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| author | Brian Gerst <brgerst@gmail.com> | 2024-03-21 21:05:06 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-03-21 22:17:54 +0300 |
| commit | 2cb16181a1d1f93a88f2b4640e7638fc0549da93 (patch) | |
| tree | dbaada9d4d8b36039e5b3052db5e656ff9e0c956 /arch/x86/kernel/head_64.S | |
| parent | 4ae3dc83b047d51485cce1a72be277a110d77c91 (diff) | |
| download | linux-2cb16181a1d1f93a88f2b4640e7638fc0549da93.tar.xz | |
x86/boot: Simplify boot stack setup
Define the symbol __top_init_kernel_stack instead of duplicating
the offset from __end_init_task in multiple places.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Uros Bizjak <ubizjak@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20240321180506.89030-1-brgerst@gmail.com
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index d8198fbd70e5..b11526869a40 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -66,7 +66,7 @@ SYM_CODE_START_NOALIGN(startup_64) mov %rsi, %r15 /* Set up the stack for verify_cpu() */ - leaq (__end_init_task - TOP_OF_KERNEL_STACK_PADDING - PTREGS_SIZE)(%rip), %rsp + leaq __top_init_kernel_stack(%rip), %rsp /* Setup GSBASE to allow stack canary access for C code */ movl $MSR_GS_BASE, %ecx |