- 12 Nov, 2004 3 commits
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Dave Airlie authored
This removes the inter module stuff between the DRM and AGP. Signed-off-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored
fixup DRM/AGP Kconfig inter-dependency... From: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored
In file included from drivers/char/drm/drmP.h:795, from drivers/char/drm/drm_dma.c:36: drivers/char/drm/drm_memory.h: In function `drm_ioremapfree': drivers/char/drm/drm_memory.h:191: warning: implicit declaration of function `vunmap' Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dave Airlie <airlied@linux.ie>
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- 11 Nov, 2004 1 commit
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Dave Airlie authored
This moves the ati_pcigart code into the drm core. From: Jon Smirl <jonsmirl@gmail.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
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- 06 Nov, 2004 1 commit
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Dave Airlie authored
with these unstatic uninline the kernel wouldn't build with both configured. Signed-off-by: Dave Airlie <airlied@linux.ie>
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- 05 Nov, 2004 2 commits
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Dave Airlie authored
This change moves some functions into different C files to align things a bit more correctly... From: Jon Smirl <jonsmirl@gmail.com> Approved-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored
move the drm file operations into the driver. From: Jon Smirl <jonsmirl@gmail.com> Approved-by: Dave Airlie <airlied@linux.ie>
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- 03 Nov, 2004 5 commits
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bk://drm@drm.bkbits.net/drm-2.6Dave Airlie authored
into starflyer.(none):/home/airlied/bitkeeper/drm-test
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Dave Airlie authored
into starflyer.(none):/home/airlied/bitkeeper/drm-test
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Dave Airlie authored
This renames the drm_driver_fn to drm_driver and fn_tbl to driver, this name is makes much more sense now. From: Jon Smirl <jonsmirl@gmail.com> and Dave Airlie <airlied@linux.ie> Signed-off-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored
Add drm_memory.c to build. Signed-off-by: Dave Airlie <airlied@linux.ie>
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Dave Airlie authored
This changeset gets rid of the DRM() macros and implements a core DRM module linked to a per graphics card personality module.. Remove old 2.4 module parameters and switch to 2.6 module parameters From: Jon Smirl <jonsmirl@gmail.com> and Dave Airlie <airlied@linux.ie> Signed-off-by: Dave Airlie <airlied@linux.ie>
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- 01 Nov, 2004 28 commits
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David Airlie authored
into bkbits.net:/repos/d/drm/drm-2.6
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Matthew Wilcox authored
Remove isr verification printf. This is not needed, and was never needed, we always have access to the page if we made it past the security check in traps.c Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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Matthew Wilcox authored
There is no pure assembly inline syscall for userspace to include. Thus remove the definitions of K_STW_PIC and K_LDW_PIC. Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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Matthew Wilcox authored
Need a _raw_write_trylock() for the out of line spinlock code to compile ... nothing in the kernel actually uses this, of course ... Committed-by: James Bottomley <jejb@parisc-linux.org>
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Matthew Wilcox authored
We need to include asm-generic/uaccess.h for the new get/put_unaligned macros Committed-by: James Bottomley <jejb@parisc-linux.org>
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Matthew Wilcox authored
Signal race fixes Committed-by: Carlos O'Donell <carlos@parisc-linux.org> Committed-by: James Bottomley <jejb@parisc-linux.org>
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Matthew Wilcox authored
Make ptrace work again someone (not naming names) forgot that %cr30 is the *thread* register not the task register. Committed-by: James Bottomley <jejb@parisc-linux.org>
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Matthew Wilcox authored
In parisc_terminate(), do the stack trace from the faulting location instead of from the current (i.e. parisc_terminate()) location. Committed-by: Randolph Chung <tausq@parisc-linux.org>
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Matthew Wilcox authored
add copyright for knaresh - he did initial work for pa8800 support on 2.4 Committed-by: Grant Grundler <grundler@parisc-linux.org>
