Make all the drm_vma_entry handling local to drm_vm.c and hide it from
global headers. This requires to extract the inlined legacy drm_vma_entry
cleanup into a small helper and also move a weirdly placed drm_vma_info
helper into drm_vm.c.
Signed-off-by: David Herrmann <dh.herrmann at gmail.com>
---
drivers/gpu/drm/drm_fops.c | 10 +-----
drivers/gpu/drm/drm_info.c | 59 -----------------------------------
drivers/gpu/drm/drm_vm.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++
include/drm/drmP.h | 8 ++---
4 files changed, 79 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 6dbbb0f..12e6a1c 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -330,8 +330,6 @@ static void drm_legacy_dev_reinit(struct drm_device *dev)
*/
int drm_lastclose(struct drm_device * dev)
{
- struct drm_vma_entry *vma, *vma_temp;
-
DRM_DEBUG("\n");
if (dev->driver->lastclose)
@@ -346,13 +344,7 @@ int drm_lastclose(struct drm_device * dev)
drm_agp_clear(dev);
drm_legacy_sg_cleanup(dev);
-
- /* Clear vma list (only built for debugging) */
- list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
- list_del(&vma->head);
- kfree(vma);
- }
-
+ drm_legacy_vma_flush(dev);
drm_legacy_dma_takedown(dev);
mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index ecaf0fa..3c99f6f 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -223,62 +223,3 @@ int drm_gem_name_info(struct seq_file *m, void *data)
return 0;
}
-
-#if DRM_DEBUG_CODE
-
-int drm_vma_info(struct seq_file *m, void *data)
-{
- struct drm_info_node *node = (struct drm_info_node *) m->private;
- struct drm_device *dev = node->minor->dev;
- struct drm_vma_entry *pt;
- struct vm_area_struct *vma;
- unsigned long vma_count = 0;
-#if defined(__i386__)
- unsigned int pgprot;
-#endif
-
- mutex_lock(&dev->struct_mutex);
- list_for_each_entry(pt, &dev->vmalist, head)
- vma_count++;
-
- seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
- vma_count, high_memory,
- (void *)(unsigned long)virt_to_phys(high_memory));
-
- list_for_each_entry(pt, &dev->vmalist, head) {
- vma = pt->vma;
- if (!vma)
- continue;
- seq_printf(m,
- "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
- pt->pid,
- (void *)vma->vm_start, (void *)vma->vm_end,
- vma->vm_flags & VM_READ ? 'r' : '-',
- vma->vm_flags & VM_WRITE ? 'w' : '-',
- vma->vm_flags & VM_EXEC ? 'x' : '-',
- vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
- vma->vm_pgoff);
-
-#if defined(__i386__)
- pgprot = pgprot_val(vma->vm_page_prot);
- seq_printf(m, " %c%c%c%c%c%c%c%c%c",
- pgprot & _PAGE_PRESENT ? 'p' : '-',
- pgprot & _PAGE_RW ? 'w' : 'r',
- pgprot & _PAGE_USER ? 'u' : 's',
- pgprot & _PAGE_PWT ? 't' : 'b',
- pgprot & _PAGE_PCD ? 'u' : 'c',
- pgprot & _PAGE_ACCESSED ? 'a' : '-',
- pgprot & _PAGE_DIRTY ? 'd' : '-',
- pgprot & _PAGE_PSE ? 'm' : 'k',
- pgprot & _PAGE_GLOBAL ? 'g' : 'l');
-#endif
- seq_printf(m, "\n");
- }
- mutex_unlock(&dev->struct_mutex);
- return 0;
-}
-
-#endif
-
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 24e045c..352e339 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -35,11 +35,18 @@
#include <drm/drmP.h>
#include <linux/export.h>
+#include <linux/seq_file.h>
#if defined(__ia64__)
#include <linux/efi.h>
#include <linux/slab.h>
#endif
+struct drm_vma_entry {
+ struct list_head head;
+ struct vm_area_struct *vma;
+ pid_t pid;
+};
+
static void drm_vm_open(struct vm_area_struct *vma);
static void drm_vm_close(struct vm_area_struct *vma);
@@ -662,3 +669,72 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
return ret;
}
EXPORT_SYMBOL(drm_mmap);
+
+void drm_legacy_vma_flush(struct drm_device *dev)
+{
+ struct drm_vma_entry *vma, *vma_temp;
+
+ /* Clear vma list (only needed for legacy drivers) */
+ list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
+ list_del(&vma->head);
+ kfree(vma);
+ }
+}
+
+#if DRM_DEBUG_CODE
+
+int drm_vma_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_vma_entry *pt;
+ struct vm_area_struct *vma;
+ unsigned long vma_count = 0;
+#if defined(__i386__)
+ unsigned int pgprot;
+#endif
+
+ mutex_lock(&dev->struct_mutex);
+ list_for_each_entry(pt, &dev->vmalist, head)
+ vma_count++;
+
+ seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
+ vma_count, high_memory,
+ (void *)(unsigned long)virt_to_phys(high_memory));
+
+ list_for_each_entry(pt, &dev->vmalist, head) {
+ vma = pt->vma;
+ if (!vma)
+ continue;
+ seq_printf(m,
+ "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
+ pt->pid,
+ (void *)vma->vm_start, (void *)vma->vm_end,
+ vma->vm_flags & VM_READ ? 'r' : '-',
+ vma->vm_flags & VM_WRITE ? 'w' : '-',
+ vma->vm_flags & VM_EXEC ? 'x' : '-',
+ vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+ vma->vm_flags & VM_LOCKED ? 'l' : '-',
+ vma->vm_flags & VM_IO ? 'i' : '-',
+ vma->vm_pgoff);
+
+#if defined(__i386__)
+ pgprot = pgprot_val(vma->vm_page_prot);
+ seq_printf(m, " %c%c%c%c%c%c%c%c%c",
+ pgprot & _PAGE_PRESENT ? 'p' : '-',
+ pgprot & _PAGE_RW ? 'w' : 'r',
+ pgprot & _PAGE_USER ? 'u' : 's',
+ pgprot & _PAGE_PWT ? 't' : 'b',
+ pgprot & _PAGE_PCD ? 'u' : 'c',
+ pgprot & _PAGE_ACCESSED ? 'a' : '-',
+ pgprot & _PAGE_DIRTY ? 'd' : '-',
+ pgprot & _PAGE_PSE ? 'm' : 'k',
+ pgprot & _PAGE_GLOBAL ? 'g' : 'l');
+#endif
+ seq_printf(m, "\n");
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+#endif
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index cea7911..11c3575 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -296,12 +296,6 @@ struct drm_magic_entry {
struct drm_file *priv;
};
-struct drm_vma_entry {
- struct list_head head;
- struct vm_area_struct *vma;
- pid_t pid;
-};
-
/**
* DMA buffer.
*/
@@ -1449,6 +1443,8 @@ struct drm_local_map *drm_legacy_getsarea(struct
drm_device *dev);
int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
+void drm_legacy_vma_flush(struct drm_device *d);
+
/* sysfs support (drm_sysfs.c) */
struct drm_sysfs_class;
extern struct class *drm_sysfs_create(struct module *owner, char *name);
--
2.1.0
