- 20 10月, 2008 15 次提交
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由 Rik van Riel 提交于
During an AIM7 run on a 16GB system, fork started failing around 32000 threads, despite the system having plenty of free swap and 15GB of pageable memory. This was on x86-64, so 8k stacks. If a higher order allocation fails, we can either: - keep evicting pages off the end of the LRUs and hope that we eventually create a contiguous region; this is somewhat unlikely if the system is under enough stress by new allocations - after trying normal eviction for a bit, use lumpy reclaim This patch switches the system to lumpy reclaim if the VM is having trouble freeing enough pages, using the same threshold for detection as used by pageout congestion wait. Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
Swapin_readahead can read in a lot of data that the processes in memory never need. Adding swap cache pages to the inactive list prevents them from putting too much pressure on the working set. This has the potential to help the programs that are already in memory, but it could also be a disadvantage to processes that are trying to get swapped in. Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
Moving referenced pages back to the head of the active list creates a huge scalability problem, because by the time a large memory system finally runs out of free memory, every single page in the system will have been referenced. Not only do we not have the time to scan every single page on the active list, but since they have will all have the referenced bit set, that bit conveys no useful information. A more scalable solution is to just move every page that hits the end of the active list to the inactive list. We clear the referenced bit off of mapped pages, which need just one reference to be moved back onto the active list. Unmapped pages will be moved back to the active list after two references (see mark_page_accessed). We preserve the PG_referenced flag on unmapped pages to preserve accesses that were made while the page was on the active list. Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
We avoid evicting and scanning anonymous pages for the most part, but under some workloads we can end up with most of memory filled with anonymous pages. At that point, we suddenly need to clear the referenced bits on all of memory, which can take ages on very large memory systems. We can reduce the maximum number of pages that need to be scanned by not taking the referenced state into account when deactivating an anonymous page. After all, every anonymous page starts out referenced, so why check? If an anonymous page gets referenced again before it reaches the end of the inactive list, we move it back to the active list. To keep the maximum amount of necessary work reasonable, we scale the active to inactive ratio with the size of memory, using the formula active:inactive ratio = sqrt(memory in GB * 10). Kswapd CPU use now seems to scale by the amount of pageout bandwidth, instead of by the amount of memory present in the system. [kamezawa.hiroyu@jp.fujitsu.com: fix OOM with memcg] [kamezawa.hiroyu@jp.fujitsu.com: memcg: lru scan fix] Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
Split the LRU lists in two, one set for pages that are backed by real file systems ("file") and one for pages that are backed by memory and swap ("anon"). The latter includes tmpfs. The advantage of doing this is that the VM will not have to scan over lots of anonymous pages (which we generally do not want to swap out), just to find the page cache pages that it should evict. This patch has the infrastructure and a basic policy to balance how much we scan the anon lists and how much we scan the file lists. The big policy changes are in separate patches. [lee.schermerhorn@hp.com: collect lru meminfo statistics from correct offset] [kosaki.motohiro@jp.fujitsu.com: prevent incorrect oom under split_lru] [kosaki.motohiro@jp.fujitsu.com: fix pagevec_move_tail() doesn't treat unevictable page] [hugh@veritas.com: memcg swapbacked pages active] [hugh@veritas.com: splitlru: BDI_CAP_SWAP_BACKED] [akpm@linux-foundation.org: fix /proc/vmstat units] [nishimura@mxp.nes.nec.co.jp: memcg: fix handling of shmem migration] [kosaki.motohiro@jp.fujitsu.com: adjust Quicklists field of /proc/meminfo] [kosaki.motohiro@jp.fujitsu.com: fix style issue of get_scan_ratio()] Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NDaisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
Define page_file_cache() function to answer the question: is page backed by a file? Originally part of Rik van Riel's split-lru patch. Extracted to make available for other, independent reclaim patches. Moved inline function to linux/mm_inline.h where it will be needed by subsequent "split LRU" and "noreclaim" patches. Unfortunately this needs to use a page flag, since the PG_swapbacked state needs to be preserved all the way to the point where the page is last removed from the LRU. Trying to derive the status from other info in the page resulted in wrong VM statistics in earlier split VM patchsets. The total number of page flags in use on a 32 bit machine after this patch is 19. [akpm@linux-foundation.org: fix up out-of-order merge fallout] [hugh@veritas.com: splitlru: shmem_getpage SetPageSwapBacked sooner[ Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: NMinChan Kim <minchan.kim@gmail.com> Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
If vm_swap_full() (swap space more than 50% full), the system will free swap space at swapin time. With this patch, the system will also free the swap space in the pageout code, when we decide that the page is not a candidate for swapout (and just wasting swap space). Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: NMinChan Kim <minchan.kim@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 KOSAKI Motohiro 提交于
Turn the pagevecs into an array just like the LRUs. This significantly cleans up the source code and reduces the size of the kernel by about 13kB after all the LRU lists have been created further down in the split VM patch series. Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christoph Lameter 提交于
