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2008-08-23pcmcia: deprecate CS_SUCCESSDominik Brodowski
Instead of using own error or success codes, the PCMCIA code should rely on the generic return values. Therefore, replace all occurrences of CS_SUCCESS with 0. CC: netdev@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: move config_info_t definition to ioctl-related parts in header filesDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: move pccard_get_configuration_info to ioctlDominik Brodowski
With the PCMCIA ioctl being the only remaining user of _get_configuration_info, move the function to pcmcia_ioctl.c Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: remove remaining in-kernel pcmcia_get_configuration_info() usersDominik Brodowski
Remove the three remaining pcmcia_get_configuration_info() users: - pcmciamtd is marked broken anyway. - serial_cs.c can access the relevant structs directly - ipwireless didn't use the output CC: linux-serial@vger.kernel.org CC: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: David Sterba <dsterba@suse.cz> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23Merge branches 'pcmcia-config-loop' and 'pcmcia-printk' into pcmciaDominik Brodowski
* pcmcia-config-loop: pcmcia: pcmcia_config_loop() improvement by passing vcc pcmcia: pcmcia_config_loop() default CIS entry handling pcmcia: pcmcia_config_loop() ConfigIndex unification pcmcia: use pcmcia_loop_config in misc pcmcia drivers pcmcia: use pcmcia_loop_config in net pcmcia drivers pcmcia: use pcmcia_loop_config in ISDN pcmcia drivers pcmcia: use pcmcia_loop_config in scsi pcmcia drivers pcmcia: use pcmcia_loop_config in bluetooth drivers pcmcia: use pcmcia_loop_config in pata and ide drivers pcmcia: add pcmcia_loop_config() helper * pcmcia-printk: pcmcia: don't add extra DEBUG cflag pcmcia: remove unused cs_socket_name() definition pcmcia: use dev_printk in module rsrc_nonstatic pcmcia: use dev_printk in module pcmcia pcmcia: use dev_printk in module pcmcia_core pcmcia: use dev_printk and dev_dbg in yenta_socket
2008-08-23pcmcia: don't add extra DEBUG cflagDominik Brodowski
Use CONFIG_PCMCIA_DEBUG instead of DEBUG so that dev_dbg() and other tricks work properly. (includes bugfixes from and Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> ) Signed-off-by: Dominik Broodwski <linux@dominikbrodowski.net>
2008-08-23pcmcia: remove unused cs_socket_name() definitionDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use dev_printk in module rsrc_nonstaticDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use dev_printk in module pcmciaDominik Brodowski
(includes bugfix from and Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> ) Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use dev_printk in module pcmcia_coreDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use dev_printk and dev_dbg in yenta_socketDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: pcmcia_config_loop() improvement by passing vccDominik Brodowski
By passing the current Vcc setting to the pcmcia_config_loop callback function, we can remove pcmcia_get_configuration_info() calls from many drivers. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: pcmcia_config_loop() default CIS entry handlingDominik Brodowski
Many drivers use the default CIS entry within their pcmcia_config_loop() callback function. Therefore, factor the default CIS entry handling out. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: pcmcia_config_loop() ConfigIndex unificationDominik Brodowski
Almost all drivers set p_dev->conf.ConfigIndex to cfg->index in the pcmcia_config_loop() callback function. Therefore, factor it out. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in misc pcmcia driversDominik Brodowski
Use the config loop helper in misc pcmcia drivers. CC: Harald Welte <laforge@gnumonks.org> CC: <linux-parport@lists.infradead.org> CC: Russell King <rmk+kernel@arm.linux.org.uk> CC: Ed Okerson <eokerson@quicknet.net> CC: linux-serial@vger.kernel.org CC: boti@rocketmail.com CC: linux-usb@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in net pcmcia driversDominik Brodowski
Use the config loop helper in (some) net pcmcia drivers. CC: netdev@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in ISDN pcmcia driversDominik Brodowski
Use the config loop helper in ISDN pcmcia drivers. CC: Karsten Keil <kkeil@suse.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in scsi pcmcia driversDominik Brodowski
Use the config loop helper in scsi pcmcia drivers. CC: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> CC: linux-scsi@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in bluetooth driversDominik Brodowski
Use the config loop helper in bluetooth pcmcia drivers. CC: Marcel Holtmann <marcel@holtmann.org> CC: linux-bluetooth@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: use pcmcia_loop_config in pata and ide driversDominik Brodowski
Use the config loop helper in pata_pcmcia and ide_cs CC: Tejun Heo <htejun@gmail.com> CC: Alan Cox <alan@lxorguk.ukuu.org.uk> CC: linux-ide@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: add pcmcia_loop_config() helperDominik Brodowski
By calling pcmcia_loop_config(), a pcmcia driver can iterate over all available configuration options. During a driver's probe() phase, one doesn't need to use pcmcia_get_{first,next}_tuple, pcmcia_get_tuple_data and pcmcia_parse_tuple directly in most if not all cases. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-23pcmcia: uniform device IDs of pata_pcmcia and ide-csDominik Brodowski
