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2011-11-30ram_console: pass in a boot info stringColin Cross
Allow the board file to pass a boot info string through the platform data that is appended to the /proc/last_kmsg file. Change-Id: I37065fafb09676085465c93384d8e176fdd942d6 Signed-off-by: Colin Cross <ccross@android.com>
2011-11-30android: logger: bump up the logger buffer sizesJP Abgrall
(port from common android-2.6.39 commit: 11430f16545205c614dd5bd58e4a7ee630fc0f9f) events: (no change, 256) main: 64 -> 256 radio: 64 -> 256 system: 64 -> 256 Change-Id: I42c0d4cc9fa89735d2f05010236070e1e4737ffc Signed-off-by: JP Abgrall <jpa@google.com>
2011-11-30android: lowmemorykiller: Fix arguments to lowmem_shrinkColin Cross
The arguments to shrink functions have changed, update lowmem_shrink to match. Change-Id: I48f436e0509c416dc0b18db500234f7b1d6d42e1 Signed-off-by: Colin Cross <ccross@android.com>
2011-11-30staging: android: lowmemorykiller: Ignore shmem pages in page-cacheArve Hjønnevåg
Change-Id: Ia54fc50b7dcabfeb71eb487c652803f83e2f3d8e Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30staging: android: lowmemorykiller: Don't wait more than one second for a ↵Arve Hjønnevåg
process to die If a process forked and the child process was killed by the lowmemorykiller, the lowmemory killer would be disabled until the parent process reaped the child or it died itself. Change-Id: I709b1a4e1b1a1970e51d26a39fcbee57977bbc7f Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30lowmemorykiller: don't unregister notifier from atomic contextRabin Vincent
The lowmemorykiller registers an atomic notifier for notfication of when the task is freed. From this atomic notifier callback, it removes the atomic notifier via task_free_unregister(). This is incorrect because atomic_notifier_chain_unregister() calls syncronize_rcu(), which can sleep, which shouldn't be done from an atomic notifier. Fix this by registering the notifier during init, and only unregister it if the lowmemorykiller is unloaded. Change-Id: I1577b04e617bc2b2e39dcb490fcfc9ce660eb7ec Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Christian Bejram <christian.bejram@stericsson.com>
2011-11-30staging: remove Greg's TODO, now obsolete.Brian Swetland
Signed-off-by: Brian Swetland <swetland@google.com>
2011-11-30lowmemorykiller: Update arguments of shrinker for 2.6.35Colin Cross
Change-Id: I6bb09b36639527f91c48704118acad5e50c4163f Signed-off-by: Colin Cross <ccross@google.com>
2011-11-30staging: android: lowmemorykiller: Remove bitrotted codepathSan Mehat
Now that we're murder-synchronous, this code path will never be called (and if it does, it doesn't tell us anything useful other than we killed a task that was already being killed by somebody else but hadn't gotten its' signal yet) Signed-off-by: San Mehat <san@google.com>
2011-11-30staging: android: lowmemorykiller: Fix task_struct leakSan Mehat
As it turns out, the CONFIG_PROFILING interfaces leak a task struct if the notifier chain returns NOTIFY_OK.. doh. This patch reworks lowmemkiller to use the new generic task free notifier chain. Signed-off-by: San Mehat <san@google.com>
2011-11-30binder: Fix memory corruption via page aliasingChristopher Lais
binder_deferred_release was not unmapping the page from the buffer before freeing it, causing memory corruption. This only happened when page(s) had not been freed by binder_update_page_range, which properly unmaps the pages. This only happens on architectures with VIPT aliasing. To reproduce, create a program which opens, mmaps, munmaps, then closes the binder very quickly. This should leave a page allocated when the binder is released. When binder_deferrred_release is called on the close, the page will remain mapped to the address in the linear proc->buffer. Later, we may map the same physical page to a different virtual address that has different coloring, and this may cause aliasing to occur. PAGE_POISONING will greatly increase your chances of noticing any problems. Change-Id: I6941bf212881b8bf846bdfda43d3609c7ae4892e Signed-off-by: Christopher Lais <chris+android@zenthought.org>
2011-11-30staging: android: lowmemkiller: Substantially reduce overhead during reclaimSan Mehat
This patch optimizes lowmemkiller to not do any work when it has an outstanding kill-request. This greatly reduces the pressure on the task_list lock (improving interactivity), as well as improving the vmscan performance when under heavy memory pressure (by up to 20x in tests). Note: For this enhancement to work, you need CONFIG_PROFILING Signed-off-by: San Mehat <san@google.com>
2011-11-30lowmemorykiller: Don't try to kill the same pid over and overSan Mehat
