From: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
To: mhiramat@kernel.org, oleg@redhat.com, peterz@infradead.org,
srikar@linux.vnet.ibm.com, rostedt@goodmis.org
Cc: acme@kernel.org, ananth@linux.vnet.ibm.com,
akpm@linux-foundation.org, alexander.shishkin@linux.intel.com,
alexis.berlemont@gmail.com, corbet@lwn.net,
dan.j.williams@intel.com, jolsa@redhat.com, kan.liang@intel.com,
kjlx@templeofstupid.com, kstewart@linuxfoundation.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, milian.wolff@kdab.com, mingo@redhat.com,
namhyung@kernel.org, naveen.n.rao@linux.vnet.ibm.com,
pc@us.ibm.com, tglx@linutronix.de, yao.jin@linux.intel.com,
fengguang.wu@intel.com, jglisse@redhat.com,
Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Subject: [PATCH v3 2/9] mm: Prefix vma_ to vaddr_to_offset() and offset_to_vaddr()
Date: Tue, 17 Apr 2018 10:02:37 +0530 [thread overview]
Message-ID: <20180417043244.7501-3-ravi.bangoria@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180417043244.7501-1-ravi.bangoria@linux.vnet.ibm.com>
From: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Make function names more meaningful by adding vma_ prefix
to them.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
---
include/linux/mm.h | 4 ++--
kernel/events/uprobes.c | 14 +++++++-------
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index de0cc08..47fd8a9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2273,13 +2273,13 @@ struct vm_unmapped_area_info {
}
static inline unsigned long
-offset_to_vaddr(struct vm_area_struct *vma, loff_t offset)
+vma_offset_to_vaddr(struct vm_area_struct *vma, loff_t offset)
{
return vma->vm_start + offset - ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
}
static inline loff_t
-vaddr_to_offset(struct vm_area_struct *vma, unsigned long vaddr)
+vma_vaddr_to_offset(struct vm_area_struct *vma, unsigned long vaddr)
{
return ((loff_t)vma->vm_pgoff << PAGE_SHIFT) + (vaddr - vma->vm_start);
}
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index bd6f230..535fd39 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -748,7 +748,7 @@ static inline struct map_info *free_map_info(struct map_info *info)
curr = info;
info->mm = vma->vm_mm;
- info->vaddr = offset_to_vaddr(vma, offset);
+ info->vaddr = vma_offset_to_vaddr(vma, offset);
}
i_mmap_unlock_read(mapping);
@@ -807,7 +807,7 @@ static inline struct map_info *free_map_info(struct map_info *info)
goto unlock;
if (vma->vm_start > info->vaddr ||
- vaddr_to_offset(vma, info->vaddr) != uprobe->offset)
+ vma_vaddr_to_offset(vma, info->vaddr) != uprobe->offset)
goto unlock;
if (is_register) {
@@ -977,7 +977,7 @@ static int unapply_uprobe(struct uprobe *uprobe, struct mm_struct *mm)
uprobe->offset >= offset + vma->vm_end - vma->vm_start)
continue;
- vaddr = offset_to_vaddr(vma, uprobe->offset);
+ vaddr = vma_offset_to_vaddr(vma, uprobe->offset);
err |= remove_breakpoint(uprobe, mm, vaddr);
}
up_read(&mm->mmap_sem);
@@ -1023,7 +1023,7 @@ static void build_probe_list(struct inode *inode,
struct uprobe *u;
INIT_LIST_HEAD(head);
- min = vaddr_to_offset(vma, start);
+ min = vma_vaddr_to_offset(vma, start);
max = min + (end - start) - 1;
spin_lock(&uprobes_treelock);
@@ -1076,7 +1076,7 @@ int uprobe_mmap(struct vm_area_struct *vma)
list_for_each_entry_safe(uprobe, u, &tmp_list, pending_list) {
if (!fatal_signal_pending(current) &&
filter_chain(uprobe, UPROBE_FILTER_MMAP, vma->vm_mm)) {
- unsigned long vaddr = offset_to_vaddr(vma, uprobe->offset);
+ unsigned long vaddr = vma_offset_to_vaddr(vma, uprobe->offset);
install_breakpoint(uprobe, vma->vm_mm, vma, vaddr);
}
put_uprobe(uprobe);
@@ -1095,7 +1095,7 @@ int uprobe_mmap(struct vm_area_struct *vma)
inode = file_inode(vma->vm_file);
- min = vaddr_to_offset(vma, start);
+ min = vma_vaddr_to_offset(vma, start);
max = min + (end - start) - 1;
spin_lock(&uprobes_treelock);
@@ -1730,7 +1730,7 @@ static struct uprobe *find_active_uprobe(unsigned long bp_vaddr, int *is_swbp)
if (vma && vma->vm_start <= bp_vaddr) {
if (valid_vma(vma, false)) {
struct inode *inode = file_inode(vma->vm_file);
- loff_t offset = vaddr_to_offset(vma, bp_vaddr);
+ loff_t offset = vma_vaddr_to_offset(vma, bp_vaddr);
uprobe = find_uprobe(inode, offset);
}
--
1.8.3.1
--
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next prev parent reply other threads:[~2018-04-17 4:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 4:32 [PATCH v3 0/9] trace_uprobe: Support SDT markers having reference count (semaphore) Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 1/9] Uprobe: Export vaddr <-> offset conversion functions Ravi Bangoria
2018-04-17 4:32 ` Ravi Bangoria [this message]
2018-05-03 14:59 ` [PATCH v3 2/9] mm: Prefix vma_ to vaddr_to_offset() and offset_to_vaddr() Steven Rostedt
2018-04-17 4:32 ` [PATCH v3 3/9] Uprobe: Move mmput() into free_map_info() Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 4/9] Uprobe: Rename map_info to uprobe_map_info Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 5/9] Uprobe: Export uprobe_map_info along with uprobe_{build/free}_map_info() Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 6/9] trace_uprobe: Support SDT markers having reference count (semaphore) Ravi Bangoria
2018-05-04 4:48 ` Masami Hiramatsu
2018-05-04 14:21 ` Ravi Bangoria
2018-05-07 8:21 ` Ravi Bangoria
2018-05-07 15:56 ` Masami Hiramatsu
2018-05-08 9:46 ` Naveen N. Rao
2018-05-08 10:26 ` Ravi Bangoria
2018-05-24 16:26 ` Oleg Nesterov
2018-05-25 8:28 ` Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 7/9] trace_uprobe/sdt: Fix multiple update of same reference counter Ravi Bangoria
2018-04-17 4:32 ` [PATCH v3 8/9] trace_uprobe/sdt: Document about " Ravi Bangoria
2018-05-03 14:57 ` Masami Hiramatsu
2018-04-17 4:32 ` [PATCH v3 9/9] perf probe: Support SDT markers having reference counter (semaphore) Ravi Bangoria
2018-05-03 14:57 ` Masami Hiramatsu
2018-05-03 8:32 ` [PATCH v3 0/9] trace_uprobe: Support SDT markers having reference count (semaphore) Ravi Bangoria
2018-05-04 14:30 ` Oleg Nesterov
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