- Oct 03, 2012
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Ben Skeggs authored
Having GPUOBJ and VM intertwined like this makes it *really* hard to continue porting to the new driver architecture, split it out in favour of requiring explit maps be the caller. It's more flexible and obvious this way anyway... Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
The partial mapping thing is stupid and pointless... Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
These type of fake objects will not be supported for much longer. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
A ton of duplication for the moment, will go away when they become subdevs. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
v2: - make sure not to execute display scripts unless resuming Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Still missing the main bits we use to change performance levels, I'll get to it after all the hard yakka has been finished. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
v2/v3: Ben Skeggs <bskeggs@redhat.com> - fix typo in default bus selection - fix accidental loss of destructor v4: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com> - fix typo causing incorrect default i2c port settings when no BMP data Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
v2: Ben Skeggs <bskeggs@redhat.com> - rebase on top of v3.6-rc6 with gpio reset patch integrated already Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
v2: Ben Skeggs <bskeggs@redhat.com> - use unaligned macros to access vbios image - endianness fixes Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Adds an extra layer of indirection to each register access, but it's not too bad, and will also go away as pieces are ported. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
These currently just call the existing ones in nouveau_drv.c, but will be extended in upcoming commits. This needed to be separated from the current code as there will be some header clashes until things are ported. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
This commit provides most of the infrastructure to support a major overhaul of Nouveau's internals coming in the following commits. This work aims to take all the things we've learned over the last several years, and turn that into a cleaner architecture that's more maintainable going forward. RAMHT and MM bits of the new core have been left out for the moment, and will be pulled in as I go through the process of porting the code to become either subdev or engine modules. There are several main goals I wanted to achieve through this work: -- Reduce complexity The goal here was to make each component of the driver as independent as possible, which will ease maintainability and readability, and provide a good base for resetting locked up GPU units in the future. -- Better tracking of GPU units that are required at any given time This is for future PM work, we'll be able to tell exactly what parts of the GPU we need powered at any given point (etc). -- Expose all available NVIDIA GPUs to the client In order to support things such as multi-GPU channels, we want to be able to expose all the NVIDIA GPUs to the client over a single file descriptor so it can send a single push buffer to multiple GPUs. -- Untangle the core hardware support code from the DRM implementation This happened initially as an unexpected side-effect of developing the initial core infrastructure in userspace, but it turned into a goal of the whole project. Initial benefits will be the availablility of a number of userspace tools and tests using the same code as the driver itself, but will also be important as I look into some virtualisation ideas. v2: Ben Skeggs <bskeggs@redhat.com> - fix duplicate assignments noticed by clang - implement some forgotten yelling in error path - ensure 64-bit engine mask is used everywhere v3: Marcin Slusarz <marcin.slusarz@gmail.com> - sparse fixes - inline nv_printk into nv_assert to prevent recursive inlining issues v4: Ben Skeggs <bskeggs@redhat.com> - fixed minor memory leak on gpuobj destruction Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Future work will be headed in the way of separating the policy supplied by the nouveau drm module from the mechanisms provided by the driver core. There will be a couple of major classes (subdev, engine) of driver modules that have clearly defined tasks, and the further directory structure change is to reflect this. No code changes here whatsoever, aside from fixing up a couple of include file pathnames. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Won't necessarily be a drm_mm_node in the future, and I can't think of any good reason to not use the offset from the bo struct. There may have been some reason once apon a time, but, separate commit just in case. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Fixes some unfortunate races on resume. The G84 version of the code doesn't need this as "gpuobj"s are automagically suspended/resumed by the core code whereas pinned buffer objects are not. Cc: stable@vger.kernel.org Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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- Oct 01, 2012
