No point in having this bit defined by architecture.
Signed-off-by: Thomas Gleixner <[email protected]>
---
arch/alpha/include/asm/thread_info.h | 2 --
arch/arc/include/asm/thread_info.h | 2 --
arch/arm/include/asm/thread_info.h | 6 ------
arch/arm64/include/asm/thread_info.h | 6 ------
arch/avr32/include/asm/thread_info.h | 2 --
arch/blackfin/include/asm/thread_info.h | 2 --
arch/c6x/include/asm/thread_info.h | 2 --
arch/cris/include/asm/thread_info.h | 2 --
arch/frv/include/asm/thread_info.h | 2 --
arch/h8300/include/asm/thread_info.h | 2 --
arch/hexagon/include/asm/thread_info.h | 4 ----
arch/ia64/include/asm/thread_info.h | 3 ---
arch/m32r/include/asm/thread_info.h | 2 --
arch/m68k/include/asm/thread_info.h | 2 --
arch/metag/include/asm/thread_info.h | 2 --
arch/microblaze/include/asm/thread_info.h | 2 --
arch/mips/include/asm/thread_info.h | 2 --
arch/mn10300/include/asm/thread_info.h | 2 --
arch/parisc/include/asm/thread_info.h | 3 ---
arch/powerpc/include/asm/thread_info.h | 2 --
arch/s390/include/asm/thread_info.h | 2 --
arch/score/include/asm/thread_info.h | 2 --
arch/sh/include/asm/thread_info.h | 2 --
arch/sh/kernel/entry-common.S | 6 ++----
arch/sparc/include/asm/thread_info_32.h | 2 --
arch/sparc/include/asm/thread_info_64.h | 2 --
arch/tile/include/asm/thread_info.h | 2 --
arch/um/include/asm/thread_info.h | 2 --
arch/unicore32/include/asm/thread_info.h | 6 ------
arch/x86/include/asm/thread_info.h | 2 --
arch/xtensa/include/asm/thread_info.h | 2 --
include/linux/preempt_mask.h | 15 +++++----------
32 files changed, 7 insertions(+), 90 deletions(-)
Index: linux-2.6/arch/alpha/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/alpha/include/asm/thread_info.h
+++ linux-2.6/arch/alpha/include/asm/thread_info.h
@@ -58,8 +58,6 @@ register struct thread_info *__current_t
#define THREAD_SIZE_ORDER 1
#define THREAD_SIZE (2*PAGE_SIZE)
-#define PREEMPT_ACTIVE 0x40000000
-
/*
* Thread information flags:
* - these are process state flags and used from assembly
Index: linux-2.6/arch/arc/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/arc/include/asm/thread_info.h
+++ linux-2.6/arch/arc/include/asm/thread_info.h
@@ -80,8 +80,6 @@ static inline __attribute_const__ struct
#endif /* !__ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flags
* - these are process state flags that various assembly files may need to
Index: linux-2.6/arch/arm/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/arm/include/asm/thread_info.h
+++ linux-2.6/arch/arm/include/asm/thread_info.h
@@ -141,12 +141,6 @@ extern int vfp_restore_user_hwstate(stru
#endif
/*
- * We use bit 30 of the preempt_count to indicate that kernel
- * preemption is occurring. See <asm/hardirq.h>.
- */
-#define PREEMPT_ACTIVE 0x40000000
-
-/*
* thread information flags:
* TIF_SYSCALL_TRACE - syscall trace active
* TIF_SYSCAL_AUDIT - syscall auditing active
Index: linux-2.6/arch/arm64/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/arm64/include/asm/thread_info.h
+++ linux-2.6/arch/arm64/include/asm/thread_info.h
@@ -89,12 +89,6 @@ static inline struct thread_info *curren
#endif
/*
- * We use bit 30 of the preempt_count to indicate that kernel
- * preemption is occurring. See <asm/hardirq.h>.
