This patch removes a variable which was not used in two functions.
Yet another code cleanup, nothing really significant.
Please note that I could not test this on x86_64. I don't have the
hardware for it.
Karol Swietlicki
Signed-off-by: Karol Swietlicki <[EMAIL PROTECTED]>
---
diff -upNr linux-2.6.24-rc1/arch/um/kernel/process.c
linux-2.6.23/arch/um/kernel/process.c
--- linux-2.6.24-rc1/arch/um/kernel/process.c 2007-10-24
05:50:57.000000000 +0200
+++ linux-2.6.23/arch/um/kernel/process.c 2007-11-07 19:01:28.000000000
+0100
@@ -83,7 +83,7 @@ static inline void set_current(struct ta
{ external_pid(task), task });
}
-extern void arch_switch_to(struct task_struct *from, struct task_struct *to);
+extern void arch_switch_to(struct task_struct *to);
void *_switch_to(void *prev, void *next, void *last)
{
@@ -99,7 +99,7 @@ void *_switch_to(void *prev, void *next,
switch_threads(&from->thread.switch_buf,
&to->thread.switch_buf);
- arch_switch_to(current->thread.prev_sched, current);
+ arch_switch_to(current);
if (current->thread.saved_task)
show_regs(&(current->thread.regs));
@@ -173,7 +170,7 @@ void fork_handler(void)
* arch_switch_to isn't needed. We could want to apply this to
* improve performance. -bb
*/
- arch_switch_to(current->thread.prev_sched, current);
+ arch_switch_to(current);
current->thread.prev_sched = NULL;
int arch_handle_signal(int sig, struct uml_pt_regs *regs)
diff -upNr linux-2.6.24-rc1/arch/um/sys-i386/ptrace.c
linux-2.6.23/arch/um/sys-i386/ptrace.c
--- linux-2.6.24-rc1/arch/um/sys-i386/ptrace.c 2007-10-24
05:50:57.000000000 +0200
+++ linux-2.6.23/arch/um/sys-i386/ptrace.c 2007-11-07 19:00:52.000000000
+0100
@@ -8,11 +8,11 @@
#include "asm/uaccess.h"
#include "skas.h"
-extern int arch_switch_tls(struct task_struct *from, struct task_struct *to);
+extern int arch_switch_tls(struct task_struct *to);
-void arch_switch_to(struct task_struct *from, struct task_struct *to)
+void arch_switch_to(struct task_struct *to)
{
- int err = arch_switch_tls(from, to);
+ int err = arch_switch_tls(to);
if (!err)
return;
diff -upNr linux-2.6.24-rc1/arch/um/sys-i386/tls.c
linux-2.6.23/arch/um/sys-i386/tls.c
--- linux-2.6.24-rc1/arch/um/sys-i386/tls.c 2007-10-24 05:50:57.000000000
+0200
+++ linux-2.6.23/arch/um/sys-i386/tls.c 2007-11-07 19:01:56.000000000 +0100
@@ -172,7 +172,7 @@ void clear_flushed_tls(struct task_struc
* SKAS patch.
*/
-int arch_switch_tls(struct task_struct *from, struct task_struct *to)
+int arch_switch_tls(struct task_struct *to)
{
if (!host_supports_tls)
return 0;
Files linux-2.6.24-rc1/arch/um/sys-i386/user-offsets.gcno and
linux-2.6.23/arch/um/sys-i386/user-offsets.gcno differ
diff -upNr linux-2.6.24-rc1/arch/um/sys-x86_64/syscalls.c
linux-2.6.23/arch/um/sys-x86_64/syscalls.c
--- linux-2.6.24-rc1/arch/um/sys-x86_64/syscalls.c 2007-10-24
05:50:57.000000000 +0200
+++ linux-2.6.23/arch/um/sys-x86_64/syscalls.c 2007-11-07
18:57:42.000000000 +0100
@@ -105,7 +105,7 @@ long sys_clone(unsigned long clone_flags
return ret;
}
-void arch_switch_to(struct task_struct *from, struct task_struct *to)
+void arch_switch_to(struct task_struct *to)
{
if ((to->thread.arch.fs == 0) || (to->mm == NULL))
return;
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