x86: tls32 moved
Roland McGrath [Wed, 30 Jan 2008 12:30:45 +0000 (13:30 +0100)]
This renames arch/x86/ia32/tls32.c to arch/x86/kernel/tls.c, which does
nothing now but paves the way to consolidate this code for 32-bit too.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zachary Amsden <zach@vmware.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/ia32/Makefile
arch/x86/kernel/Makefile_64
arch/x86/kernel/tls.c [moved from arch/x86/ia32/tls32.c with 96% similarity]

index 8c19b76..ea60886 100644 (file)
@@ -2,7 +2,7 @@
 # Makefile for the ia32 kernel emulation subsystem.
 #
 
-obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \
+obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o \
        ia32_binfmt.o fpu32.o ptrace32.o
 
 sysv-$(CONFIG_SYSVIPC) := ipc32.o
index ae95d21..e1ba82e 100644 (file)
@@ -13,6 +13,7 @@ obj-y := process_64.o signal_64.o entry_64.o traps_64.o irq_64.o \
                pci-dma_64.o pci-nommu_64.o alternative.o hpet.o tsc_64.o bugs_64.o \
                i8253.o io_delay.o rtc.o
 
+obj-$(CONFIG_IA32_EMULATION)   += tls.o
 obj-$(CONFIG_STACKTRACE)       += stacktrace.o
 obj-y                          += cpu/
 obj-y                          += acpi/
similarity index 96%
rename from arch/x86/ia32/tls32.c
rename to arch/x86/kernel/tls.c
index cac4b26..5291596 100644 (file)
@@ -26,7 +26,7 @@ static int get_free_idx(void)
 
 /*
  * Set a given TLS descriptor:
- * When you want addresses > 32bit use arch_prctl() 
+ * When you want addresses > 32bit use arch_prctl()
  */
 int do_set_thread_area(struct thread_struct *t, struct user_desc __user *u_info)
 {
@@ -76,9 +76,9 @@ int do_set_thread_area(struct thread_struct *t, struct user_desc __user *u_info)
 }
 
 asmlinkage long sys32_set_thread_area(struct user_desc __user *u_info)
-{ 
-       return do_set_thread_area(&current->thread, u_info); 
-} 
+{
+       return do_set_thread_area(&current->thread, u_info);
+}
 
 
 /*
@@ -88,7 +88,7 @@ asmlinkage long sys32_set_thread_area(struct user_desc __user *u_info)
 #define GET_LIMIT(desc) ( \
        ((desc)->a & 0x0ffff) | \
         ((desc)->b & 0xf0000) )
-       
+
 #define GET_32BIT(desc)                (((desc)->b >> 22) & 1)
 #define GET_CONTENTS(desc)     (((desc)->b >> 10) & 3)
 #define GET_WRITABLE(desc)     (((desc)->b >>  9) & 1)
@@ -130,7 +130,7 @@ int do_get_thread_area(struct thread_struct *t, struct user_desc __user *u_info)
 asmlinkage long sys32_get_thread_area(struct user_desc __user *u_info)
 {
        return do_get_thread_area(&current->thread, u_info);
-} 
+}
 
 
 int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs)
@@ -139,17 +139,17 @@ int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs)
        struct user_desc info;
        struct user_desc __user *cp;
        int idx;
-       
+
        cp = (void __user *)childregs->rsi;
        if (copy_from_user(&info, cp, sizeof(info)))
                return -EFAULT;
        if (LDT_empty(&info))
                return -EINVAL;
-       
+
        idx = info.entry_number;
        if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
                return -EINVAL;
-       
+
        desc = (struct n_desc_struct *)(p->thread.tls_array) + idx - GDT_ENTRY_TLS_MIN;
        desc->a = LDT_entry_a(&info);
        desc->b = LDT_entry_b(&info);