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powerpc/syscalls: signal_{32, 64} - switch to SYSCALL_DEFINE

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[mpe: Fix sys_debug_setcontext() prototype to return long]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Al Viro
2018-05-02 23:20:47 +10:00
committed by Michael Ellerman
parent 3691d61455
commit f3675644e1
4 changed files with 35 additions and 40 deletions
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15
arch/powerpc/kernel/signal_64.c
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@@ -24,6 +24,7 @@
#include <linux/elf.h>
#include <linux/ptrace.h>
#include <linux/ratelimit.h>
#include <linux/syscalls.h>
#include <asm/sigcontext.h>
#include <asm/ucontext.h>
@@ -624,17 +625,14 @@ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp)
/*
* Handle {get,set,swap}_context operations
*/
int sys_swapcontext(struct ucontext __user *old_ctx,
struct ucontext __user *new_ctx,
long ctx_size, long r6, long r7, long r8, struct pt_regs *regs)
SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
struct ucontext __user *, new_ctx, long, ctx_size)
{
unsigned char tmp;
sigset_t set;
unsigned long new_msr = 0;
int ctx_has_vsx_region = 0;
BUG_ON(regs != current->thread.regs);
if (new_ctx &&
get_user(new_msr, &new_ctx->uc_mcontext.gp_regs[PT_MSR]))
return -EFAULT;
@@ -698,18 +696,15 @@ int sys_swapcontext(struct ucontext __user *old_ctx,
* Do a signal return; undo the signal stack.
*/
int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7, unsigned long r8,
struct pt_regs *regs)
SYSCALL_DEFINE0(rt_sigreturn)
{
struct pt_regs *regs = current_pt_regs();
struct ucontext __user *uc = (struct ucontext __user *)regs->gpr[1];
sigset_t set;
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
unsigned long msr;
#endif
BUG_ON(current->thread.regs != regs);
/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;