diff options
Diffstat (limited to 'arch/x86/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index aa4d0221583c..4fa0be732af1 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -79,11 +79,13 @@ const_cpu_current_top_of_stack = cpu_current_top_of_stack; #define BSS_DECRYPTED \ . = ALIGN(PMD_SIZE); \ __start_bss_decrypted = .; \ + __pi___start_bss_decrypted = .; \ *(.bss..decrypted); \ . = ALIGN(PAGE_SIZE); \ __start_bss_decrypted_unused = .; \ . = ALIGN(PMD_SIZE); \ __end_bss_decrypted = .; \ + __pi___end_bss_decrypted = .; \ #else @@ -128,6 +130,7 @@ SECTIONS /* Text and read-only data */ .text : AT(ADDR(.text) - LOAD_OFFSET) { _text = .; + __pi__text = .; _stext = .; ALIGN_ENTRY_TEXT_BEGIN *(.text..__x86.rethunk_untrain) @@ -391,6 +394,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); /* keep VO_INIT_SIZE page aligned */ _end = .; + __pi__end = .; #ifdef CONFIG_AMD_MEM_ENCRYPT /* @@ -505,6 +509,16 @@ PROVIDE(__ref_stack_chk_guard = __stack_chk_guard); "SRSO function pair won't alias"); #endif +#if defined(CONFIG_MITIGATION_ITS) && !defined(CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B) +. = ASSERT(__x86_indirect_its_thunk_rax & 0x20, "__x86_indirect_thunk_rax not in second half of cacheline"); +. = ASSERT(((__x86_indirect_its_thunk_rcx - __x86_indirect_its_thunk_rax) % 64) == 0, "Indirect thunks are not cacheline apart"); +. = ASSERT(__x86_indirect_its_thunk_array == __x86_indirect_its_thunk_rax, "Gap in ITS thunk array"); +#endif + +#if defined(CONFIG_MITIGATION_ITS) && !defined(CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B) +. = ASSERT(its_return_thunk & 0x20, "its_return_thunk not in second half of cacheline"); +#endif + #endif /* CONFIG_X86_64 */ /* |