Under certain circumstances, a process can take awhile to handle a sig-kill (especially if it's in a scheduler group with a very low share ratio). When this occurs, lowmemkiller returns to vmscan indicating the process memory has been freed - even though the process is still waiting to die. Since the memory hasn't actually freed, lowmemkiller is called again shortly after, and picks the same process to die; regardless of the fact that it has already been 'scheduled' to die and the memory has already been reported to vmscan as having been freed. Solution is to check fatal_signal_pending() on the selected task, and if it's already pending destruction return; indicating to vmscan that no resources were freed on this pass. Signed-off-by: San Mehat <san@google.com>
2011-11-30Staging: android: binder: Create dedicated workqueue for binder deferred workArve Hjønnevåg
Some drivers flush the global workqueue when closed. This would deadlock if the last reference to the file was released from the binder. Change-Id: Ifdabc0b383fecb20836d1bbb9786c632402a14e1 Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30Staging: android: timed_gpio: Properly discard invalid timeout values.Mike Lockwood
The timed output device never previously checked the return value of sscanf, resulting in an uninitialized int being passed to enable() if input value was invalid. Signed-off-by: Mike Lockwood <lockwood@android.com>
2011-11-30android-common: include linux/slab.hArve Hjønnevåg
Change-Id: Ib9655177bfaf00bd5682e1ac0d7e813e16a47eea
2011-11-30android-common: Fix slab.h includes for 2.6.34-rc4Colin Cross
2011-11-30binder: Move debugging information from procfs to debugfsArve Hjønnevåg
Change-Id: Ia0f9c8cec68054c6600a799ef864ebf1185c93ab Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30binder: Use seq_file for debug interface.Arve Hjønnevåg
Change-Id: I6e9c064ba024329099cb833b2ae9ab43c2ad8c6d Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30android: logger: Add new system log for framework/system log messagesSan Mehat
Signed-off-by: San Mehat <san@google.com>
2011-11-30Staging: android: timed_gpio: Request gpios.Arve Hjønnevåg
Change-Id: I9e98250a04e5505ce2db2edd355e8fdf8391cabd Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30Staging: android: ram_console: Start ram console earlierArve Hjønnevåg
Change-Id: I15d809d8c3002e5bf397a2b154e3803ea0e73642 Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-11-30ramconsole/apanic: Ensure ramconsole does not get cluttered by apanic threadsSan Mehat
Signed-off-by: San Mehat <san@google.com>
2011-11-30Revert "Staging: android: mark subsystem as broken"Arve Hjønnevåg
This reverts commit 2cdf99ce2b9418c9d7c5f907195cfac421375520.
2011-11-30staging/android: fix build issuesCorentin Chary
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
2011-11-30Revert "Staging: android: delete android drivers"Arve Hjønnevåg
This reverts commit b0a0ccfad85b3657fe999805df65f5cfe634ab8a.
2011-11-21staging: brcm80211: fill in proper rx rate in mac80211 rx statusArend van Spriel
commit 5a84d6ad4c9306afb467a600a4c6d7b50da49440 upstream. The brcmsmac driver supports different rates on 5GHz but this is not taken into account when providing the rate index in the receive status information passed to mac80211. Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Henry Ptasinski <henryp@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-11staging: hv: fix a kernel warning in netvsc_linkstatus_callback()Haiyang Zhang
commit c4b6a2eaf1c14810a4803d658f68614365978738 upstream. netif_notify_peers() caused a kernel warning in netvsc_linkstatus_callback(), because netvsc_linkstatus_callback() is within IRQ context. So we move the first call to netif_notify_peers() into queued work as well, but with zero delay. In addition to "staging-next", this should also be back-ported to stable kernels 2.6.32 and later. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-11Staging: hv: Add support for >2 TB LUN in storage driver.Mike Sterling
commit cf55f4a8b6243b42fb91c56d1421db0d36d60f96 upstream. If a LUN larger than 2 TB is attached to a Linux VM on Hyper-V, we currently report a maximum size of 2 TB. This patch resolves the issue in hv_storvsc. Thanks to Robert Scheck <robert.scheck@etes.de> for reporting the issue. Reported-by: Robert Scheck <robert.scheck@etes.de> Signed-off-by: Mike Sterling <mike.sterling@microsoft.com> Signed-off-by: K.Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-11staging: quatech_usb2: Potential lost wakeup scenario in TIOCMIWAITKautuk Consul
commit e8df1674d383d2ecc6efa8d7dba74c03aafdfdd7 upstream. If the usermode app does an ioctl over this serial device by using TIOCMIWAIT, then the code will wait by setting the current task state to TASK_INTERRUPTIBLE and then calling schedule(). This will be woken up by the qt2_process_modem_status on URB completion when the port_extra->shadowMSR is set to the new modem status. However, this could result in a lost wakeup scenario due to a race in the logic in the qt2_ioctl(TIOCMIWAIT) loop and the URB completion for new modem status in qt2_process_modem_status. Due to this, the usermode app's task will continue to sleep despite a change in the modem status. Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-11staging: serqt_usb2: remove ssu100 from supported devicesBill Pemberton
