函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:arch\x86\kernel\cpu\common.c Create Date:2022-07-27 08:55:10
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static int __init x86_mpx_setup(char *s)
{
    /* require an exact match without trailing characters */
    if (strlen(s))
        return 0;
 
    /* do not emit a message if the feature is not present */
    if (!boot_cpu_has(X86_FEATURE_MPX))
        return 1;
 
    setup_clear_cpu_cap(X86_FEATURE_MPX);
    pr_info("nompx: Intel Memory Protection Extensions (MPX) disabled\n");
    return 1;
}