The patch titled
Subject: x86: change percpu_read_stable() to this_cpu_read_stable()
has been removed from the -mm tree. Its filename was
x86-change-percpu_read_stable-to-this_cpu_read_stable.patch
This patch was dropped because an updated version will be merged
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Alex Shi <alex.shi@xxxxxxxxx>
Subject: x86: change percpu_read_stable() to this_cpu_read_stable()
It has no function change. It's a preparation for percpu_xxx serial
function change.
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/current.h | 2 +-
arch/x86/include/asm/fpu-internal.h | 2 +-
arch/x86/include/asm/percpu.h | 6 +++---
arch/x86/include/asm/thread_info.h | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff -puN arch/x86/include/asm/current.h~x86-change-percpu_read_stable-to-this_cpu_read_stable arch/x86/include/asm/current.h
--- a/arch/x86/include/asm/current.h~x86-change-percpu_read_stable-to-this_cpu_read_stable
+++ a/arch/x86/include/asm/current.h
@@ -11,7 +11,7 @@ DECLARE_PER_CPU(struct task_struct *, cu
static __always_inline struct task_struct *get_current(void)
{
- return percpu_read_stable(current_task);
+ return this_cpu_read_stable(current_task);
}
#define current get_current()
diff -puN arch/x86/include/asm/fpu-internal.h~x86-change-percpu_read_stable-to-this_cpu_read_stable arch/x86/include/asm/fpu-internal.h
--- a/arch/x86/include/asm/fpu-internal.h~x86-change-percpu_read_stable-to-this_cpu_read_stable
+++ a/arch/x86/include/asm/fpu-internal.h
@@ -344,7 +344,7 @@ typedef struct { int preload; } fpu_swit
*/
static inline int fpu_lazy_restore(struct task_struct *new, unsigned int cpu)
{
- return new == percpu_read_stable(fpu_owner_task) &&
+ return new == this_cpu_read_stable(fpu_owner_task) &&
cpu == new->thread.fpu.last_cpu;
}
diff -puN arch/x86/include/asm/percpu.h~x86-change-percpu_read_stable-to-this_cpu_read_stable arch/x86/include/asm/percpu.h
--- a/arch/x86/include/asm/percpu.h~x86-change-percpu_read_stable-to-this_cpu_read_stable
+++ a/arch/x86/include/asm/percpu.h
@@ -352,15 +352,15 @@ do { \
/*
* percpu_read() makes gcc load the percpu variable every time it is
- * accessed while percpu_read_stable() allows the value to be cached.
- * percpu_read_stable() is more efficient and can be used if its value
+ * accessed while this_cpu_read_stable() allows the value to be cached.
+ * this_cpu_read_stable() is more efficient and can be used if its value
* is guaranteed to be valid across cpus. The current users include
* get_current() and get_thread_info() both of which are actually
* per-thread variables implemented as per-cpu variables and thus
* stable for the duration of the respective task.
*/
#define percpu_read(var) percpu_from_op("mov", var, "m" (var))
-#define percpu_read_stable(var) percpu_from_op("mov", var, "p" (&(var)))
+#define this_cpu_read_stable(var) percpu_from_op("mov", var, "p" (&(var)))
#define percpu_write(var, val) percpu_to_op("mov", var, val)
#define percpu_add(var, val) percpu_add_op(var, val)
#define percpu_sub(var, val) percpu_add_op(var, -(val))
diff -puN arch/x86/include/asm/thread_info.h~x86-change-percpu_read_stable-to-this_cpu_read_stable arch/x86/include/asm/thread_info.h
--- a/arch/x86/include/asm/thread_info.h~x86-change-percpu_read_stable-to-this_cpu_read_stable
+++ a/arch/x86/include/asm/thread_info.h
@@ -224,7 +224,7 @@ DECLARE_PER_CPU(unsigned long, kernel_st
static inline struct thread_info *current_thread_info(void)
{
struct thread_info *ti;
- ti = (void *)(percpu_read_stable(kernel_stack) +
+ ti = (void *)(this_cpu_read_stable(kernel_stack) +
KERNEL_STACK_OFFSET - THREAD_SIZE);
return ti;
}
_
Patches currently in -mm which might be from alex.shi@xxxxxxxxx are
net-use-this_cpu_xxx-replace-percpu_xxx-funcs.patch
percpu-remove-percpu_xxx-functions.patch
mm-move-is_vma_temporary_stack-declaration-to-huge_mmh.patch
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