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* tty: Ldisc revampAlan Cox2008-07-20
| | | | | | | | | | | | Move the line disciplines towards a conventional ->ops arrangement. For the moment the actual 'tty_ldisc' struct in the tty is kept as part of the tty struct but this can then be changed if it turns out that when it all settles down we want to refcount ldiscs separately to the tty. Pull the ldisc code out of /proc and put it with our ldisc code. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2008-07-17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: [PATCH] ocfs2: fix oops in mmap_truncate testing configfs: call drop_link() to cleanup after create_link() failure configfs: Allow ->make_item() and ->make_group() to return detailed errors. configfs: Fix failing mkdir() making racing rmdir() fail configfs: Fix deadlock with racing rmdir() and rename() configfs: Make configfs_new_dirent() return error code instead of NULL configfs: Protect configfs_dirent s_links list mutations configfs: Introduce configfs_dirent_lock ocfs2: Don't snprintf() without a format. ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs ocfs2/net: Silence build warnings on sparc64 ocfs2: Handle error during journal load ocfs2: Silence an error message in ocfs2_file_aio_read() ocfs2: use simple_read_from_buffer() ocfs2: fix printk format warnings with OCFS2_FS_STATS=n [PATCH 2/2] ocfs2: Instrument fs cluster locks [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
| * configfs: Allow ->make_item() and ->make_group() to return detailed errors.Joel Becker2008-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The configfs operations ->make_item() and ->make_group() currently return a new item/group. A return of NULL signifies an error. Because of this, -ENOMEM is the only return code bubbled up the stack. Multiple folks have requested the ability to return specific error codes when these operations fail. This patch adds that ability by changing the ->make_item/group() ops to return an int. Also updated are the in-kernel users of configfs. Signed-off-by: Joel Becker <joel.becker@oracle.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2008-07-16
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits) sdio_uart: Fix SDIO break control to now return success or an error mmc: host driver for Ricoh Bay1Controllers sdio: sdio_io.c Fix sparse warnings sdio: fix the use of hard coded timeout value. mmc: OLPC: update vdd/powerup quirk comment mmc: fix spares errors of sdhci.c mmc: remove multiwrite capability wbsd: fix bad dma_addr_t conversion atmel-mci: Driver for Atmel on-chip MMC controllers mmc: fix sdio_io sparse errors mmc: wbsd.c fix shadowing of 'dma' variable MMC: S3C24XX: Refuse incorrectly aligned transfers MMC: S3C24XX: Add maintainer entry MMC: S3C24XX: Update error debugging. MMC: S3C24XX: Add media presence test to request handling. MMC: S3C24XX: Fix use of msecs where jiffies are needed MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices MMC: S3C24XX: Fix s3c2410_dma_request() return code check. MMC: S3C24XX: Allow card-detect on non-IRQ capable pin MMC: S3C24XX: Ensure host->mrq->data is valid ... Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c and include/linux/mmc/sdio_func.h when merging.
| * | mmc,sdio: helper function for transfer paddingPierre Ossman2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are a lot of crappy controllers out there that cannot handle all the request sizes that the MMC/SD/SDIO specifications require. In case the card driver can pad the data to overcome the problems, this commit adds a helper that calculates how much that padding should be. A corresponding helper is also added for SDIO, but it can also deal with all the complexities of splitting up a large transfer efficiently. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* | | Merge commit 'origin/master'Benjamin Herrenschmidt2008-07-15
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Manual merge of: arch/powerpc/Kconfig arch/powerpc/kernel/stacktrace.c arch/powerpc/mm/slice.c arch/ppc/kernel/smp.c
| * \ \ Merge branch 'core/rcu' into core/rcu-for-linusIngo Molnar2008-07-15
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| | * \ \ Merge branch 'linus' into core/rcuIngo Molnar2008-07-11
| | |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: include/linux/rculist.h kernel/rcupreempt.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * \ \ \ Merge branch 'linus' into core/rcuIngo Molnar2008-06-23
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| | * \ \ \ \ Merge branch 'linus' into core/rcuIngo Molnar2008-06-16
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| | * | | | | | rcu: split list.h and move rcu-protected lists into rculist.hFranck Bui-Huu2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move rcu-protected lists from list.h into a new header file rculist.h. This is done because list are a very used primitive structure all over the kernel and it's currently impossible to include other header files in this list.h without creating some circular dependencies. For example, list.h implements rcu-protected list and uses rcu_dereference() without including rcupdate.h. It actually compiles because users of rcu_dereference() are macros. Others RCU functions could be used too but aren't probably because of this. Therefore this patch creates rculist.h which includes rcupdates without to many changes/troubles. