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2011-10-28direct-io: rearrange fields in dio/dio_submit to avoid holesAndi Kleen
Fix most problems reported by pahole. There is still a weird 104 byte hole after map_bh. I'm not sure what causes this. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28direct-io: fix a wrong commentAndi Kleen
There's nothing on the stack, even before my changes. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28direct-io: separate fields only used in the submission path from struct dioAndi Kleen
This large, but largely mechanic, patch moves all fields in struct dio that are only used in the submission path into a separate on stack data structure. This has the advantage that the memory is very likely cache hot, which is not guaranteed for memory fresh out of kmalloc. This also gives gcc more optimization potential because it can easier determine that there are no external aliases for these variables. The sdio initialization is a initialization now instead of memset. This allows gcc to break sdio into individual fields and optimize away unnecessary zeroing (after all the functions are inlined) Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: fix spinning prevention in prune_icache_sbChristoph Hellwig
We need to move the inode to the end of the list to actually make the spinning prevention explained in the comment above it work. With a plain list_move it will simply stay in place as we're always reclaiming from the head of the list. Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: add a comment to inode_permission()Andreas Gruenbacher
Acked-by: J. Bruce Fields <bfields@redhat.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andreas Gruenbacher <agruen@kernel.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: pass all mask flags check_acl and posix_acl_permissionAndreas Gruenbacher
Acked-by: J. Bruce Fields <bfields@redhat.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andreas Gruenbacher <agruen@kernel.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: add hex format for MAY_* flag valuesAneesh Kumar K.V
We are going to add more flags and having them in hex format make it simpler Acked-by: J. Bruce Fields <bfields@redhat.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: indicate that the permission functions take all the MAY_* flagsAndreas Gruenbacher
Acked-by: J. Bruce Fields <bfields@redhat.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andreas Gruenbacher <agruen@kernel.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28compat: sync compat_stats with statfs.Eric W. Biederman
This was found by inspection while tracking a similar bug in compat_statfs64, that has been fixed in mainline since decemeber. - This fixes a bug where not all of the f_spare fields were cleared on mips and s390. - Add the f_flags field to struct compat_statfs - Copy f_flags to userspace in case someone cares. - Use __clear_user to copy the f_spare field to userspace to ensure that all of the elements of f_spare are cleared. On some architectures f_spare is has 5 ints and on some architectures f_spare only has 4 ints. Which makes the previous technique of clearing each int individually broken. I don't expect anyone actually uses the old statfs system call anymore but if they do let them benefit from having the compat and the native version working the same. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (290 commits) Revert "drm/ttm: add a way to bo_wait for either the last read or last write" Revert "drm/radeon/kms: add a new gem_wait ioctl with read/write flags" vmwgfx: Don't pass unused arguments to do_dirty functions vmwgfx: Emulate depth 32 framebuffers drm/radeon: Lower the severity of the radeon lockup messages. drm/i915/dp: Fix eDP on PCH DP on CPT/PPT drm/i915/dp: Introduce is_cpu_edp() drm/i915: use correct SPD type value drm/i915: fix ILK+ infoframe support drm/i915: add DP test request handling drm/i915: read full receiver capability field during DP hot plug drm/i915/dp: Remove eDP special cases from bandwidth checks drm/i915/dp: Fix the math in intel_dp_link_required drm/i915/panel: Always record the backlight level again (but cleverly) i915: Move i915_read/write out of line drm/i915: remove transcoder PLL mashing from mode_set per specs drm/i915: if transcoder disable fails, say which drm/i915: set watermarks for third pipe on IVB drm/i915: export a CPT mode set verification function drm/i915: fix transcoder PLL select masking ...
2011-10-28Merge branch 'x86-vdso-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86-64, doc: Remove int 0xcc from entry_64.S documentation x86, vsyscall: Add missing <asm/fixmap.h> to arch/x86/mm/fault.c Fix up trivial conflicts in arch/x86/mm/fault.c (asm/fixmap.h vs asm/vsyscall.h: both work, which to use? Whatever..)
