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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-26 22:11:53 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 18:15:54 -0500
commite6a6d210e0c2ad95047e2922394fb6e73bf438ab (patch)
tree9fc39ee8f5c60dc13159fa0d6e31073ec426fcc3
parenteb2f256682e5af4b890d1f3cce4a4d4b62ffa655 (diff)
downloadlinux-rt-e6a6d210e0c2ad95047e2922394fb6e73bf438ab.tar.gz
cris: kill weird arguments of sys_{rt_,}sigreturn()
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>
-rw-r--r--arch/cris/arch-v10/kernel/signal.c12
-rw-r--r--arch/cris/arch-v32/kernel/signal.c12
2 files changed, 8 insertions, 16 deletions
diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index 090e9c64408b..61ce6273a895 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -101,11 +101,9 @@ badframe:
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 @@ badframe:
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;
diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index cee740732d1f..01d1375c9004 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -82,11 +82,9 @@ badframe:
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 @@ badframe:
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;