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Josh Triplett <josh@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | | | | mlx4_core: Use MOD_STAT_CFG command to get minimal page sizeVladimir Sokolovsky2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a bug in some versions of the mlx4 driver in mlx4_alloc_fmr(), which hardcoded the minimum acceptable page_shift to be 12. However, new ConnectX firmware can support a minimum page_shift of 9 (log_pg_sz of 9 returned by QUERY_DEV_LIM) -- so with old drivers, ib_fmr_alloc() would fail for ULPs using the device minimum when creating FMRs. To preserve firmware compatibility with released mlx4 drivers, the firmware will continue to return 12 as before for log_page_sz in QUERY_DEV_CAP for these drivers. However, to enable new drivers to take advantage of the available smaller page size, the mlx4 driver now first sets the log_pg_sz to the device minimum by setting a log_page_sz value to 0 via the MOD_STAT_CFG command and then reading the real minimum via QUERY_DEV_CAP. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | | | | | RDMA/cxgb3: Fixes for zero STagSteve Wise2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Handling the zero STag in receive work request requires some extra logic in the driver: - Only set the QP_PRIV bit for kernel mode QPs. - Add a zero STag build function for recv wrs. The uP needs a PBL allocated and passed down in the recv WR so it can construct a HW PBL for the zero STag S/G entries. Note: we need to place a few restrictions on zero STag usage because of this: 1) all SGEs in a recv WR must either be zero STag or not. No mixing. 2) an individual SGE length cannot exceed 128MB for a zero-stag SGE. This should be OK since it's not really practical to allocate such a large chunk of pinned contiguous DMA mapped memory. - Add an optimized non-zero-STag recv wr format for kernel users. This is needed to optimize both zero and non-zero STag cracking in the recv path for kernel users. - Remove the iwch_ prefix from the static build functions. - Bump required FW version. Signed-off-by: Steve Wise <swise@opengridcomputing.com>
| * | | | | | | IB/mlx4: Add support for blocking multicast loopback packetsRon Livne2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for handling the IB_QP_CREATE_MULTICAST_BLOCK_LOOPBACK flag by using the per-multicast group loopback blocking feature of mlx4 hardware. Signed-off-by: Ron Livne <ronli@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | | | | | RDMA/cxgb3: Add support for protocol statisticsSteve Wise2008-07-15
| | |_|_|_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add a new rdma ctl command called RDMA_GET_MIB to the cxgb3 low level driver to obtain the protocol mib from the rnic hardware. - Add new iw_cxgb3 provider method to get the MIB from the low level driver. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | | | | Merge branch 'for-2.6.27' of git://git.infradead.org/users/dwmw2/firmware-2.6Linus Torvalds2008-07-14
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.27' of git://git.infradead.org/users/dwmw2/firmware-2.6: (64 commits) firmware: convert sb16_csp driver to use firmware loader exclusively dsp56k: use request_firmware edgeport-ti: use request_firmware() edgeport: use request_firmware() vicam: use request_firmware() dabusb: use request_firmware() cpia2: use request_firmware() ip2: use request_firmware() firmware: convert Ambassador ATM driver to request_firmware() whiteheat: use request_firmware() ti_usb_3410_5052: use request_firmware() emi62: use request_firmware() emi26: use request_firmware() keyspan_pda: use request_firmware() keyspan: use request_firmware() ttusb-budget: use request_firmware() kaweth: use request_firmware() smctr: use request_firmware() firmware: convert ymfpci driver to use firmware loader exclusively firmware: convert maestro3 driver to use firmware loader exclusively ... Fix up trivial conflicts with BKL removal in drivers/char/dsp56k.c and drivers/char/ip2/ip2main.c manually.
| | * \ \ \ \ \ Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.gitDavid Woodhouse2008-07-14
| | |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: sound/pci/Kconfig
| | | * | | | | | kaweth: use request_firmware()David Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | smctr: use request_firmware()David Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | cxgb3: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | irda-usb: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | atmel: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | p54: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | rt2x00: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | zd1201: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | myri10ge: treat firmware data as constDavid Woodhouse2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... which means allocating our own buffer for reading it back. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| | | * | | | | | libertas: treat firmware data as constDavid Woodhouse2008-07-10
| | | | |_|_|/ / | | | |/| | | | | | | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | | | | | | | Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-buildBenjamin Herrenschmidt2008-07-15
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Manual fixup of: arch/powerpc/Kconfig
| * | | | | | | Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2008-07-14
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits) [ARM] 5171/1: ep93xx: fix compilation of modules using clocks [ARM] 5133/2: at91sam9g20 defconfig file [ARM] 5130/4: Support for the at91sam9g20 [ARM] 5160/1: IOP3XX: gpio/gpiolib support [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits. [ARM] 5084/1: zylonite: Register AC97 device [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state [ARM] 5144/1: pxaficp_ir: cleanup includes [ARM] pxa: remove pxa_set_cken() [ARM] pxa: allow clk aliases [ARM] Feroceon: don't disable BPU on boot [ARM] Orion: LED support for HP mv2120 [ARM] Orion: add RD88F5181L-FXO support [ARM] Orion: add RD88F5181L-GE support [ARM] Orion: add Netgear WNR854T support [ARM] s3c2410_defconfig: update for current build [ARM] Acer n30: Minor style and indentation fixes. ...