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Linus Torvalds authored
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- Sep 30, 2012
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Miklos Szeredi authored
IBM reported a deadlock in select_parent(). This was found to be caused by taking rename_lock when already locked when restarting the tree traversal. There are two cases when the traversal needs to be restarted: 1) concurrent d_move(); this can only happen when not already locked, since taking rename_lock protects against concurrent d_move(). 2) racing with final d_put() on child just at the moment of ascending to parent; rename_lock doesn't protect against this rare race, so it can happen when already locked. Because of case 2, we need to be able to handle restarting the traversal when rename_lock is already held. This patch fixes all three callers of try_to_ascend(). IBM reported that the deadlock is gone with this patch. [ I rewrote the patch to be smaller and just do the "goto again" if the lock was already held, but credit goes to Miklos for the real work. - Linus ] Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: stable@vger.kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull IOMMU fixes from Joerg Roedel: "Two small patches: * One patch to fix the function declarations for !CONFIG_IOMMU_API. This is causing build errors in linux-next and should be fixed for v3.6. * Another patch to fix an IOMMU group related NULL pointer dereference." * tag 'iommu-fixes-v3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix wrong assumption in iommu-group specific code iommu: static inline iommu group stub functions
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git://git.infradead.org/users/willy/linux-nvmeLinus Torvalds authored
Pull NVMe driver fixes from Matthew Wilcox: "Now that actual hardware has been released (don't have any yet myself), people are starting to want some of these fixes merged." Willy doesn't have hardware? Guys... * git://git.infradead.org/users/willy/linux-nvme: NVMe: Cancel outstanding IOs on queue deletion NVMe: Free admin queue memory on initialisation failure NVMe: Use ida for nvme device instance NVMe: Fix whitespace damage in nvme_init NVMe: handle allocation failure in nvme_map_user_pages() NVMe: Fix uninitialized iod compiler warning NVMe: Do not set IO queue depth beyond device max NVMe: Set block queue max sectors NVMe: use namespace id for nvme_get_features NVMe: replace nvme_ns with nvme_dev for user admin NVMe: Fix nvme module init when nvme_major is set NVMe: Set request queue logical block size
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- Sep 29, 2012
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Linus Torvalds authored
Sasha Levin has been running trinity in a KVM tools guest, and was able to trigger the BUG_ON() at arch/x86/mm/pat.c:279 (verifying the range of the memory type). The call trace showed that it was mtdchar_mmap() that created an invalid remap_pfn_range(). The problem is that mtdchar_mmap() does various really odd and subtle things with the vma page offset etc, and uses the wrong types (and the wrong overflow) detection for it. For example, the page offset may well be 32-bit on a 32-bit architecture, but after shifting it up by PAGE_SHIFT, we need to use a potentially 64-bit resource_size_t to correctly hold the full value. Also, we need to check that the vma length plus offset doesn't overflow before we check that it is smaller than the length of the mtdmap region. This fixes things up and tries to make the code a bit easier to read. Reported-and-tested-by:
Sasha Levin <levinsasha928@gmail.com> Acked-by:
Suresh Siddha <suresh.b.siddha@intel.com> Acked-by:
Artem Bityutskiy <dedekind1@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David S Miller: 1) Netfilter xt_limit module can use uninitialized rules, from Jan Engelhardt. 2) Wei Yongjun has found several more spots where error pointers were treated as NULL/non-NULL and vice versa. 3) bnx2x was converted to pci_io{,un}map() but one remaining plain iounmap() got missed. From Neil Horman. 4) Due to a fence-post type error in initialization of inetpeer entries (which is where we store the ICMP rate limiting information), we can erroneously drop ICMPs if the inetpeer was created right around when jiffies wraps. Fix from Nicolas Dichtel. 5) smsc75xx resume fix from Steve Glendinnig. 6) LAN87xx smsc chips need an explicit hardware init, from Marek Vasut. 7) qlcnic uses msleep() with locks held, fix from Narendra K. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: netdev: octeon: fix return value check in octeon_mgmt_init_phy() inetpeer: fix token initialization qlcnic: Fix scheduling while atomic bug bnx2: Clean up remaining iounmap net: phy: smsc: Implement PHY config_init for LAN87xx smsc75xx: fix resume after device reset netdev: pasemi: fix return value check in pasemi_mac_phy_init() team: fix return value check l2tp: fix return value check netfilter: xt_limit: have r->cost != 0 case work