- */
-#define PREEMPT_ACTIVE 0x40000000
-
-/*
* thread information flags:
* TIF_SYSCALL_TRACE - syscall trace active
* TIF_SIGPENDING - signal pending
Index: linux-2.6/arch/avr32/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/avr32/include/asm/thread_info.h
+++ linux-2.6/arch/avr32/include/asm/thread_info.h
@@ -66,8 +66,6 @@ static inline struct thread_info *curren
#endif /* !__ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x40000000
-
/*
* Thread information flags
* - these are process state flags that various assembly files may need to
access
Index: linux-2.6/arch/blackfin/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/blackfin/include/asm/thread_info.h
+++ linux-2.6/arch/blackfin/include/asm/thread_info.h
@@ -88,8 +88,6 @@ static inline struct thread_info *curren
#define TI_CPU 12
#define TI_PREEMPT 16
-#define PREEMPT_ACTIVE 0x4000000
-
/*
* thread information flag bit numbers
*/
Index: linux-2.6/arch/c6x/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/c6x/include/asm/thread_info.h
+++ linux-2.6/arch/c6x/include/asm/thread_info.h
@@ -84,8 +84,6 @@ struct thread_info *current_thread_info(
#define put_thread_info(ti) put_task_struct((ti)->task)
#endif /* __ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flag bit numbers
* - pending work-to-be-done flags are in LSW
Index: linux-2.6/arch/cris/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/cris/include/asm/thread_info.h
+++ linux-2.6/arch/cris/include/asm/thread_info.h
@@ -44,8 +44,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* macros/functions for gaining access to the thread information structure
*/
Index: linux-2.6/arch/frv/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/frv/include/asm/thread_info.h
+++ linux-2.6/arch/frv/include/asm/thread_info.h
@@ -52,8 +52,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* macros/functions for gaining access to the thread information structure
*/
Index: linux-2.6/arch/h8300/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/h8300/include/asm/thread_info.h
+++ linux-2.6/arch/h8300/include/asm/thread_info.h
@@ -77,8 +77,6 @@ static inline struct thread_info *curren
#define TI_CPU 12
#define TI_PRE_COUNT 16
-#define PREEMPT_ACTIVE 0x4000000
-
/*
* thread information flag bit numbers
*/
Index: linux-2.6/arch/hexagon/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/hexagon/include/asm/thread_info.h
+++ linux-2.6/arch/hexagon/include/asm/thread_info.h
@@ -73,10 +73,6 @@ struct thread_info {
#endif /* __ASSEMBLY__ */
-/* looks like "linux/hardirq.h" uses this. */
-
-#define PREEMPT_ACTIVE 0x10000000
-
#ifndef __ASSEMBLY__
#define INIT_THREAD_INFO(tsk) \
Index: linux-2.6/arch/ia64/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/ia64/include/asm/thread_info.h
+++ linux-2.6/arch/ia64/include/asm/thread_info.h
@@ -11,9 +11,6 @@
#include <asm/processor.h>
#include <asm/ptrace.h>
-#define PREEMPT_ACTIVE_BIT 30
-#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT)
-
#ifndef __ASSEMBLY__
/*
Index: linux-2.6/arch/m32r/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/m32r/include/asm/thread_info.h
+++ linux-2.6/arch/m32r/include/asm/thread_info.h
@@ -53,8 +53,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
#define THREAD_SIZE (PAGE_SIZE << 1)
#define THREAD_SIZE_ORDER 1
/*
Index: linux-2.6/arch/m68k/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/m68k/include/asm/thread_info.h
+++ linux-2.6/arch/m68k/include/asm/thread_info.h
@@ -35,8 +35,6 @@ struct thread_info {
};
#endif /* __ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x4000000
-
#define INIT_THREAD_INFO(tsk) \
{ \
.task = &tsk, \
Index: linux-2.6/arch/metag/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/metag/include/asm/thread_info.h
+++ linux-2.6/arch/metag/include/asm/thread_info.h
@@ -46,8 +46,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
#ifdef CONFIG_4KSTACKS
#define THREAD_SHIFT 12
#else
Index: linux-2.6/arch/microblaze/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/microblaze/include/asm/thread_info.h
+++ linux-2.6/arch/microblaze/include/asm/thread_info.h
@@ -106,8 +106,6 @@ static inline struct thread_info *curren
/* thread information allocation */
#endif /* __ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flags