| | * \ \ \ \ \ \ [ARM] Merge most of the PXA work for initial mergeRussell King2008-07-14
| | |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This includes PXA work up to the SPI changes for the initial merge, since e172274ccc55d20536fbdceb6131f38e288541e0 depends on the SPI tree being merged. Conflicts: arch/arm/configs/em_x270_defconfig arch/arm/configs/xm_x270_defconfig
| | | * | | | | | | [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin settingDmitry Baryshkov2008-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | is handled in board code Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | | | | [ARM] 5144/1: pxaficp_ir: cleanup includesDmitry Baryshkov2008-07-09
| | | | |_|/ / / / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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| | *---------. | | | | | | Merge branches 'at91', 'dyntick', 'ep93xx', 'iop', 'ixp', 'misc', 'orion', ↵Russell King2008-07-10
| | |\ \ \ \ \ \| | | | | | | | | |_|_|_|_|_|_|_|_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | 'omap-reviewed', 'rpc', 'rtc' and 's3c' into devel
| | | | | | | * | | | | | [ARM] rpc: etherh: fix unused variable warningRussell King2008-07-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix: drivers/net/arm/etherh.c:650: warning: unused variable `i' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | | | | | | | [ARM] 5130/4: Support for the at91sam9g20sedji gaouaou2008-07-10
| | | | |_|_|_|/ / / / / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC. AT91sam9g20 is an evolution of the at91sam9260 with a faster clock speed. We created a new board for this device but based the chip support directly on 9260 files with little updates. Here is the chip page on Atmel wabsite: http://atmel.com/dyn/products/product_card.asp?part_id=4337 Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com> Signed-off-by: Justin Waters <justin.waters@timesys.com> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | | | | | | | Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6Linus Torvalds2008-07-14
| |\ \ \ \ \ \ \ \ \ \ \ | | |_|_|_|_|_|_|/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits) IB/umad: BKL is not needed for ib_umad_open() IB/uverbs: BKL is not needed for ib_uverbs_open() bf561-coreb: BKL unneeded for open() Call fasync() functions without the BKL snd/PCM: fasync BKL pushdown ipmi: fasync BKL pushdown ecryptfs: fasync BKL pushdown Bluetooth VHCI: fasync BKL pushdown tty_io: fasync BKL pushdown tun: fasync BKL pushdown i2o: fasync BKL pushdown mpt: fasync BKL pushdown Remove BKL from remote_llseek v2 Make FAT users happier by not deadlocking x86-mce: BKL pushdown vmwatchdog: BKL pushdown vmcp: BKL pushdown via-pmu: BKL pushdown uml-random: BKL pushdown uml-mmapper: BKL pushdown ...
| | * | | | | | | | | | Merge commit 'v2.6.26' into bkl-removalJonathan Corbet2008-07-14
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| | * | | | | | | | | | tun: fasync BKL pushdownJonathan Corbet2008-07-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| | * | | | | | | | | | net-tun: BKL pushdownArnd Bergmann2008-07-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| | * | | | | | | | | | Add a bunch of cycle_kernel_lock() callsJonathan Corbet2008-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All of the open() functions which don't need the BKL on their face may still depend on its acquisition to serialize opens against driver initialization. So make those functions acquire then release the BKL to be on the safe side. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| | * | | | | | | | | | Add "no BKL needed" comments to several driversJonathan Corbet2008-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This documents the fact that somebody looked at the relevant open() functions and concluded that, due to their trivial nature, no locking was needed. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| | * | | | | | | | | | cosa: cdev lock_kernel() pushdownJonathan Corbet2008-05-18
| | | |_|/ / / / / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | | | | | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Linus Torvalds2008-07-14
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: (31 commits) avr32: Fix typo of IFSR in a comment in the PIO header file avr32: Power Management support ("standby" and "mem" modes) avr32: Add system device for the internal interrupt controller (intc) avr32: Add simple SRAM allocator avr32: Enable SDRAMC clock at startup rtc-at32ap700x: Enable wakeup macb: Basic suspend/resume support atmel_serial: Drain console TX shifter before suspending atmel_serial: Fix build on avr32 with CONFIG_PM enabled avr32: Use a quicklist for PTE allocation as well avr32: Use a quicklist for PGD allocation avr32: Cover the kernel page tables in the user PGDs avr32: Store virtual addresses in the PGD avr32: Remove useless zeroing of swapper_pg_dir at startup avr32: Clean up and optimize the TLB operations avr32: Rename at32ap.c -> pdc.c avr32: Move setup_platform() into chip-specific file avr32: Kill special exception handler sections avr32: Kill unneeded #include <asm/pgalloc.h> from asm/mmu_context.h avr32: Clean up time.c #includes ...