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs fixes from Al Viro: "A couple of fixes; one for automount/lazy umount race, another a classic "we don't protect the refcount transition to zero with the lock that protects looking for object in hash" kind of crap in lockd." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: close the race in nlmsvc_free_block() do_add_mount()/umount -l races
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds authored
Pull UML fixes from Richard Weinberger. * 'for-linus-3.6-rc-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Preinclude include/linux/kern_levels.h um: Fix IPC on um um: kill thread->forking um: let signal_delivered() do SIGTRAP on singlestepping into handler um: don't leak floating point state and segment registers on execve() um: take cleaning singlestep to start_thread()
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dmLinus Torvalds authored
Pull dm fixes from Alasdair G Kergon: "A few fixes for problems discovered during the 3.6 cycle. Of particular note, are fixes to the thin target's discard support, which I hope is finally working correctly; and fixes for multipath ioctls and device limits when there are no paths." * tag 'dm-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: dm verity: fix overflow check dm thin: fix discard support for data devices dm thin: tidy discard support dm: retain table limits when swapping to new table with no devices dm table: clear add_random unless all devices have it set dm: handle requests beyond end of device instead of using BUG_ON dm mpath: only retry ioctl when no paths if queue_if_no_path set dm thin: do not set discard_zeroes_data
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- Sep 28, 2012
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Andrea Arcangeli authored
Speculative cache pagecache lookups can elevate the refcount from under us, so avoid the false positive. If the refcount is < 2 we'll be notified by a VM_BUG_ON in put_page_testzero as there are two put_page(src_page) in a row before returning from this function. Signed-off-by:
Andrea Arcangeli <aarcange@redhat.com> Reviewed-by:
Rik van Riel <riel@redhat.com> Reviewed-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Petr Holasek <pholasek@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joerg Roedel authored
The new IOMMU groups code in the AMD IOMMU driver makes the assumption that there is a pci_dev struct available for all device-ids listed in the IVRS ACPI table. Unfortunatly this assumption is not true and so this code causes a NULL pointer dereference at boot on some systems. Fix it by making sure the given pointer is never NULL when passed to the group specific code. The real fix is larger and will be queued for v3.7. Reported-by:
Florian Dazinger <florian@dazinger.net> Signed-off-by:
Joerg Roedel <joerg.roedel@amd.com>
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Wei Yongjun authored
In case of error, the function of_phy_connect() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "The three nouveau fixes quiten unneeded dmesg spam that people are seeing and pondering, The udl fix stops it from trying to driver monitors that are too big, where we get a black screen. And a vmware memory alloc problem." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nvc0/fifo: ignore bits in PFIFO_INTR that aren't set in PFIFO_INTR_EN drm/udl: limit modes to the sku pixel limits. vmwgfx: corruption in vmw_event_fence_action_create() drm/nvc0/ltcg: mask off intr 0x10 drm/nouveau: silence a debug message triggered by newer userspace
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg Kroah-Hartman: "Here are two USB bugfixes for your 3.6-rc7 tree. The OHCI fix has been reported a number of times and is a regression from 3.5, and the patch that causes the regression was on the way to the -stable trees before I was reminded (again) that this fix needed to get to your tree soon. The host controller bugfix was reported in older kernels as being pretty easy to trigger, and has been tested by Red Hat and their customers. Both have been in the usb-next branch in the -next tree for a while now, I just cherry-picked them out to get to you in time for the 3.6 release. Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>"> * tag 'usb-3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: Fix race condition when removing host controllers USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
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Daniel Mack authored
Also fix the calls to next_packet_size() for the pause case. This was missed in 245baf98 ("ALSA: snd-usb: fix calls to next_packet_size"). Signed-off-by:
Daniel Mack <zonque@gmail.com> Reviewed-by:
Takashi Iwai <tiwai@suse.de> Reported-and-tested-by:
Christian Tefzer <ctrefzer@gmx.de> Cc: stable@kernel.org [ Taking directly because Takashi is on vacation - Linus ] Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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