[v2.6.34-stable 76/77] x86: Get rid of asmregparm

Paul Gortmaker
2013-01-08T23:40:25Z

From: Richard Weinberger <richard@nod.at>

-------------------
This is a commit scheduled for the next v2.6.34 longterm release.
http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git
If you see a problem with using this for longterm, please comment.
-------------------

commit 1b4ac2a935aaf194241a2f4165d6407ba9650e1a upstream.

As UML does no longer need asmregparm we can remove it.

Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: namhyung@gmail.com
Cc: davem@davemloft.net
Cc: fweisbec@gmail.com
Cc: dhowells@redhat.com
Link: http://lkml.kernel.org/r/%3C1306189085-29896-1-git-send-email-richard%40nod.at%3E
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
arch/x86/include/asm/linkage.h | 5 -----
arch/x86/kernel/ptrace.c | 4 ++--
include/linux/linkage.h | 4 ----
3 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index 12d55e7..4814297 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -8,11 +8,6 @@

#ifdef CONFIG_X86_32
#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
-/*
- * For 32-bit UML - mark functions implemented in assembly that use
- * regparm input parameters:
- */
-#define asmregparm __attribute__((regparm(3)))

/*
* Make sure the compiler doesn't do anything stupid with the
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 2e9b550..8b57128 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1730,7 +1730,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
* We must return the syscall number to actually look up in the table.
* This can be -1L to skip running any syscall at all.
*/
-asmregparm long syscall_trace_enter(struct pt_regs *regs)
+long syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;

@@ -1775,7 +1775,7 @@ asmregparm long syscall_trace_enter(struct pt_regs *regs)
return ret ?: regs->orig_ax;
}

-asmregparm void syscall_trace_leave(struct pt_regs *regs)
+void syscall_trace_leave(struct pt_regs *regs)
{
bool step;

diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 5126cce..a500d6b 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -14,10 +14,6 @@
#define asmlinkage CPP_ASMLINKAGE
#endif

-#ifndef asmregparm
-# define asmregparm
-#endif
-
#define __page_aligned_data __section(.data.page_aligned) __aligned(PAGE_SIZE)
#define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE)

--
1.7.12.1