2011-10-28Merge branch 'x86-uv-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: uv2: Workaround for UV2 Hub bug (system global address format)
2011-10-28Merge branch 'x86-spinlocks-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-spinlocks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, ticketlock: remove obsolete comment x86, cmpxchg: Use __compiletime_error() to make usage messages a bit nicer x86, ticketlock: Make __ticket_spin_trylock common x86, ticketlock: Convert __ticket_spin_lock to use xadd() x86, ticketlock: Convert spin loop to C x86, ticketlock: Clean up types and accessors x86: Use xadd helper more widely x86: Add xadd helper macro x86, cmpxchg: Unify cmpxchg into cmpxchg.h x86, cmpxchg: Move 64-bit set64_bit() to match 32-bit x86, cmpxchg: Move 32-bit __cmpxchg_wrong_size to match 64 bit. x86, cmpxchg: <linux/alternative.h> has LOCK_PREFIX
2011-10-28Merge branch 'x86-rdrand-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-rdrand-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, random: Verify RDRAND functionality and allow it to be disabled x86, random: Architectural inlines to get random integers with RDRAND random: Add support for architectural random hooks Fix up trivial conflicts in drivers/char/random.c: the architectural random hooks touched "get_random_int()" that was simplified to use MD5 and not do the keyptr thing any more (see commit 6e5714eaf77d: "net: Compute protocol sequence numbers and fragment IDs using MD5").
2011-10-28Merge branch 'x86-microcode-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, microcode, AMD: Add microcode revision to /proc/cpuinfo x86, microcode: Correct microcode revision format coretemp: Get microcode revision from cpu_data x86, intel: Use c->microcode for Atom errata check x86, intel: Output microcode revision in /proc/cpuinfo x86, microcode: Don't request microcode from userspace unnecessarily Fix up trivial conflicts in arch/x86/kernel/cpu/amd.c (conflict between moving AMD BSP code to cpu_dev helper function and adding AMD microcode revision to /proc/cpuinfo code)
2011-10-28Merge branch 'x86-hyperv-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Hyper-V: Integrate the clocksource with Hyper-V detection code Fix up conflicts in drivers/staging/hv/Makefile manually (some of the hv code has moved out of staging to drivers/hv/)
2011-10-28Merge branch 'x86-geode-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-geode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: geode: New PCEngines Alix system driver
2011-10-28Merge branch 'x86-cpufeature-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, cpu: Add cpufeature flag for PCIDs
2011-10-28Merge branch 'x86-cpu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, amd: Include linux/elf.h since we use stuff from asm/elf.h x86: cache_info: Update calculation of AMD L3 cache indices x86: cache_info: Kill the atomic allocation in amd_init_l3_cache() x86: cache_info: Kill the moronic shadow struct x86: cache_info: Remove bogus free of amd_l3_cache data x86, amd: Include elf.h explicitly, prepare the code for the module.h split x86-32, amd: Move va_align definition to unbreak 32-bit build x86, amd: Move BSP code to cpu_dev helper x86: Add a BSP cpu_dev helper x86, amd: Avoid cache aliasing penalties on AMD family 15h
2011-10-28vfs: add "device" tag to /proc/self/mountstatsBryan Schumaker
nfsiostat was failing to find mounted filesystems on kernels after 2.6.38 because of changes to show_vfsstat() by commit c7f404b40a3665d9f4e9a927cc5c1ee0479ed8f9. This patch adds back the "device" tag before the nfs server entry so scripts can parse the mountstats file correctly. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> CC: stable@kernel.org [>=2.6.39] Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28cleanup: vfs: small comment fix for block_invalidatepageWang Sheng-Hui
The patch is aganist 3.1-rc3. Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28vfs: iov_iter: have iov_iter_advance decrement nr_segs appropriatelyJeff Layton
Currently, when you call iov_iter_advance, then the pointer to the iovec array can be incremented, but it does not decrement the nr_segs value in the iov_iter struct. The result is a iov_iter struct with a nr_segs value that goes beyond the end of the array. While I'm not aware of anything that's specifically broken by this, it seems odd and a bit dangerous not to decrement that value. If someone were to trust the nr_segs value to be correct, then they could end up walking off the end of the array. Changing this might also provide some micro-optimization when dealing with the last iovec in an array. Many of the other routines that deal with iov_iter have optimized codepaths when nr_segs == 1. Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2011-10-28perf tools: Fix a typo of command name as trace-cmdMasami Hiramatsu
Fix a typo which may be introduced when original code has been copied from trace-cmd. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: yrl.pp-manager.tt@hitachi.com Link: http://lkml.kernel.org/r/20111004104456.14591.37395.stgit@fedora15 Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-28sh: userimask.c needs linux/stat.hNobuhiro Iwamatsu
