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-rw-r--r--include/asm-generic/io.h4
-rw-r--r--include/asm-generic/kvm_para.h5
-rw-r--r--include/asm-generic/mutex-dec.h10
-rw-r--r--include/asm-generic/mutex-null.h2
-rw-r--r--include/asm-generic/mutex-xchg.h10
-rw-r--r--include/asm-generic/pgtable.h4
-rw-r--r--include/asm-generic/tlb.h17
-rw-r--r--include/asm-generic/vmlinux.lds.h20
8 files changed, 23 insertions, 49 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index ac9da00e9f2c..d5afe96adba6 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -343,8 +343,12 @@ extern void ioport_unmap(void __iomem *p);
#endif /* CONFIG_GENERIC_IOMAP */
#endif /* CONFIG_HAS_IOPORT */
+#ifndef xlate_dev_kmem_ptr
#define xlate_dev_kmem_ptr(p) p
+#endif
+#ifndef xlate_dev_mem_ptr
#define xlate_dev_mem_ptr(p) __va(p)
+#endif
#ifdef CONFIG_VIRT_TO_BUS
#ifndef virt_to_bus
diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h
index 9d96605f160a..fa25becbdcaf 100644
--- a/include/asm-generic/kvm_para.h
+++ b/include/asm-generic/kvm_para.h
@@ -18,4 +18,9 @@ static inline unsigned int kvm_arch_para_features(void)
return 0;
}
+static inline bool kvm_para_available(void)
+{
+ return false;
+}
+
#endif
diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h
index f104af7cf437..d4f9fb4e53df 100644
--- a/include/asm-generic/mutex-dec.h
+++ b/include/asm-generic/mutex-dec.h
@@ -28,17 +28,15 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
* __mutex_fastpath_lock_retval - try to take the lock by moving the count
* from 1 to a 0 value
* @count: pointer of type atomic_t
- * @fail_fn: function to call if the original value was not 1
*
- * Change the count from 1 to a value lower than 1, and call <fail_fn> if
- * it wasn't 1 originally. This function returns 0 if the fastpath succeeds,
- * or anything the slow path function returns.
+ * Change the count from 1 to a value lower than 1. This function returns 0
+ * if the fastpath succeeds, or -1 otherwise.
*/
static inline int
-__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock_retval(atomic_t *count)
{
if (unlikely(atomic_dec_return(count) < 0))
- return fail_fn(count);
+ return -1;
return 0;
}
diff --git a/include/asm-generic/mutex-null.h b/include/asm-generic/mutex-null.h
index e1bbbc72b6a2..61069ed334e2 100644
--- a/include/asm-generic/mutex-null.h
+++ b/include/asm-generic/mutex-null.h
@@ -11,7 +11,7 @@
#define _ASM_GENERIC_MUTEX_NULL_H
#define __mutex_fastpath_lock(count, fail_fn) fail_fn(count)
-#define __mutex_fastpath_lock_retval(count, fail_fn) fail_fn(count)
+#define __mutex_fastpath_lock_retval(count) (-1)
#define __mutex_fastpath_unlock(count, fail_fn) fail_fn(count)
#define __mutex_fastpath_trylock(count, fail_fn) fail_fn(count)
#define __mutex_slowpath_needs_to_unlock() 1
diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index c04e0db8a2d6..f169ec064785 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -39,18 +39,16 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
* __mutex_fastpath_lock_retval - try to take the lock by moving the count
* from 1 to a 0 value
* @count: pointer of type atomic_t
- * @fail_fn: function to call if the original value was not 1
*
- * Change the count from 1 to a value lower than 1, and call <fail_fn> if it
- * wasn't 1 originally. This function returns 0 if the fastpath succeeds,
- * or anything the slow path function returns
+ * Change the count from 1 to a value lower than 1. This function returns 0
+ * if the fastpath succeeds, or -1 otherwise.