Over time, a few differences have accumulated between pata_pcmcia and ide-cs. Fix those. CC: linux-ide@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-08-02pcmcia: only copy CIS override data onceDominik Brodowski
Instead of copying CIS override data in socket_sysfs.c or ds.c, and then again in cistpl.c, only do so once. Also, cisdump_t is now only used by the deprecated ioctl. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2008-07-28Linux 2.6.27-rc1Linus Torvalds
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: turn Waker into a thread, not a process lguest: Enlarge virtio rings lguest: Use GSO/IFF_VNET_HDR extensions on tun/tap lguest: Remove 'network: no dma buffer!' warning lguest: Adaptive timeout lguest: Tell Guest net not to notify us on every packet xmit lguest: net block unneeded receive queue update notifications lguest: wrap last_avail accesses. lguest: use cpu capability accessors lguest: virtio-rng support lguest: Support assigning a MAC address lguest: Don't leak /dev/zero fd lguest: fix verbose printing of device features. lguest: fix switcher_page leak on unload lguest: Guest int3 fix lguest: set max_pfn_mapped, growl loudly at Yinghai Lu
2008-07-28Merge branch 'for-linus' of git://git.o-hand.com/linux-mfdLinus Torvalds
* 'for-linus' of git://git.o-hand.com/linux-mfd: mfd: accept pure device as a parent, not only platform_device mfd: add platform_data to mfd_cell mfd: Coding style fixes mfd: Use to_platform_device instead of container_of
2008-07-28Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits) x86/PCI: use dev_printk when possible PCI: add D3 power state avoidance quirk PCI: fix bogus "'device' may be used uninitialized" warning in pci_slot PCI: add an option to allow ASPM enabled forcibly PCI: disable ASPM on pre-1.1 PCIe devices PCI: disable ASPM per ACPI FADT setting PCI MSI: Don't disable MSIs if the mask bit isn't supported PCI: handle 64-bit resources better on 32-bit machines PCI: rewrite PCI BAR reading code PCI: document pci_target_state PCI hotplug: fix typo in pcie hotplug output x86 gart: replace to_pages macro with iommu_num_pages x86, AMD IOMMU: replace to_pages macro with iommu_num_pages iommu: add iommu_num_pages helper function dma-coherent: add documentation to new interfaces Cris: convert to using generic dma-coherent mem allocator Sh: use generic per-device coherent dma allocator ARM: support generic per-device coherent dma mem Generic dma-coherent: fix DMA_MEMORY_EXCLUSIVE x86: use generic per-device dma coherent allocator ...
2008-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] qla2xxx: fix msleep compile error
2008-07-28Fix 'get_user_pages_fast()' with non-page-aligned start addressLinus Torvalds
Alexey Dobriyan reported trouble with LTP with the new fast-gup code, and Johannes Weiner debugged it to non-page-aligned addresses, where the new get_user_pages_fast() code would do all the wrong things, including just traversing past the end of the requested area due to 'addr' never matching 'end' exactly. This is not a pretty fix, and we may actually want to move the alignment into generic code, leaving just the core code per-arch, but Alexey verified that the vmsplice01 LTP test doesn't crash with this. Reported-and-tested-by: Alexey Dobriyan <adobriyan@gmail.com> Debugged-by: Johannes Weiner <hannes@saeurebad.de> Cc: Nick Piggin <npiggin@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-29lguest: turn Waker into a thread, not a processRusty Russell
lguest uses a Waker process to break it out of the kernel (ie. actually running the guest) when file descriptor needs attention. Changing this from a process to a thread somewhat simplifies things: it can directly access the fd_set of things to watch. More importantly, it means that the Waker can see Guest memory correctly, so /dev/vring file descriptors will work as anticipated (the alternative is to actually mmap MAP_SHARED, but you can't do that with /dev/zero). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Enlarge virtio ringsRusty Russell
With big packets, 128 entries is a little small. Guest -> Host 1GB TCP: Before: 8.43625 seconds xmit 95640 recv 198266 timeout 49771 usec 1252 After: 8.01099 seconds xmit 49200 recv 102263 timeout 26014 usec 2118 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Use GSO/IFF_VNET_HDR extensions on tun/tapRusty Russell
Guest -> Host 1GB TCP: Before 20.1974 seconds xmit 214510 recv 5 timeout 214491 usec 278 After 8.43625 seconds xmit 95640 recv 198266 timeout 49771 usec 1252 Host -> Guest 1GB TCP: Before: Seconds 9.98854 xmit 172166 recv 5344 timeout 172157 usec 251 After: Seconds 5.72803 xmit 244322 recv 9919 timeout 244302 usec 156 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Remove 'network: no dma buffer!' warningRusty Russell
This warning can happen a lot under load, and it should be warnx not warn anwyay. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Adaptive timeoutRusty Russell
Since the correct timeout value varies, use a heuristic which adjusts the timeout depending on how many packets we've seen. This gives slightly worse results, but doesn't need tweaking when GSO is introduced. 500 usec 19.1887 xmit 561141 recv 1 timeout 559657 Dynamic (278) 20.1974 xmit 214510 recv 5 timeout 214491 usec 278 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Tell Guest net not to notify us on every packet xmitRusty Russell
