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| author | Jinyang He <hejinyang@loongson.cn> | 2022-10-29 11:29:31 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-10-29 11:29:31 +0300 |
| commit | b40fa75e1542e069a4eb9b33d62061d4ae734537 (patch) | |
| tree | 42b4675b92d528242d7252012d482a84d772622e /arch/loongarch/kernel/head.S | |
| parent | 247f34f7b80357943234f93f247a1ae6b6c3a740 (diff) | |
| download | linux-b40fa75e1542e069a4eb9b33d62061d4ae734537.tar.xz | |
LoongArch: Remove unused kernel stack padding
The current LoongArch kernel stack is padded as if obeying the MIPS o32
calling convention (32 bytes), signifying the port's MIPS lineage but no
longer making sense. Remove the padding for clarity.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/kernel/head.S')
| -rw-r--r-- | arch/loongarch/kernel/head.S | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S index 97425779ce9f..84970e266658 100644 --- a/arch/loongarch/kernel/head.S +++ b/arch/loongarch/kernel/head.S @@ -84,10 +84,9 @@ SYM_CODE_START(kernel_entry) # kernel entry point la.pcrel tp, init_thread_union /* Set the SP after an empty pt_regs. */ - PTR_LI sp, (_THREAD_SIZE - 32 - PT_SIZE) + PTR_LI sp, (_THREAD_SIZE - PT_SIZE) PTR_ADD sp, sp, tp set_saved_sp sp, t0, t1 - PTR_ADDI sp, sp, -4 * SZREG # init stack pointer bl start_kernel ASM_BUG() |