Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (156 commits)
  [PATCH] x86-64: Export smp_call_function_single
  [PATCH] i386: Clean up smp_tune_scheduling()
  [PATCH] unwinder: move .eh_frame to RODATA
  [PATCH] unwinder: fully support linker generated .eh_frame_hdr section
  [PATCH] x86-64: don't use set_irq_regs()
  [PATCH] x86-64: check vector in setup_ioapic_dest to verify if need setup_IO_APIC_irq
  [PATCH] x86-64: Make ix86 default to HIGHMEM4G instead of NOHIGHMEM
  [PATCH] i386: replace kmalloc+memset with kzalloc
  [PATCH] x86-64: remove remaining pc98 code
  [PATCH] x86-64: remove unused variable
  [PATCH] x86-64: Fix constraints in atomic_add_return()
  [PATCH] x86-64: fix asm constraints in i386 atomic_add_return
  [PATCH] x86-64: Correct documentation for bzImage protocol v2.05
  [PATCH] x86-64: replace kmalloc+memset with kzalloc in MTRR code
  [PATCH] x86-64: Fix numaq build error
  [PATCH] x86-64: include/asm-x86_64/cpufeature.h isn't a userspace header
  [PATCH] unwinder: Add debugging output to the Dwarf2 unwinder
  [PATCH] x86-64: Clarify error message in GART code
  [PATCH] x86-64: Fix interrupt race in idle callback (3rd try)
  [PATCH] x86-64: Remove unwind stack pointer alignment forcing again
  ...

Fixed conflict in include/linux/uaccess.h manually

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 30 deletions

diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 7d401b00d822..601d332c4b79 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -230,7 +230,6 @@ ENTRY(system_call)
         CFI_REL_OFFSET rip,RIP-ARGOFFSET
         GET_THREAD_INFO(%rcx)
         testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%rcx)
-        CFI_REMEMBER_STATE
         jnz tracesys
         cmpq $__NR_syscall_max,%rax
         ja badsys
@@ -241,7 +240,6 @@ ENTRY(system_call)
  * Syscall return path ending with SYSRET (fast path)
  * Has incomplete stack frame and undefined top of stack. 
  */             
-        .globl ret_from_sys_call
 ret_from_sys_call:
         movl $_TIF_ALLWORK_MASK,%edi
         /* edi: flagmask */
@@ -251,8 +249,8 @@ sysret_check:
         TRACE_IRQS_OFF
         movl threadinfo_flags(%rcx),%edx
         andl %edi,%edx
-        CFI_REMEMBER_STATE
         jnz  sysret_careful 
+        CFI_REMEMBER_STATE
         /*
          * sysretq will re-enable interrupts:
          */
@@ -265,10 +263,10 @@ sysret_check:
         swapgs
         sysretq
 
+        CFI_RESTORE_STATE
         /* Handle reschedules */
         /* edx: work, edi: workmask */  
 sysret_careful:
-        CFI_RESTORE_STATE
         bt $TIF_NEED_RESCHED,%edx
         jnc sysret_signal
         TRACE_IRQS_ON
@@ -306,7 +304,6 @@ badsys:
 
         /* Do syscall tracing */
 tracesys:                        
-        CFI_RESTORE_STATE
         SAVE_REST
         movq $-ENOSYS,RAX(%rsp)
         FIXUP_TOP_OF_STACK %rdi
@@ -322,32 +319,13 @@ tracesys:
         call *sys_call_table(,%rax,8)
 1:      movq %rax,RAX-ARGOFFSET(%rsp)
         /* Use IRET because user could have changed frame */
-        jmp int_ret_from_sys_call
-        CFI_ENDPROC
-END(system_call)
                 
 /* 
  * Syscall return path ending with IRET.
  * Has correct top of stack, but partial stack frame.
- */     
-ENTRY(int_ret_from_sys_call)
-        CFI_STARTPROC   simple
-        CFI_SIGNAL_FRAME
-        CFI_DEF_CFA     rsp,SS+8-ARGOFFSET
-        /*CFI_REL_OFFSET        ss,SS-ARGOFFSET*/
-        CFI_REL_OFFSET  rsp,RSP-ARGOFFSET
-        /*CFI_REL_OFFSET        rflags,EFLAGS-ARGOFFSET*/
-        /*CFI_REL_OFFSET        cs,CS-ARGOFFSET*/
-        CFI_REL_OFFSET  rip,RIP-ARGOFFSET
-        CFI_REL_OFFSET  rdx,RDX-ARGOFFSET
-        CFI_REL_OFFSET  rcx,RCX-ARGOFFSET
-        CFI_REL_OFFSET  rax,RAX-ARGOFFSET
-        CFI_REL_OFFSET  rdi,RDI-ARGOFFSET
-        CFI_REL_OFFSET  rsi,RSI-ARGOFFSET
-        CFI_REL_OFFSET  r8,R8-ARGOFFSET
-        CFI_REL_OFFSET  r9,R9-ARGOFFSET
-        CFI_REL_OFFSET  r10,R10-ARGOFFSET
-        CFI_REL_OFFSET  r11,R11-ARGOFFSET
+ */
+        .globl int_ret_from_sys_call
+int_ret_from_sys_call:
         cli
         TRACE_IRQS_OFF
         testl $3,CS-ARGOFFSET(%rsp)
@@ -394,8 +372,6 @@ int_very_careful:
         popq %rdi
         CFI_ADJUST_CFA_OFFSET -8
         andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
-        cli
-        TRACE_IRQS_OFF
         jmp int_restore_rest
         
 int_signal:
@@ -411,7 +387,7 @@ int_restore_rest:
         TRACE_IRQS_OFF
         jmp int_with_check
         CFI_ENDPROC
-END(int_ret_from_sys_call)
+END(system_call)
                 
 /* 
  * Certain special system calls that need to save a complete full stack frame.