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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/include/asm/processor.h | |
| 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/include/asm/processor.h')
| -rw-r--r-- | arch/loongarch/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/loongarch/include/asm/processor.h b/arch/loongarch/include/asm/processor.h index 6954dc5d24e9..7184f1dc61f2 100644 --- a/arch/loongarch/include/asm/processor.h +++ b/arch/loongarch/include/asm/processor.h @@ -191,7 +191,7 @@ static inline void flush_thread(void) unsigned long __get_wchan(struct task_struct *p); #define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \ - THREAD_SIZE - 32 - sizeof(struct pt_regs)) + THREAD_SIZE - sizeof(struct pt_regs)) #define task_pt_regs(tsk) ((struct pt_regs *)__KSTK_TOS(tsk)) #define KSTK_EIP(tsk) (task_pt_regs(tsk)->csr_era) #define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[3]) |