diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2022-03-08 18:30:40 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-03-15 12:32:40 +0300 |
| commit | 3e3f069504344c241f89737e4af014f83fca0b27 (patch) | |
| tree | 688a7a7c08057f42a4020b1a425ad4f5f528ae36 /arch/x86/kernel/relocate_kernel_64.S | |
| parent | fe379fa4d199abc52d5b4a256e52cf94eff685cf (diff) | |
| download | linux-3e3f069504344c241f89737e4af014f83fca0b27.tar.xz | |
x86/ibt: Annotate text references
Annotate away some of the generic code references. This is things
where we take the address of a symbol for exception handling or return
addresses (eg. context switch).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154318.877758523@infradead.org
Diffstat (limited to 'arch/x86/kernel/relocate_kernel_64.S')
| -rw-r--r-- | arch/x86/kernel/relocate_kernel_64.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S index 5b65f6ec5ee6..c1d8626c53b6 100644 --- a/arch/x86/kernel/relocate_kernel_64.S +++ b/arch/x86/kernel/relocate_kernel_64.S @@ -42,6 +42,7 @@ .code64 SYM_CODE_START_NOALIGN(relocate_kernel) UNWIND_HINT_EMPTY + ANNOTATE_NOENDBR /* * %rdi indirection_page * %rsi page_list @@ -223,6 +224,7 @@ SYM_CODE_END(identity_mapped) SYM_CODE_START_LOCAL_NOALIGN(virtual_mapped) UNWIND_HINT_EMPTY + ANNOTATE_NOENDBR // RET target, above movq RSP(%r8), %rsp movq CR4(%r8), %rax movq %rax, %cr4 |