Currently we are defining explicit variables for the inactive and active list. An indexed array can be more generic and avoid repeating similar code in several places in the reclaim code. We are saving a few bytes in terms of code size: Before: text data bss dec hex filename 4097753 573120 4092484 8763357 85b7dd vmlinux After: text data bss dec hex filename 4097729 573120 4092484 8763333 85b7c5 vmlinux Having an easy way to add new lru lists may ease future work on the reclaim code. Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: NChristoph Lameter <cl@linux-foundation.org> Signed-off-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Nick Piggin 提交于
On large memory systems, the VM can spend way too much time scanning through pages that it cannot (or should not) evict from memory. Not only does it use up CPU time, but it also provokes lock contention and can leave large systems under memory presure in a catatonic state. This patch series improves VM scalability by: 1) putting filesystem backed, swap backed and unevictable pages onto their own LRUs, so the system only scans the pages that it can/should evict from memory 2) switching to two handed clock replacement for the anonymous LRUs, so the number of pages that need to be scanned when the system starts swapping is bound to a reasonable number 3) keeping unevictable pages off the LRU completely, so the VM does not waste CPU time scanning them. ramfs, ramdisk, SHM_LOCKED shared memory segments and mlock()ed VMA pages are keept on the unevictable list. This patch: isolate_lru_page logically belongs to be in vmscan.c than migrate.c. It is tough, because we don't need that function without memory migration so there is a valid argument to have it in migrate.c. However a subsequent patch needs to make use of it in the core mm, so we can happily move it to vmscan.c. Also, make the function a little more generic by not requiring that it adds an isolated page to a given list. Callers can do that. Note that we now have '__isolate_lru_page()', that does something quite different, visible outside of vmscan.c for use with memory controller. Methinks we need to rationalize these names/purposes. --lts [akpm@linux-foundation.org: fix mm/memory_hotplug.c build] Signed-off-by: NNick Piggin <npiggin@suse.de> Signed-off-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Badari Pulavarty 提交于
There is nothing architecture specific about remove_memory(). remove_memory() function is common for all architectures which support hotplug memory remove. Instead of duplicating it in every architecture, collapse them into arch neutral function. [akpm@linux-foundation.org: fix the export] Signed-off-by: NBadari Pulavarty <pbadari@us.ibm.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Gary Hade <garyhade@us.ibm.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Atsushi Nemoto 提交于
Fix a warning caused by commit 0c8946d9 (serial: Make uart_port's ioport "unsigned long".) Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Josip Rodin <joy@entuzijast.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Stephen Rothwell 提交于
Today's linux-next build (powerpc_allyesconfig) failed like this: drivers/char/tpm/tpm.c:1162: error: __ksymtab_tpm_dev_release causes a section type conflict Caused by commit 253115b7 ("The tpm_dev_release function is only called for platform devices, not pnp") which exported a static function. Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com> Cc: James Morris <jmorris@namei.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mark Brown 提交于
A couple of commits have a broken real name - fix them up. Signed-off-by: NMark Brown <broonie@sirena.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
The anon_vma code is very subtle, and we end up doing optimistic lookups of anon_vmas under RCU in page_lock_anon_vma() with no locking. Other CPU's can also see the newly allocated entry immediately after we've exposed it by setting "vma->anon_vma" to the new value. We protect against the anon_vma being destroyed by having the SLAB marked as SLAB_DESTROY_BY_RCU, so the RCU lookup can depend on the allocation not being destroyed - but it might still be free'd and re-allocated here to a new vma. As a result, we should not do the anon_vma list ops on a newly allocated vma without proper locking. Acked-by: NNick Piggin <npiggin@suse.de> Acked-by: NHugh Dickins <hugh@veritas.com> Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 18 10月, 2008 25 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (94 commits) USB: remove err() macro from more usb drivers USB: remove err() macro from usb misc drivers USB: remove err() macro from usb core code USB: remove err() macro from usb class drivers USB: remove use of err() in drivers/usb/serial USB: remove info() macro from usb mtd drivers USB: remove info() macro from usb input drivers USB: remove info() macro from usb network drivers USB: remove info() macro from remaining usb drivers USB: remove info() macro from usb/misc drivers USB: remove info() macro from usb/serial drivers USB: remove warn macro from HID core USB: remove warn() macro from usb drivers USB: remove warn() macro from usb net drivers USB: remove warn() macro from usb media drivers USB: remove warn() macro from usb input drivers usb/fsl_qe_udc: clear data toggle on clear halt request usb/fsl_qe_udc: fix response to get status request fsl_usb2_udc: Fix oops on probe failure. fsl_usb2_udc: Add a wmb before priming endpoint. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (44 commits) drm/i915: fix ioremap of a user address for non-root (CVE-2008-3831) drm: make CONFIG_DRM depend on CONFIG_SHMEM. radeon: fix PCI bus mastering support enables. radeon: add RS400 family support. drm/radeon: add support for RS740 IGP chipsets. i915: GM45 has GM965-style MCH setup. i915: Don't run retire work handler while suspended i915: Map status page cached for chips with GTT-based HWS location. i915: Fix up ring initialization to cover G45 oddities i915: Use non-reserved status page index for breadcrumb drm: Increment dev_priv->irq_received so i915_gem_interrupts count works. drm: kill drm_device->irq drm: wbinvd is cache coherent. i915: add missing return in error path. i915: fixup permissions on gem ioctls. drm: Clean up many sparse warnings in i915. drm: Use ioremap_wc in i915_driver instead of ioremap, since we always want WC. drm: G33-class hardware has a newer 965-style MCH (no DCC register). drm: Avoid oops in GEM execbuffers with bad arguments. DRM: Return -EBADF on bad object in flink, and return curent name if it exists. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6由 Linus Torvalds 提交于
