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Subject[PATCH v2 resend 05/12] mm: arch: rename in_gate_area_no_task to in_gate_area_no_mm
Date
Now that gate vma's are referenced with respect to a particular mm and not a
particular task it only makes sense to propagate the change to this predicate as
well.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: Michel Lespinasse <walken@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
---
arch/powerpc/kernel/vdso.c | 2 +-
arch/s390/kernel/vdso.c | 2 +-
arch/sh/kernel/vsyscall/vsyscall.c | 2 +-
arch/x86/mm/init_64.c | 8 ++++----
arch/x86/vdso/vdso32-setup.c | 2 +-
include/linux/mm.h | 6 +++---
kernel/kallsyms.c | 4 ++--
mm/memory.c | 2 +-
mm/nommu.c | 2 +-
9 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 467aa9e..142ab10 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -820,7 +820,7 @@ static int __init vdso_init(void)
}
arch_initcall(vdso_init);

-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
return 0;
}
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 9006e96..d73630b 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -337,7 +337,7 @@ static int __init vdso_init(void)
}
arch_initcall(vdso_init);

-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
return 0;
}
diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c
index 62c36a8..1d6d51a 100644
--- a/arch/sh/kernel/vsyscall/vsyscall.c
+++ b/arch/sh/kernel/vsyscall/vsyscall.c
@@ -104,7 +104,7 @@ int in_gate_area(struct mm_struct *mm, unsigned long address)
return 0;
}

-int in_gate_area_no_task(unsigned long address)
+int in_gate_area_no_mm(unsigned long address)
{
return 0;
}
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 4deb881..560113c 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -890,11 +890,11 @@ int in_gate_area(struct mm_struct *mm, unsigned long addr)
}

/*
- * Use this when you have no reliable task/vma, typically from interrupt
- * context. It is less reliable than using the task's vma and may give
- * false positives:
+ * Use this when you have no reliable mm, typically from interrupt
+ * context. It is less reliable than using a task's mm and may give
+ * false positives.
*/
-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
return (addr >= VSYSCALL_START) && (addr < VSYSCALL_END);
}
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index f849bb2..468d591 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -435,7 +435,7 @@ int in_gate_area(struct mm_struct *mm, unsigned long addr)
return vma && addr >= vma->vm_start && addr < vma->vm_end;
}

-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
return 0;
}
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c700bbb..694512d 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1570,11 +1570,11 @@ static inline bool kernel_page_present(struct page *page) { return true; }

extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);
#ifdef __HAVE_ARCH_GATE_AREA
-int in_gate_area_no_task(unsigned long addr);
+int in_gate_area_no_mm(unsigned long addr);
int in_gate_area(struct mm_struct *mm, unsigned long addr);
#else
-int in_gate_area_no_task(unsigned long addr);
-#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_task(addr);})
+int in_gate_area_no_mm(unsigned long addr);
+#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})
#endif /* __HAVE_ARCH_GATE_AREA */

int drop_caches_sysctl_handler(struct ctl_table *, int,
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 6f6d091..b9d0fd1 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -64,14 +64,14 @@ static inline int is_kernel_text(unsigned long addr)
if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) ||
arch_is_kernel_text(addr))
return 1;
- return in_gate_area_no_task(addr);
+ return in_gate_area_no_mm(addr);
}

static inline int is_kernel(unsigned long addr)
{
if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
return 1;
- return in_gate_area_no_task(addr);
+ return in_gate_area_no_mm(addr);
}

static int is_ksym_addr(unsigned long addr)
diff --git a/mm/memory.c b/mm/memory.c
index d1347ac..3863e86 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3448,7 +3448,7 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
#endif
}

-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
#ifdef AT_SYSINFO_EHDR
if ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))
diff --git a/mm/nommu.c b/mm/nommu.c
index f59e142..e629143 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1963,7 +1963,7 @@ error:
return -ENOMEM;
}

-int in_gate_area_no_task(unsigned long addr)
+int in_gate_area_no_mm(unsigned long addr)
{
return 0;
}
--
1.7.3.5


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