*/
static inline int
-__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock_retval(atomic_t *count)
{
if (unlikely(atomic_xchg(count, 0) != 1))
if (likely(atomic_xchg(count, -1) != 1))
- return fail_fn(count);
+ return -1;
return 0;
}
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index a59ff51b0166..b1836987d506 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -692,4 +692,8 @@ static inline pmd_t pmd_mknuma(pmd_t pmd)
#endif /* !__ASSEMBLY__ */
+#ifndef io_remap_pfn_range
+#define io_remap_pfn_range remap_pfn_range
+#endif
+
#endif /* _ASM_GENERIC_PGTABLE_H */
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index b1b1fa6ffffe..13821c339a41 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -97,11 +97,9 @@ struct mmu_gather {
unsigned long start;
unsigned long end;
unsigned int need_flush : 1, /* Did free PTEs */
- fast_mode : 1; /* No batching */
-
/* we are in the middle of an operation to clear
* a full mm and can make some optimizations */
- unsigned int fullmm : 1,
+ fullmm : 1,
/* we have performed an operation which
* requires a complete flush of the tlb */
need_flush_all : 1;
@@ -114,19 +112,6 @@ struct mmu_gather {
#define HAVE_GENERIC_MMU_GATHER
-static inline int tlb_fast_mode(struct mmu_gather *tlb)
-{
-#ifdef CONFIG_SMP
- return tlb->fast_mode;
-#else
- /*
- * For UP we don't need to worry about TLB flush
- * and page free order so much..
- */
- return 1;
-#endif
-}
-
void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm);
void tlb_flush_mmu(struct mmu_gather *tlb);
void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start,
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index eb58d2d7d971..4f2737208c42 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -68,14 +68,6 @@
* are handled as text/data or they can be discarded (which
* often happens at runtime)
*/
-#ifdef CONFIG_HOTPLUG
-#define DEV_KEEP(sec) *(.dev##sec)
-#define DEV_DISCARD(sec)
-#else
-#define DEV_KEEP(sec)
-#define DEV_DISCARD(sec) *(.dev##sec)
-#endif
-
#ifdef CONFIG_HOTPLUG_CPU
#define CPU_KEEP(sec) *(.cpu##sec)
#define CPU_DISCARD(sec)
@@ -182,8 +174,6 @@
*(.data) \
*(.ref.data) \
*(.data..shared_aligned) /* percpu related */ \
- DEV_KEEP(init.data) \
- DEV_KEEP(exit.data) \
CPU_KEEP(init.data) \
CPU_KEEP(exit.data) \
MEM_KEEP(init.data) \
@@ -372,8 +362,6 @@
/* __*init sections */ \
__init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
*(.ref.rodata) \
- DEV_KEEP(init.rodata) \
- DEV_KEEP(exit.rodata) \
CPU_KEEP(init.rodata) \
CPU_KEEP(exit.rodata) \
MEM_KEEP(init.rodata) \
@@ -416,8 +404,6 @@
*(.text.hot) \
*(.text) \
*(.ref.text) \
- DEV_KEEP(init.text) \
- DEV_KEEP(exit.text) \
CPU_KEEP(init.text) \
CPU_KEEP(exit.text) \
MEM_KEEP(init.text) \
@@ -503,7 +489,6 @@
/* init and exit section handling */
#define INIT_DATA \
*(.init.data) \
- DEV_DISCARD(init.data) \
CPU_DISCARD(init.data) \
MEM_DISCARD(init.data) \
KERNEL_CTORS() \
@@ -511,7 +496,6 @@
*(.init.rodata) \
FTRACE_EVENTS() \
TRACE_SYSCALLS() \
- DEV_DISCARD(init.rodata) \
CPU_DISCARD(init.rodata) \
MEM_DISCARD(init.rodata) \
CLK_OF_TABLES() \
@@ -521,14 +505,11 @@
#define INIT_TEXT \
*(.init.text) \
- DEV_DISCARD(init.text) \
CPU_DISCARD(init.text) \
MEM_DISCARD(init.text)
#define EXIT_DATA \
*(.exit.data) \
- DEV_DISCARD(exit.data) \
- DEV_DISCARD(exit.rodata) \
CPU_DISCARD(exit.data) \
CPU_DISCARD(exit.rodata) \
MEM_DISCARD(exit.data) \
@@ -536,7 +517,6 @@
#define EXIT_TEXT \
*(.exit.text) \
- DEV_DISCARD(exit.text) \
CPU_DISCARD(exit.text) \
MEM_DISCARD(exit.text)