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (95 commits) V4L/DVB (9296): Patch to remove warning message during cx88-dvb compilation V4L/DVB (9294): gspca: Add a stop sequence in t613. V4L/DVB (9293): gspca: Separate and fix the sensor dependant sequences in t613. V4L/DVB (9292): gspca: Call the control setting functions at init time in t613. V4L/DVB (9291): gspca: Do not set the white balance temperature by default in t613. V4L/DVB (9290): gspca: Adjust the sensor init sequences in t613. V4L/DVB (9289): gspca: Other sensor identified as om6802 in t613. V4L/DVB (9288): gspca: Write to the USB device and not USB interface in t613. V4L/DVB (9287): gspca: Change the name of the multi bytes write function in t613. V4L/DVB (9286): gspca: Compilation problem of gspca.c and the kernel version. V4L/DVB (9283): Correct typo and enable setting the gain on the mt9m111 sensor V4L/DVB (9282): Properly iterate the urbs when destroying them. V4L/DVB (9281): gspca: Add hflip and vflip to the po1030 sensor V4L/DVB (9280): gspca: Use the gspca debug macros V4L/DVB (9279): gspca: Correct some copyright headers V4L/DVB (9278): gspca: Remove the m5602_debug variable V4L/DVB (9277): gspca: propagate an error in m5602_start_transfer() V4L/DVB (9276): videobuf-dvb: two functions are now static V4L/DVB (9275): dvb: input data pointer of cx24116_writeregN() should be const V4L/DVB (9274): Remove spurious messages and turn into debug. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4由 Linus Torvalds 提交于
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: Remove automatic enabling of the HUGE_FILE feature flag ext4: Replace hackish ext4_mb_poll_new_transaction with commit callback ext4: Update Documentation/filesystems/ext4.txt ext4: Remove unused mount options: nomballoc, mballoc, nocheck ext4: Remove compile warnings when building w/o CONFIG_PROC_FS ext4: Add missing newlines to printk messages ext4: Fix file fragmentation during large file write. vfs: Add no_nrwrite_index_update writeback control flag vfs: Remove the range_cont writeback mode. ext4: Use tag dirty lookup during mpage_da_submit_io ext4: let the block device know when unused blocks can be discarded ext4: Don't reuse released data blocks until transaction commits ext4: Use an rbtree for tracking blocks freed during transaction. ext4: Do mballoc init before doing filesystem recovery ext4: Free ext4_prealloc_space using kmem_cache_free ext4: Fix Kconfig typo for ext4dev ext4: Remove an old reference to ext4dev in Makefile comment
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove err() and use the system-wide standard of dev_err() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove err() and use the system-wide standard of dev_err() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove err() and use the system-wide standard of dev_err() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove err() and use the system-wide standard of dev_err() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
err() is going away, so switch to dev_err() or printk() if it's really needed. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Acked-by: NDavid Woodhouse <dwmw2@infradead.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Acked-by: NDmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. In the few places that will not work out, use a basic printk(). Clean up the remaining usages of this in the drivers/usb/ directory. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
There were two stragglers that got missed in the last merge of the HID tree that forgot to change the warn() calls to dev_warn(). This patch fixes them up. Acked-by: NJiri Kosina <jkosina@suse.cz> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Li Yang 提交于
Fix to comply with USB spec. Signed-off-by: NLi Yang <leoli@freescale.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Li Yang 提交于
The original code didn't respond correctly to get status request on device and endpoint. Although normal operations can work without the fix. It is not compliant with USB spec chapter9 and fails USBCV ch9 tests. The patch fix this and a few style/typo problems. Signed-off-by: NLi Yang <leoli@freescale.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Will Newton 提交于
In some circumstances when fsl_udc_probe fails udc_controller is freed but the pointer remains non-NULL. fsl_udc_remove will then try and teardown the partly initialized and freed controller structure resulting in an oops. This patch ensures udc_controller is either NULL or fully initialized after fsl_udc_probe. Signed-off-by: NWill Newton <will.newton@gmail.com> Acked-by: NLi Yang <leoli@freescale.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Will Newton 提交于
Add a wmb to fsl_queue_td before priming the endpoint. This ensures that the modifications to the QH are seen by the hardware. Added comment as suggested by Felipe Balbi. Signed-off-by: NWill Newton <will.newton@gmail.com> Acked-by: NLi Yang <leoli@freescale.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Will Newton 提交于
fsl_queue_td always returns 0. Make it void and remove checks for non-zero return in callers. Signed-off-by: NWill Newton <will.newton@gmail.com> Acked-by: NLi Yang <leoli@freescale.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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