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Dave Airlie authored
into starflyer.(none):/home/airlied/bitkeeper/drm-test
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Dave Airlie authored
into starflyer.(none):/home/airlied/bitkeeper/drm-test
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Christoph Lameter authored
- fix broken IBM cyclone time interpolator support - add support for cyclic timers through an addition of a mask in the timer interpolator structure - Allow time_interpolator_update() and time_interpolator_get_offset() to be invoked without an active time interpolator (necessary since the cyclone clock is initialized late in ACPI processing) - remove obsolete function time_interpolator_resolution() - add a mask to all struct time_interpolator setups in the kernel - Make time interpolators work on 32bit platforms Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Kay Sievers authored
Move hotplug_path[] out of kmod.[ch] to kobject_uevent.[ch] where it belongs now. At some time in the future we should fix the remaining bad hotplug calls (no SEQNUM, no netlink uevent): ./drivers/input/input.c (no DEVPATH on some hotplug events!) ./drivers/pnp/pnpbios/core.c ./drivers/s390/crypto/z90main.c Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Dmitry Torokhov authored
Driver core: when binding device to a driver create "driver" symlink in device's directory. Rename serio's "driver" attribute to "drvctl" (write-only) Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Kay Sievers authored
On Sat, Oct 30, 2004 at 04:54:29AM +0200, Kay Sievers wrote: > On Sat, Oct 30, 2004 at 02:25:23AM +0200, Kay Sievers wrote: > > On Sat, Oct 30, 2004 at 02:00:45AM +0200, Kay Sievers wrote: > > > On Fri, Oct 29, 2004 at 06:13:19PM -0500, Greg KH wrote: > > > > On Fri, Oct 29, 2004 at 11:28:56PM +0200, Kay Sievers wrote: > > > > > > But there might still be a problem. With this change, the sequence > > > > > > number is not sent out the kevent message. Kay, do you think this is an > > > > > > issue? I don't think we can get netlink messages out of order, right? > > > > > > > > > > Right, especially not the events with the same DEVPATH, like "remove" > > > > > beating an "add". But I'm not sure if the number isn't useful. Whatever > > > > > we may do with the hotplug over netlink in the future, we will only have > > > > > /sbin/hotplug for the early boot and it may be nice to know, what events > > > > > we have already handled... > > > > > > > > > > > I'll hold off on applying this patch until we figure this out... > > > > > > > > > > How about just reserving 20 bytes for the number (u64 will never be > > > > > more than that), save the pointer to that field, and fill the number in > > > > > later? > > > > > > > > Ah, something like this instead? I like it, it's even smaller than the > > > > previous patch. Compile tested only... > > > > > > I like that. How about the following. It will keep the buffer clean from > > > random chars, cause the kevent does not have the vector and relies on > > > the '\0' to separate the strings from each other. > > > I've tested it. The netlink-hotplug message looks like this: > > > > > > recv(3, "remove@/class/input/mouse2\0ACTION=remove\0DEVPATH=/class/input/mouse2\0SUBSYSTEM=input\0SEQNUM=961 \0", 1024, 0) = 113 > > > > Hmm, these trailing spaces are just bad, sorry. I'll better pass the > > envp array over to send_uevent() and clean up the keys while copying > > the env values into the skb buffer. This will make the event payload > > more safe too. So your first version looks better. > > How about this? We copy over key by key into the skb buffer and the > netlink message can get the envp array without depending on a single > continuous buffer. > > The netlink message looks nice like this now: > > recv(3, " > add@/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0\0 > HOME=/\0 > PATH=/sbin:/bin:/usr/sbin:/usr/bin\0 > ACTION=add\0 > DEVPATH=/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0\0 > SUBSYSTEM=usb\0 > SEQNUM=991\0 > DEVICE=/proc/bus/usb/003/008\0 > PRODUCT=46d/c03e/2000\0 > TYPE=0/0/0\0 > INTERFACE=3/1/2\0 > ", 1024, 0) = 268 Here is an improved version that uses skb_put() to fill the skb buffer, instead of trimming the buffer to the final size after we've copied over all keys. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Dmitry Torokhov authored
Driver core: rename bus_match into driver_probe_device and export it so subsystems can bind an individual device to a specific driver without getting involved with driver core internals. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Dmitry Torokhov authored
