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cris: kill weird arguments of sys_{rt_,}sigreturn()

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It's cheaper to call current_pt_regs() than bother fetching the damn
thing from stack.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-26 22:11:53 -05:00
parent eb2f256682
commit e6a6d210e0
2 changed files with 8 additions and 16 deletions
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12
arch/cris/arch-v10/kernel/signal.c
View file

@ -101,11 +101,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
return 1;
}
/* Define dummy arguments to be able to reach the regs argument. */
asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof,
long srp, struct pt_regs *regs)
asmlinkage int sys_sigreturn(void)
{
struct pt_regs *regs = current_pt_regs();
struct sigframe __user *frame = (struct sigframe *)rdusp();
sigset_t set;
@ -139,11 +137,9 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof,
return 0;
}
/* Define dummy arguments to be able to reach the regs argument. */
asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13,
long mof, long srp, struct pt_regs *regs)
asmlinkage int sys_rt_sigreturn(void)
{
struct pt_regs *regs = current_pt_regs();
struct rt_sigframe __user *frame = (struct rt_sigframe *)rdusp();
sigset_t set;

12
arch/cris/arch-v32/kernel/signal.c
View file

@ -82,11 +82,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
return 1;
}
/* Define some dummy arguments to be able to reach the regs argument. */
asmlinkage int
sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp,
struct pt_regs *regs)
asmlinkage int sys_sigreturn(void)
{
struct pt_regs *regs = current_pt_regs();
sigset_t set;
struct signal_frame __user *frame;
unsigned long oldspc = regs->spc;
@ -125,11 +123,9 @@ sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp,
return 0;
}
/* Define some dummy variables to be able to reach the regs argument. */
asmlinkage int
sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp,
struct pt_regs *regs)
asmlinkage int sys_rt_sigreturn(void)
{
struct pt_regs *regs = current_pt_regs();
sigset_t set;
struct rt_signal_frame __user *frame;
unsigned long oldspc = regs->spc;