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-rw-r--r--drivers/char/Kconfig4
-rw-r--r--drivers/char/agp/Kconfig2
-rw-r--r--drivers/char/drm/Kconfig2
-rw-r--r--drivers/char/drm/radeon_irq.c4
-rw-r--r--drivers/char/mem.c125
-rw-r--r--drivers/char/mspec.c2
-rw-r--r--drivers/char/vt.c13
-rw-r--r--drivers/char/vt_ioctl.c15
8 files changed, 44 insertions, 123 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index b391776e5bf..f6f8c03047f 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -896,10 +896,6 @@ config GPIO_TB0219
depends on TANBAC_TB022X
select GPIO_VR41XX
-source "drivers/char/agp/Kconfig"
-
-source "drivers/char/drm/Kconfig"
-
source "drivers/char/pcmcia/Kconfig"
config MWAVE
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index 713533d8a86..f22c253bc09 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -1,4 +1,4 @@
-config AGP
+menuconfig AGP
tristate "/dev/agpgart (AGP Support)"
depends on ALPHA || IA64 || PARISC || PPC || X86
depends on PCI
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig
index 0b7ffa5191c..ba3058dd39a 100644
--- a/drivers/char/drm/Kconfig
+++ b/drivers/char/drm/Kconfig
@@ -4,7 +4,7 @@
# This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
#
-config DRM
+menuconfig DRM
tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG
help
diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c
index f89e57665b6..2b2407ee490 100644
--- a/drivers/char/drm/radeon_irq.c
+++ b/drivers/char/drm/radeon_irq.c
@@ -144,8 +144,8 @@ static int radeon_wait_irq(struct drm_device * dev, int swi_nr)
return ret;
}
-int radeon_driver_vblank_do_wait(struct drm_device * dev, unsigned int *sequence,
- int crtc)
+static int radeon_driver_vblank_do_wait(struct drm_device * dev,
+ unsigned int *sequence, int crtc)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index bbee97ff355..64551ab6be0 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -625,65 +625,10 @@ static ssize_t splice_write_null(struct pipe_inode_info *pipe,struct file *out,
return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null);
}
-#ifdef CONFIG_MMU
-/*
- * For fun, we are using the MMU for this.
- */
-static inline size_t read_zero_pagealigned(char __user * buf, size_t size)
-{
- struct mm_struct *mm;
- struct vm_area_struct * vma;
- unsigned long addr=(unsigned long)buf;
-
- mm = current->mm;
- /* Oops, this was forgotten before. -ben */
- down_read(&mm->mmap_sem);
-
- /* For private mappings, just map in zero pages. */
- for (vma = find_vma(mm, addr); vma; vma = vma->vm_next) {
- unsigned long count;
-
- if (vma->vm_start > addr || (vma->vm_flags & VM_WRITE) == 0)
- goto out_up;
- if (vma->vm_flags & (VM_SHARED | VM_HUGETLB))
- break;
- count = vma->vm_end - addr;
- if (count > size)
- count = size;
-
- zap_page_range(vma, addr, count, NULL);
- if (zeromap_page_range(vma, addr, count, PAGE_COPY))
- break;
-
- size -= count;
- buf += count;
- addr += count;
- if (size == 0)
- goto out_up;
- }
-
- up_read(&mm->mmap_sem);
-
- /* The shared case is hard. Let's do the conventional zeroing. */
- do {
- unsigned long unwritten = clear_user(buf, PAGE_SIZE);
- if (unwritten)
- return size + unwritten - PAGE_SIZE;
- cond_resched();
- buf += PAGE_SIZE;
- size -= PAGE_SIZE;
- } while (size);
-
- return size;
-out_up:
- up_read(&mm->mmap_sem);
- return size;
-}
-
static ssize_t read_zero(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
- unsigned long left, unwritten, written = 0;
+ size_t written;
if (!count)
return 0;
@@ -691,69 +636,33 @@ static ssize_t read_zero(struct file * file, char __user * buf,
if (!access_ok(VERIFY_WRITE, buf, count))
return -EFAULT;
- left = count;
-
- /* do we want to be clever? Arbitrary cut-off */
- if (count >= PAGE_SIZE*4) {
- unsigned long partial;
+ written = 0;
+ while (count) {
+ unsigned long unwritten;
+ size_t chunk = count;
- /* How much left of the page? */
- partial = (PAGE_SIZE-1) & -(unsigned long) buf;
- unwritten = clear_user(buf, partial);
- written = partial - unwritten;
- if (unwritten)
- goto out;
- left -= partial;
- buf += partial;
- unwritten = read_zero_pagealigned(buf, left & PAGE_MASK);
