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s390/syscalls: Remove system call table pointer from thread_struct

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With compat support gone there is only one system call table
left. Therefore remove the sys_call_table pointer from
thread_struct and use the sys_call_table directly.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens
2025-11-10 19:54:39 +01:00
parent 3db5cf9354
commit f4e1f1b137
3 changed files with 1 additions and 3 deletions
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1
arch/s390/include/asm/elf.h
View File

@@ -217,7 +217,6 @@ extern char elf_platform[];
do { \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \
current->thread.sys_call_table = sys_call_table; \
} while (0)
/*

1
arch/s390/include/asm/processor.h
View File

@@ -175,7 +175,6 @@ struct thread_struct {
unsigned long system_timer; /* task cputime in kernel space */
unsigned long hardirq_timer; /* task cputime in hardirq context */
unsigned long softirq_timer; /* task cputime in softirq context */
const sys_call_ptr_t *sys_call_table; /* system call table address */
union teid gmap_teid; /* address and flags of last gmap fault */
unsigned int gmap_int_code; /* int code of last gmap fault */
int ufpu_flags; /* user fpu flags */

2
arch/s390/kernel/syscall.c
View File

@@ -122,7 +122,7 @@ void noinstr __do_syscall(struct pt_regs *regs, int per_trap)
goto out;
regs->gprs[2] = -ENOSYS;
if (likely(nr < NR_syscalls))
regs->gprs[2] = current->thread.sys_call_table[nr](regs);
regs->gprs[2] = sys_call_table[nr](regs);
out:
syscall_exit_to_user_mode(regs);
}