For HPC usage case, it will create a huge VM with vcpus number as same as host cpus and this requires more vcpus support in a single VM. This patch is to increase max vcpu number from 288 to 8192 which is current default maximum cpu number for Linux kernel.
Signed-off-by: Lan Tianyu <[email protected]> --- arch/x86/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 87ac4fb..7946394 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -35,7 +35,7 @@ #include <asm/asm.h> #include <asm/kvm_page_track.h> -#define KVM_MAX_VCPUS 288 +#define KVM_MAX_VCPUS 8192 #define KVM_SOFT_MAX_VCPUS 240 #define KVM_MAX_VCPU_ID 1023 #define KVM_USER_MEM_SLOTS 509 -- 1.8.3.1
