04 393
fe22ed827c5b60b include/linux/kvm_host.h David Matlack 2021-08-04 394 /*
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 395 * The most recently used memslot by this vCPU and the slots generation
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 396 * for which it is valid.
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 397 * No wraparound protection is needed since generations won't overflow in
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 398 * thousands of years, even assuming 1M memslot operations per second.
fe22ed827c5b60b include/linux/kvm_host.h David Matlack 2021-08-04 399 */
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 400 struct kvm_memory_slot *last_used_slot;
a54d806688fe1e4 include/linux/kvm_host.h Maciej S. Szmigiero 2021-12-06 401 u64 last_used_slot_gen;
d657a98e3c20537 drivers/kvm/kvm.h Zhang Xiantao 2007-12-14 402 };
d657a98e3c20537 drivers/kvm/kvm.h Zhang Xiantao 2007-12-14 403
--
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