ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function...

cd74257b974d6d26442c97891c4d05772748b177
patched up GTS/BFS -- a feature we want to remove.
So revert it (by hand, due to conflict in sleep.h)
to prepare for GTS/BFS removal.

Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 95bf99d..1b8e5a0 100644 (file)
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -25,10 +25,6 @@ unsigned long acpi_realmode_flags;
 static char temp_stack[4096];
 #endif
 
-asmlinkage void acpi_enter_s3(void)
-{
-       acpi_enter_sleep_state(3, wake_sleep_flags);
-}
 /**
  * acpi_suspend_lowlevel - save kernel state
  *

diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
index 5653a57..67f59f8 100644 (file)
--- a/arch/x86/kernel/acpi/sleep.h
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -2,7 +2,6 @@
  *     Variables and functions used by the code in sleep.c
  */
 
-#include <linux/linkage.h>
 #include <asm/realmode.h>
 
 extern unsigned long saved_video_mode;
@@ -11,7 +10,6 @@ extern long saved_magic;
 extern int wakeup_pmode_return;
 
 extern u8 wake_sleep_flags;
-extern asmlinkage void acpi_enter_s3(void);
 
 extern unsigned long acpi_copy_wakeup_routine(unsigned long);
 extern void wakeup_long64(void);

diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index 7261083..13ab720 100644 (file)
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -74,7 +74,9 @@ restore_registers:
 ENTRY(do_suspend_lowlevel)
        call    save_processor_state
        call    save_registers
-       call    acpi_enter_s3
+       pushl   $3
+       call    acpi_enter_sleep_state
+       addl    $4, %esp
 
 #      In case of S3 failure, we'll emerge here.  Jump
 #      to ret_point to recover

diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 014d1d2..8ea5164 100644 (file)
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -71,7 +71,9 @@ ENTRY(do_suspend_lowlevel)
        movq    %rsi, saved_rsi
 
        addq    $8, %rsp
-       call    acpi_enter_s3
+       movl    $3, %edi
+       xorl    %eax, %eax
+       call    acpi_enter_sleep_state
        /* in case something went wrong, restore the machine status and go on */
        jmp     resume_point