* - these are process state flags that various assembly files may
Index: linux-2.6/arch/mips/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/mips/include/asm/thread_info.h
+++ linux-2.6/arch/mips/include/asm/thread_info.h
@@ -92,8 +92,6 @@ static inline struct thread_info *curren
#define STACK_WARN (THREAD_SIZE / 8)
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flags
* - these are process state flags that various assembly files may need to
Index: linux-2.6/arch/mn10300/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/mn10300/include/asm/thread_info.h
+++ linux-2.6/arch/mn10300/include/asm/thread_info.h
@@ -16,8 +16,6 @@
#include <asm/page.h>
-#define PREEMPT_ACTIVE 0x10000000
-
#ifdef CONFIG_4KSTACKS
#define THREAD_SIZE (4096)
#define THREAD_SIZE_ORDER (0)
Index: linux-2.6/arch/parisc/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/parisc/include/asm/thread_info.h
+++ linux-2.6/arch/parisc/include/asm/thread_info.h
@@ -46,9 +46,6 @@ struct thread_info {
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define THREAD_SHIFT (PAGE_SHIFT + THREAD_SIZE_ORDER)
-#define PREEMPT_ACTIVE_BIT 28
-#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT)
-
/*
* thread information flags
*/
Index: linux-2.6/arch/powerpc/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/powerpc/include/asm/thread_info.h
+++ linux-2.6/arch/powerpc/include/asm/thread_info.h
@@ -82,8 +82,6 @@ static inline struct thread_info *curren
#endif /* __ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flag bit numbers
*/
Index: linux-2.6/arch/s390/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/s390/include/asm/thread_info.h
+++ linux-2.6/arch/s390/include/asm/thread_info.h
@@ -111,6 +111,4 @@ static inline struct thread_info *curren
#define is_32bit_task() (1)
#endif
-#define PREEMPT_ACTIVE 0x4000000
-
#endif /* _ASM_THREAD_INFO_H */
Index: linux-2.6/arch/score/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/score/include/asm/thread_info.h
+++ linux-2.6/arch/score/include/asm/thread_info.h
@@ -72,8 +72,6 @@ register struct thread_info *__current_t
#endif /* !__ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* thread information flags
* - these are process state flags that various assembly files may need to
Index: linux-2.6/arch/sh/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/sh/include/asm/thread_info.h
+++ linux-2.6/arch/sh/include/asm/thread_info.h
@@ -41,8 +41,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
#if defined(CONFIG_4KSTACKS)
#define THREAD_SHIFT 12
#else
Index: linux-2.6/arch/sh/kernel/entry-common.S
===================================================================
--- linux-2.6.orig/arch/sh/kernel/entry-common.S
+++ linux-2.6/arch/sh/kernel/entry-common.S
@@ -108,7 +108,7 @@ need_resched:
and #(0xf0>>1), r0 ! interrupts off (exception path)?
cmp/eq #(0xf0>>1), r0
bt noresched
- mov.l 3f, r0
+ mov.l 1f, r0
jsr @r0 ! call preempt_schedule_irq
nop
bra need_resched
@@ -119,9 +119,7 @@ noresched:
nop
.align 2
-1: .long PREEMPT_ACTIVE
-2: .long schedule
-3: .long preempt_schedule_irq
+1: .long preempt_schedule_irq
#endif
ENTRY(resume_userspace)
Index: linux-2.6/arch/sparc/include/asm/thread_info_32.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/thread_info_32.h
+++ linux-2.6/arch/sparc/include/asm/thread_info_32.h
@@ -105,8 +105,6 @@ register struct thread_info *current_thr
#define TI_W_SAVED 0x250
/* #define TI_RESTART_BLOCK 0x25n */ /* Nobody cares */
-#define PREEMPT_ACTIVE 0x4000000
-
/*
* thread information flag bit numbers
*/
Index: linux-2.6/arch/sparc/include/asm/thread_info_64.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/thread_info_64.h
+++ linux-2.6/arch/sparc/include/asm/thread_info_64.h
@@ -111,8 +111,6 @@ struct thread_info {
#define THREAD_SHIFT PAGE_SHIFT
#endif /* PAGE_SHIFT == 13 */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* macros/functions for gaining access to the thread information structure
*/
Index: linux-2.6/arch/tile/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/tile/include/asm/thread_info.h
+++ linux-2.6/arch/tile/include/asm/thread_info.h
@@ -113,8 +113,6 @@ extern void _cpu_idle(void);
#endif /* !__ASSEMBLY__ */
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* Thread information flags that various assembly files may need to access.