virtio_ring has the ability to suppress notifications. This prevents a guest exit for every packet, but we need to set a timer on packet receipt to re-check if there were any remaining packets. Here are the times for 1G TCP Guest->Host with different timeout settings (it matters because the TCP window doesn't grow big enough to fill the entire buffer): Timeout value Seconds Xmit/Recv/Timeout None (before) 25.3784 xmit 7750233 recv 1 2500 usec 62.5119 xmit 207020 recv 2 timeout 207020 1000 usec 34.5379 xmit 207003 recv 2 timeout 207003 750 usec 29.2305 xmit 207002 recv 1 timeout 207002 500 usec 19.1887 xmit 561141 recv 1 timeout 559657 250 usec 20.0465 xmit 214128 recv 2 timeout 214110 100 usec 19.2583 xmit 561621 recv 1 timeout 560153 (Note that these values are sensitive to the GSO patches which come later, and probably other traffic-related variables, so take with a large grain of salt). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: net block unneeded receive queue update notificationsRusty Russell
Number of exits transmitting 10GB Guest->Host before: network xmit 7858610 recv 118136 After: network xmit 7750233 recv 1 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: wrap last_avail accesses.Rusty Russell
To simplify the transition to when we publish indices in the ring (and make shuffling my patch queue easier), wrap them in a lg_last_avail() macro. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: use cpu capability accessorsAndrew Morton
To support my little make-x86-bitops-use-proper-typechecking projectlet. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrea Arcangeli <andrea@qumranet.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: virtio-rng supportRusty Russell
This is a simple patch to add support for the virtio "hardware random generator" to lguest. It gets about 1.2 MB/sec reading from /dev/hwrng in the guest. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Support assigning a MAC addressMark McLoughlin
If you've got a nice DHCP configuration which maps MAC addresses to specific IP addresses, then you're going to want to start your guest with one of those MAC addresses. Also, in Fedora, we have persistent network interface naming based on the MAC address, so with randomly assigned addresses you're soon going to hit eth13. Who knows what will happen then! Allow assigning a MAC address to the network interface with e.g. --tunnet=bridge:eth0:00:FF:95:6B:DA:3D or: --tunnet=192.168.121.1:00:FF:95:6B:DA:3D which is pretty unintelligable, but ... (includes Rusty's minor rework) Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Don't leak /dev/zero fdMark McLoughlin
Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: fix verbose printing of device features.Rusty Russell
%02x is more appropriate for bytes than %08x. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: fix switcher_page leak on unloadJohannes Weiner
map_switcher allocates the array, unmap_switcher has to free it accordingly. Signed-off-by: Johannes Weiner <hannes@saeurebad.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: Guest int3 fixRusty Russell
Ron Minnich noticed that guest userspace gets a GPF when it tries to int3: we need to copy the privilege level from the guest-supplied IDT to the real IDT. int3 is the only common case where guest userspace expects to invoke an interrupt, so that's the symptom of failing to do this. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-29lguest: set max_pfn_mapped, growl loudly at Yinghai LuRusty Russell
6af61a7614a306fe882a0c2b4ddc63b65aa66efc 'x86: clean up max_pfn_mapped usage - 32-bit' makes the following comment: XEN PV and lguest may need to assign max_pfn_mapped too. But no CC. Yinghai, wasting fellow developers' time is a VERY bad habit. If you do it again, I will hunt you down and try to extract the three hours of my life I just lost :) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Yinghai Lu <yhlu.kernel@gmail.com>
2008-07-29mfd: accept pure device as a parent, not only platform_deviceDmitry Baryshkov
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2008-07-28include/asm-generic/pgtable-nopmd.h: macros are noxious, reason #435Andrew Morton
arch/x86/mm/pgtable.c: In function 'pgd_mop_up_pmds': arch/x86/mm/pgtable.c:194: warning: unused variable 'pmd' Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-28sh7760fb: write colormap value to hardwareManuel Lauss
The computed color value is never actually written to hardware colormap register. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Cc: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Cc: Munakata Hisao <munakata.hisao@renesas.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-28eCryptfs: use page_alloc not kmalloc to get a page of memoryEric Sandeen
With SLUB debugging turned on in 2.6.26, I was getting memory corruption when testing eCryptfs. The root cause turned out to be that eCryptfs was doing kmalloc(PAGE_CACHE_SIZE); virt_to_page() and treating that as a nice page-aligned chunk of memory. But at least with SLUB debugging on, this is not always true, and the page we get from virt_to_page does not necessarily match the PAGE_CACHE_SIZE worth of memory we got from kmalloc. My simple testcase was 2 loops doing "rm -f fileX; cp /tmp/fileX ." for 2 different multi-megabyte files. With this change I no longer see the corruption. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Acked-by: Rik van Riel <riel@redhat.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-28gpio: fix build on CONFIG_GPIO_SYSFS=nAtsushi Nemoto
If CONFIG_GENERIC_GPIO=y && CONFIG_GPIO_SYSFS=n, gpio_export() in asm-generic/gpio.h refers -ENOSYS and causes build error. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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