tjh.dev
+9
-9
arch/x86/kernel/head_64.S
+9
-9
arch/x86/kernel/head_64.S
···
77
77
call startup_64_setup_env
78
78
popq %rsi
79
79
80
+
/* Now switch to __KERNEL_CS so IRET works reliably */
81
+
pushq $__KERNEL_CS
82
+
leaq .Lon_kernel_cs(%rip), %rax
83
+
pushq %rax
84
+
lretq
85
+
86
+
.Lon_kernel_cs:
87
+
UNWIND_HINT_END_OF_STACK
88
+
80
89
#ifdef CONFIG_AMD_MEM_ENCRYPT
81
90
/*
82
91
* Activate SEV/SME memory encryption if supported/enabled. This needs to
···
98
89
call sme_enable
99
90
popq %rsi
100
91
#endif
101
-
102
-
/* Now switch to __KERNEL_CS so IRET works reliably */
103
-
pushq $__KERNEL_CS
104
-
leaq .Lon_kernel_cs(%rip), %rax
105
-
pushq %rax
106
-
lretq
107
-
108
-
.Lon_kernel_cs:
109
-
UNWIND_HINT_END_OF_STACK
110
92
111
93
/* Sanitize CPU configuration */
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94
call verify_cpu