Driver core: make device_attach() global and export it and driver_attach() so subsystems can have finer control over binding process. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Paul Mackerras <paulus@samba.org> Currently the device_pm_foo() functions are rather prone to deadlocks during suspend/resume. This is because the dpm_sem is held for the duration of device_suspend() and device_resume() as well as device_pm_add() and device_pm_remove(). If for any reason you get a device addition or removal triggered by a device's suspend or resume code, you get a deadlock. (The classic example is a USB host adaptor resuming and discovering that the mouse you used to have plugged in has gone away.) This patch fixes the problem by using a separate semaphore, called dpm_list_sem, to cover the places where we need the device pm lists to be stable, and by being careful about how we traverse the lists on suspend and resume. I have analysed the various cases that can occur and I am confident that I have handled them all correctly. I posted this patch together with a detailed analysis 10 days ago. Signed-off-by Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Simon Derr <Simon.Derr@bull.net> Add a `needs_read_fill' field in sysfs_buffer so that reading after a write in a sysfs file returns valid data. (instead of the data that have been written, that may be invalid or at the wrong offset) Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Simon Derr <Simon.Derr@bull.net> - fixes the race between threads by adding a semaphore in sysfs_buffer - allocates the buffer upon call to pread(). We still call again fill_read_buffer() if the file is "rewinded" to offset zero. - fixes the comparison in flush_read_buffer(). Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> o This patch stops the pinning of non-directory or leaf dentries and inodes. The leaf dentries and inodes are created during lookup based on the entries on sysfs_dirent tree. These leaves are removed from the dcache through the VFS dentry ageing process during shrink dcache operations. Thus reducing about 80% of sysfs lowmem needs. o This implments the ->lookup() for sysfs directory inodes and allocates dentry and inode if the lookup is successful and avoids the need of allocating and pinning of dentry and inodes during the creation of corresponding sysfs leaf entry. As of now the implementation has not required negative dentry creation on failed lookup. As sysfs is still a RAM based filesystem, negative dentries are not of any use IMO. o The leaf dentry allocated after successful lookup is connected to the existing corresponding sysfs_dirent through the d_fsdata field. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> o This patch implements the sysfs_dir_operations file_operations strucutre for sysfs directories. It uses the sysfs_dirent based tree for ->readdir() and ->lseek() methods instead of simple_dir_operations which use dentry based tree. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> o This patch uses the sysfs_dirent based tree while removing sysfs files and directories. This avoids holding dcache_lock by not using dentry based vfs tree. Thus simplyfying the removal logic in sysfs. o It uses two helper routines sysfs_get_name(), to get the name for sysfs element and sysfs_drop_dentry() to delete the dentry given a sysfs_dirent. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> o This patch introduces the new sysfs_dirent data structure. The sysfs_dirent is added to the dentry corresponding to each of the element which can be represented in sysfs like, kobject (directory), text or binary attributes (files), attribute groups (directory) and symlinks. o It uses dentry's d_fsdata field to attach the corresponding sysfs_dirent. o The sysfs_dirents are maintained in a tree of all the sysfs entries using the s_children and s_sibling list pointers. o This patch also changes how we access attributes and kobjects in file_operations from a given dentry, basically introducing one more level of indirection. o The sysfs_dirents are freed and the sysfs_dirent tree is updated accordingly upon the deletion of corresponding dentry. The sysfs dirents are kept alive as long as there is corresponding dentry around. The are freed when the dentry is finally out of dcache using the ->d_iput() method. o This also fixes the dentry leaks in case of error paths after sysfs has got a newly alocated (and hashed) dentry from sysfs_get_dentry() by d_drop()'ing the dentry. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> My fault, a bad typo in fs/sysfs/bin.c. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Andrew Morton authored
From: Maneesh Soni <maneesh@in.ibm.com> o The following patch provides dumb helpers to access the corresponding kobject, attribute or binary attribute given a dentry and prepare the sysfs_file_operation methods for using sysfs_dirents. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Matthew Wilcox authored
Add light-weight-syscall support to parisc. The first LWS is atomic CAS. Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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Matthew Wilcox authored
Add user_space macro, to determine if we are in a user versus kernel space. Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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