commit 7cbf3c7cd59288fb5e9f31815c74773549668d43 upstream. The serqt_usb2 driver will not work properly with the ssu100 device even though it claims to support it. The ssu100 is supported by the ssu100 driver in mainline so there is no need to have it claimed by serqt_usb2. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-11staging: usbip: fix up api changes that broke windows clientsAlexander Thomas
commit 7518b9b8fc72a6c0ba67f33bdd4689c7dd28686a upstream. Revert changes in definitions that were submitted on May 11 2011 and committed on June 7 2011. No reason for the change in these values was given in the patch comment, it broke compatibility with older versions, and was difficult to detect by the simultaneous move of the lines of code. Signed-off-by: Alexander Thomas <alexander.thomas@esaturnus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-10-10Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (29 commits) MIPS: Call oops_enter, oops_exit in die staging/octeon: Software should check the checksum of no tcp/udp packets MIPS: Octeon: Enable C0_UserLocal probing. MIPS: No branches in delay slots for huge pages in handle_tlbl MIPS: Don't clobber CP0_STATUS value for CONFIG_MIPS_MT_SMTC MIPS: Octeon: Select CONFIG_HOLES_IN_ZONE MIPS: PM: Use struct syscore_ops instead of sysdevs for PM (v2) MIPS: Compat: Use 32-bit wrapper for compat_sys_futex. MIPS: Do not use EXTRA_CFLAGS MIPS: Alchemy: DB1200: Disable cascade IRQ in handler SERIAL: Lantiq: Set timeout in uart_port MIPS: Lantiq: Fix setting the PCI bus speed on AR9 MIPS: Lantiq: Fix external interrupt sources MIPS: tlbex: Fix build error in R3000 code. MIPS: Alchemy: Include Au1100 in PM code. MIPS: Alchemy: Fix typo in MAC0 registration MIPS: MSP71xx: Fix build error. MIPS: Handle __put_user() sleeping. MIPS: Allow forced irq threading MIPS: i8259: Mark cascade interrupt non-threaded ...
2011-09-27staging/octeon: Software should check the checksum of no tcp/udp packetsRoy.Li
Icmp packets with wrong checksum are never dropped since skb->ip_summed is set to CHECKSUM_UNNECESSARY. When icmp packets with wrong checksum pass through the octeon net driver, the not_IP, IP_exc, L4_error hardware indicators show no error. so the driver sets CHECKSUM_UNNECESSARY on skb->ip_summed. L4_error only works for TCP/UDP, not for ICMP. Signed-off-by: Roy.Li <rongqing.li@windriver.com> To: linux-mips@linux-mips.org Cc: netdev@vger.kernel.org Cc: ralf@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2798/ Acked-by: David Daney <david.daney@cavium.com> Cc: Greg KH <greg@kroah.com Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-09-20staging: zcache: fix cleancache crashSeth Jennings
After commit c5f5c4db3938 ("staging: zcache: fix crash on high memory swap") cleancache crashes on the first successful get. This was caused by a remaining virt_to_page() call in zcache_pampd_get_data_and_free() that only gets run in the cleancache path. The patch converts the virt_to_page() to struct page casting like was done for other instances in c5f5c4db3938. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Tested-By: Valdis Kletnieks <valdis.kletnieks@vt.edu> Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-19staging: fix comedi build when ISA_DMA_API is enabled but COMEDI_PCI is not ↵Randy Dunlap
enabled Fix build when CONFIG_ISA_DMA_API is enabled but CONFIG_COMEDI_PCI[_DRIVERS] is not enabled. Fixes these build errors: drivers/staging/comedi/drivers/ni_labpc.c: In function 'labpc_ai_cmd': drivers/staging/comedi/drivers/ni_labpc.c:1351: error: implicit declaration of function 'labpc_suggest_transfer_size' drivers/staging/comedi/drivers/ni_labpc.c: At top level: drivers/staging/comedi/drivers/ni_labpc.c:1802: error: conflicting types for 'labpc_suggest_transfer_size' drivers/staging/comedi/drivers/ni_labpc.c:1351: note: previous implicit declaration of 'labpc_suggest_transfer_size' was here Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-24staging: tidspbridge: fix compilation on dsp clock functionsOmar Ramirez Luna
Seen on v3.1-rc3, patch: omap: mcbsp: Drop in-driver transfer support bafe2721a0fbd1cc1af04384133684f660f3658e Removed code that now cause tidspbridge to break while compiling. Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23staging: octeon-ethernet: Add missing #includes.David Daney