- written += (left & PAGE_MASK) - unwritten;
+ if (chunk > PAGE_SIZE)
+ chunk = PAGE_SIZE; /* Just for latency reasons */
+ unwritten = clear_user(buf, chunk);
+ written += chunk - unwritten;
if (unwritten)
- goto out;
- buf += left & PAGE_MASK;
- left &= ~PAGE_MASK;
- }
- unwritten = clear_user(buf, left);
- written += left - unwritten;
-out:
- return written ? written : -EFAULT;
-}
-
-static int mmap_zero(struct file * file, struct vm_area_struct * vma)
-{
- int err;
-
- if (vma->vm_flags & VM_SHARED)
- return shmem_zero_setup(vma);
- err = zeromap_page_range(vma, vma->vm_start,
- vma->vm_end - vma->vm_start, vma->vm_page_prot);
- BUG_ON(err == -EEXIST);
- return err;
-}
-#else /* CONFIG_MMU */
-static ssize_t read_zero(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- size_t todo = count;
-
- while (todo) {
- size_t chunk = todo;
-
- if (chunk > 4096)
- chunk = 4096; /* Just for latency reasons */
- if (clear_user(buf, chunk))
- return -EFAULT;
+ break;
buf += chunk;
- todo -= chunk;
+ count -= chunk;
cond_resched();
}
- return count;
+ return written ? written : -EFAULT;
}
static int mmap_zero(struct file * file, struct vm_area_struct * vma)
{
+#ifndef CONFIG_MMU
return -ENOSYS;
+#endif
+ if (vma->vm_flags & VM_SHARED)
+ return shmem_zero_setup(vma);
+ return 0;
}
-#endif /* CONFIG_MMU */
static ssize_t write_full(struct file * file, const char __user * buf,
size_t count, loff_t *ppos)
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 04ac155d3a0..82f2e27dca7 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -362,7 +362,7 @@ mspec_init(void)
is_sn2 = 1;
if (is_shub2()) {
ret = -ENOMEM;
- for_each_online_node(nid) {
+ for_each_node_state(nid, N_ONLINE) {
int actual_nid;
int nasid;
unsigned long phys;
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index edb7002a321..0d56f8fc105 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -750,13 +750,15 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
return 0;
}
-static inline int resize_screen(struct vc_data *vc, int width, int height)
+static inline int resize_screen(struct vc_data *vc, int width, int height,
+ int user)
{
/* Resizes the resolution of the display adapater */
int err = 0;
if (vc->vc_mode != KD_GRAPHICS && vc->vc_sw->con_resize)
- err = vc->vc_sw->con_resize(vc, width, height);
+ err = vc->vc_sw->con_resize(vc, width, height, user);
+
return err;
}
@@ -772,7 +774,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
unsigned int old_cols, old_rows, old_row_size, old_screen_size;
unsigned int new_cols, new_rows, new_row_size, new_screen_size;
- unsigned int end;
+ unsigned int end, user;
unsigned short *newscreen;
WARN_CONSOLE_UNLOCKED();
@@ -780,6 +782,9 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
if (!vc)
return -ENXIO;
+ user = vc->vc_resize_user;
+ vc->vc_resize_user = 0;
+
if (cols > VC_RESIZE_MAXCOL || lines > VC_RESIZE_MAXROW)
return -EINVAL;
@@ -800,7 +805,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
old_row_size = vc->vc_size_row;
old_screen_size = vc->vc_screenbuf_size;
- err = resize_screen(vc, new_cols, new_rows);
+ err = resize_screen(vc, new_cols, new_rows, user);
if (err) {
kfree(newscreen);
return err;
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 7a61a2a9aaf..f69a8258095 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -847,14 +847,24 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
case VT_RESIZE:
{
struct vt_sizes __user *vtsizes = up;
+ struct vc_data *vc;
+
ushort ll,cc;
if (!perm)
return -EPERM;
if (get_user(ll, &vtsizes->v_rows) ||
get_user(cc, &vtsizes->v_cols))
return -EFAULT;
- for (i = 0; i < MAX_NR_CONSOLES; i++)
- vc_lock_resize(vc_cons[i].d, cc, ll);
+
+ for (i = 0; i < MAX_NR_CONSOLES; i++) {
+ vc = vc_cons[i].d;
+
+ if (vc) {
+ vc->vc_resize_user = 1;
+ vc_lock_resize(vc_cons[i].d, cc, ll);
+ }
+ }
+
return 0;
}
@@ -900,6 +910,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
vc_cons[i].d->vc_scan_lines = vlin;
if (clin)
vc_cons[i].d->vc_font.height = clin;
+ vc_cons[i].d->vc_resize_user = 1;
vc_resize(vc_cons[i].d, cc, ll);
release_console_sem();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 03:49:15 +0000