| | * | | | | | | | | | macb: Basic suspend/resume supportHaavard Skinnemoen2008-07-02
| | | |_|/ / / / / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements suspend and resume callbacks for the macb driver. We may have to do some more to gracefully shut the MAC down, but this at least prevents the macb from waking the system when hooked up to a busy network. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Patrice Vilchez <patrice.vilchez@rfo.atmel.com> Cc: Nicolas FERRE <nicolas.ferre@rfo.atmel.com>
| * | | | | | | | | | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2008-07-14
| |\ \ \ \ \ \ \ \ \ \ | | |_|_|/ / / / / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: (37 commits) splice: fix generic_file_splice_read() race with page invalidation ramfs: enable splice write drivers/block/pktcdvd.c: avoid useless memset cdrom: revert commit 22a9189 (cdrom: use kmalloced buffers instead of buffers on stack) scsi: sr avoids useless buffer allocation block: blk_rq_map_kern uses the bounce buffers for stack buffers block: add blk_queue_update_dma_pad DAC960: push down BKL pktcdvd: push BKL down into driver paride: push ioctl down into driver block: use get_unaligned_* helpers block: extend queue_flag bitops block: request_module(): use format string Add bvec_merge_data to handle stacked devices and ->merge_bvec() block: integrity flags can't use bit ops on unsigned short cmdfilter: extend default read filter sg: fix odd style (extra parenthesis) introduced by cmd filter patch block: add bounce support to blk_rq_map_user_iov cfq-iosched: get rid of enable_idle being unused warning allow userspace to modify scsi command filter on per device basis ...
| | * | | | | | | | | xen: Avoid allocations causing swap activity on the resume pathIan Campbell2008-07-03
| | | |_|_|_|/ / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid allocations causing swap activity on the resume path by preventing the allocations from doing IO and allowing them to access the emergency pools. These paths are used when a frontend device is trying to connect to its backend driver over Xenbus. These reconnections are triggered on demand by IO, so by definition there is already IO underway, and further IO would naturally deadlock. On resume, this path is triggered when the running system tries to continue using its devices. If it cannot then the resume will fail; to try to avoid this we let it dip into the emergency pools. [ linux-2.6.18-xen changesets e8b49cfbdac, fdb998e79aba ] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | | | | | | | | | ibm_newemac: Add MII mode support to the EMAC RGMII bridge.Grant Erickson2008-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support to the RGMII handler in the EMAC driver for the MII PHY mode such that device tree entries of the form `phy-mode = "mii";' are recognized and handled appropriately. While logically, in software, "gmii" and "mii" modes are the same, they are wired differently, so it makes sense to allow DTS authors to specify each explicitly. Signed-off-by: Grant Erickson <gerickson@nuovations.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | Merge commit 'origin/HEAD' into test-mergeBenjamin Herrenschmidt2008-07-14
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Manual fixup of include/asm-powerpc/pgtable-ppc64.h
| * | | | | | | | | tun: Persistent devices can get stuck in xoff stateMax Krasnyansky2008-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The scenario goes like this. App stops reading from tun/tap. TX queue gets full and driver does netif_stop_queue(). App closes fd and TX queue gets flushed as part of the cleanup. Next time the app opens tun/tap and starts reading from it but the xoff state is not cleared. We're stuck. Normally xoff state is cleared when netdev is brought up. But in the case of persistent devices this happens only during initial setup. The fix is trivial. If device is already up when an app opens it we clear xoff state and that gets things moving again. Signed-off-by: Max Krasnyansky <maxk@qualcomm.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | libertas: fix memory alignment problems on the blackfinIhar Hrachyshka2008-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixing unaligned memory access on the blackfin architecture. Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@promwad.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>