I looks like something used to implicitly include linux/interrupt.h, and no longer does. Fix the resulting build error by explicitly including it. Signed-off-by: David Daney <david.daney@cavium.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23Staging: zcache: signedness bug in tmem_get()Dan Carpenter
"ret" needs to be signed for the error handling to work properly. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23staging: zcache: fix crash on high memory swapSeth Jennings
zcache_put_page() was modified to pass page_address(page) instead of the actual page structure. In combination with the function signature changes to tmem_put() and zcache_pampd_create(), zcache_pampd_create() tries to (re)derive the page structure from the virtual address. However, if the original page is a high memory page (or any unmapped page), this virt_to_page() fails because the page_address() in zcache_put_page() returned NULL. This patch changes zcache_put_page() and zcache_get_page() to pass the page structure instead of the page's virtual address, which may or may not exist. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23staging: brcm80211: SPARC build error fixPieter-Paul Giesberts
Due to missing memset function declaration. Reviewed-by: Roland Vossen <rvossen@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23staging: brcm80211: fix compile error on non-x86 archs since 3.0 kernelArend Van Spriel
Since the arrival of kernel version 3.0 in the staging tree it turns out compile error occurs for sparc64, powerpc, and arm platforms. This patch fixes that issue. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Henry Ptasinski <henryp@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-16gma500: kill MIPI interface typesAlan Cox
Kirill Shutemov found problems with the non-upstream IMG driver where the use of extra DRM encoder/connector types caused random crashes when the DRM layer tried to display their matching name. This removes the MIPI types matching the changes Pauli Nieminen made to the non upstream driver set. As Pauli points out: " MIPI (or DSI) is protocol specification on top of LVDS serial bus. That makes it resonable to call MIPI connectors and encoders LVDS." (and indeed they may also be HDMI convertors or similar when we want to report a more useful to end user result) Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-08zcache: Fix build error when sysfs is not definedNitin Gupta
Signed-off-by: Nitin Gupta <ngupta@vflare.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-08zcache: Use div_u64 for 64-bit divisionThadeu Lima de Souza Cascardo
xv_get_total_size_bytes returns a u64 value and it's used in a division. This causes build failures in 32-bit architectures, as reported by Randy Dunlap. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Nitin Gupta <ngupta@vflare.org> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-08staging:rts_pstor: fix thread synchronization flowwwang
Using different completion variables to synchronize different kernel threads This patch fix a bug that may cause memory leak when driver disconnected. This is not a very urgent bug. Because with the default setting, driver disconnectting routine won't be called except when Linux is shut down. But if the option auto_delink_en is set, a small number of memory would leak out after memory card unplugged. Signed-off-by: wwang <wei_wang@realsil.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-03drivers:staging:solo6x10:add the missed slab.hWanlong Gao
Add the missed linux/slab.h to solo6x10.h. Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-03staging: zcache: include module.h for MODULE_LICENSEThadeu Lima de Souza Cascardo
The oncoming cleanup of module.h usage requires the explicit inclusion of module.h when it was otherwise being included indirectly. Otherwise, building zcache will fail. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-02drivers/staging/hv/blkvsc_drv.c: eliminate NULL pointer dereferenceJulia Lawall
In this code, blkvsc_req is allocated in the cache blkdev->request_pool, but freed in the first case to the cache blkvsc_req->dev->request_pool. blkvsc_req->dev is subsequently initialized to blkdev, making these the same at the second call to kmem_cache_free. But at the point of the first call, blkvsc_req->dev is NULL. The second call is changed too, for uniformity. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,e,e1,e2,e3; @@ x = \(kmem_cache_alloc\|kmem_cache_zalloc\)(e1,e2) ... when != x = e ( kmem_cache_free(e1,x); | ?-kmem_cache_free(e3,x); +kmem_cache_free(e1,x); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: KY Srinivasan <kys@microsoft.com> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-02Staging: Add clk API note to nvec/TODORussell King
Add a note about the abuse of the clk API to the nvec/TODO list. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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