Function report |
Source Code:arch\x86\kernel\cpu\amd.c |
Create Date:2022-07-28 07:58:22 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:clear_rdrand_cpuid_bit
Proto:static void clear_rdrand_cpuid_bit(struct cpuinfo_x86 *c)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct cpuinfo_x86 * | c |
832 | If Not IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_PM_SLEEP) Then Return |
839 | If Not (cpuid_ecx(1) & BIT(30)) || rdrand_force Then Return |
849 | pr_info_once("BIOS may not properly restore RDRAND after suspend, but hypervisor does not support hiding RDRAND via CPUID.\n") |
850 | Return |
853 | clear_cpu_cap(c, RDRAND instruction ) |
854 | pr_info_once("BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force to reenable.\n") |
Name | Describe |
---|---|
init_amd_jg | |
init_amd_bd |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |