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hv: Check pcpu number in Hw platform detect

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if the physical number > CONFIG_MAX_PCPU_NUM,
will return error and panic.

Tracked-On: #861
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi 2018-10-24 13:30:48 +08:00 committed by Xie, Nanlin
parent 298044d95b
commit 672583a091
1 changed files with 5 additions and 0 deletions
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5
hypervisor/arch/x86/cpu.c
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@ -259,6 +259,11 @@ static int hardware_detect_support(void)
return -ENODEV; return -ENODEV;
} }
if (phys_cpu_num > CONFIG_MAX_PCPU_NUM) {
pr_fatal("%s, pcpu number(%d) is out of range\n", __func__, phys_cpu_num);
return -ENODEV;
}
ret = check_vmx_mmu_cap(); ret = check_vmx_mmu_cap();
if (ret != 0) { if (ret != 0) {
return ret; return ret;