* Keep flags accessed frequently in low bits, particular since it makes
Index: linux-2.6/arch/um/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/um/include/asm/thread_info.h
+++ linux-2.6/arch/um/include/asm/thread_info.h
@@ -60,8 +60,6 @@ static inline struct thread_info *curren
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
#define TIF_SIGPENDING 1 /* signal pending */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
Index: linux-2.6/arch/unicore32/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/unicore32/include/asm/thread_info.h
+++ linux-2.6/arch/unicore32/include/asm/thread_info.h
@@ -118,12 +118,6 @@ static inline struct thread_info *curren
#endif
/*
- * We use bit 30 of the preempt_count to indicate that kernel
- * preemption is occurring. See <asm/hardirq.h>.
- */
-#define PREEMPT_ACTIVE 0x40000000
-
-/*
* thread information flags:
* TIF_SYSCALL_TRACE - syscall trace active
* TIF_SIGPENDING - signal pending
Index: linux-2.6/arch/x86/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/thread_info.h
+++ linux-2.6/arch/x86/include/asm/thread_info.h
@@ -154,8 +154,6 @@ struct thread_info {
#define _TIF_WORK_CTXSW_PREV (_TIF_WORK_CTXSW|_TIF_USER_RETURN_NOTIFY)
#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW)
-#define PREEMPT_ACTIVE 0x10000000
-
#ifdef CONFIG_X86_32
#define STACK_WARN (THREAD_SIZE/8)
Index: linux-2.6/arch/xtensa/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/xtensa/include/asm/thread_info.h
+++ linux-2.6/arch/xtensa/include/asm/thread_info.h
@@ -76,8 +76,6 @@ struct thread_info {
#endif
-#define PREEMPT_ACTIVE 0x10000000
-
/*
* macros/functions for gaining access to the thread information structure
*/
Index: linux-2.6/include/linux/preempt_mask.h
===================================================================
--- linux-2.6.orig/include/linux/preempt_mask.h
+++ linux-2.6/include/linux/preempt_mask.h
@@ -17,10 +17,11 @@
* there are a few palaeontologic drivers which reenable interrupts in
* the handler, so we need more than one bit here.
*
- * PREEMPT_MASK: 0x000000ff
- * SOFTIRQ_MASK: 0x0000ff00
- * HARDIRQ_MASK: 0x000f0000
- * NMI_MASK: 0x00100000
+ * PREEMPT_MASK: 0x000000ff
+ * SOFTIRQ_MASK: 0x0000ff00
+ * HARDIRQ_MASK: 0x000f0000
+ * NMI_MASK: 0x00100000
+ * PREEMPT_ACTIVE: 0x00200000
*/
#define PREEMPT_BITS 8
#define SOFTIRQ_BITS 8
@@ -46,15 +47,9 @@
#define SOFTIRQ_DISABLE_OFFSET (2 * SOFTIRQ_OFFSET)
-#ifndef PREEMPT_ACTIVE
#define PREEMPT_ACTIVE_BITS 1
#define PREEMPT_ACTIVE_SHIFT (NMI_SHIFT + NMI_BITS)
#define PREEMPT_ACTIVE (__IRQ_MASK(PREEMPT_ACTIVE_BITS) <<
PREEMPT_ACTIVE_SHIFT)
-#endif
-
-#if PREEMPT_ACTIVE < (1 << (NMI_SHIFT + NMI_BITS))
-#error PREEMPT_ACTIVE is too low!
-#endif
#define hardirq_count() (preempt_count() & HARDIRQ_MASK)
#define softirq_count() (preempt_count() & SOFTIRQ_MASK)
--
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