This fix the problem that S_IRUSR and S_IWUSR are not solved in userimask.c. ----- CC drivers/usb/host/r8a66597-hcd.o drivers/sh/intc/userimask.c:57: error: ‘S_IRUSR’ undeclared here (not in a function) drivers/sh/intc/userimask.c:57: error: ‘S_IWUSR’ undeclared here (not in a function) CC drivers/watchdog/shwdt.o ----- Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: pfc: Add GPIO IRQ supportMagnus Damm
Add GPIO IRQ support to the shared PFC code in drivers/sh/pfc.c The enums pointed out by a certain GPIO will be matched against a table for IRQ to enum mappings. Only the shared PFC code is updated by this patch. SoC specific changes are also needed to allow platforms to make use of this feature. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: modify the asm/sh_eth.h to linux/sh_eth.h in some boardsYoshihiro Shimoda
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: pfc: Remove unused gpio_in_use memberMagnus Damm
Remove unused member gpio_in_use from struct pinmux_info. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: add parameters for EHCI and RIIC in clock-sh7757.cYoshihiro Shimoda
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: kexec: Add PHYSICAL_STARTSimon Horman
Add PHYSICAL_START kernel configuration parameter to set the address at which the kernel should be loaded. It has been observed on an sh7757lcr that simply modifying MEMORY_START does not achieve this goal for 32bit sh. This is due to MEMORY_OFFSET in arch/sh/kernel/vmlinux.lds.S bot being based on MEMORY_START on such systems. Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28SH: irq: Remove IRQF_DISABLEDYong Zhang
Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: pfc: get_config_reg() shift clean upMagnus Damm
Clean up the f_width shift code in get_config_reg(). Reported-by: Ryusuke Sakato <ryusuke.sakato.bx@renesas.com> Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: intc: Add IRQ trigger bit field checkMagnus Damm
R-Mobile SoCs such as sh73a0 include PINT blocks in INTC that come with 2-bit IRQ trigger support. Add code to make sure the bit width is checked so 4-bit only modes like for instance EDGE_BOTH will fail for PINT. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28sh: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28Merge branches 'sh/core' and 'sh/kexec' into sh-latestPaul Mundt
2011-10-28Merge branch 'master' of ↵Paul Mundt
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
2011-10-28ipv6: fix error propagation in ip6_ufo_append_data()Zheng Yan
We should return errcode from sock_alloc_send_skb() Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27stmmac: update normal descriptor structure (v2)Giuseppe CAVALLARO
This patch updates the normal descriptor structure to work fine on new GMAC Synopsys chips. Normal descriptors were designed on the old MAC10/100 databook 1.91 where some bits were reserved: for example the tx checksum insertion and rx checksum offload. The patch maintains the back-compatibility with old MAC devices (tested on STx7109 MAC10/100) and adds new fields that actually new GMAC devices can use. For example, STx7109 (MAC10/100) will pass from the platform tx_coe = 0, enh_desc = 0, has_gmac = 0. A platform like Loongson1B (GMAC) will pass: tx_coe = 1, enh_desc = 0, has_gmac = 1. Thanks to Kelvin, he enhanced the normal descriptors for GMAC (on MIPS Loongson1B platform). Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27stmmac: fix NULL pointer dereference in capabilities fixup (v2)Angus Clark
Signed-off-by: Angus Clark <angus.clark@st.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27stmmac: fix a bug while checking the HW cap reg (v2)Giuseppe CAVALLARO
The patch fixes a bug while checking the HW cap reg on old MAC10/100 where this feature is not available. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27be2net: Changing MAC Address of a VF was broken.Somnath Kotur
Allow for MAC Address change of VF(SR-IOV case) on the fly- First add and then delete MAC Address to allow for 'out of pool' errors. When MAC Addr configured from a VM, the MAC on the NIC will aleady have the supplied MAC,so just copy the supplied MAC to the netdev structure before returning success to the stack Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27be2net: Refactored be_cmds.c file.Somnath Kotur
Moved the .sge. field's population inside be_cmd_hdr_prepare. Populating wrb->tag0 and tag1 inside be_cmd_hdr_prepare Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27Fix build break when freezer not configuredSteve French
fs/cifs/transport.c: In function 'wait_for_response': fs/cifs/transport.c:328: error: implicit declaration of function 'wait_event_freezekillable' Caused by commit f06ac72e9291 ("cifs, freezer: add wait_event_freezekillable and have cifs use it"). In this config, CONFIG_FREEZER is not set. Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com> CC: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2011-10-27Add definition for share encryptionSteve French
Samba supports a setfs info level to negotiate encrypted shares. This patch adds the defines so we recognize this info level. Later patches will add the enablement for it. Acked-by: Jeremy Allison <jra@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2011-10-27bnx2x: update driver version to 1.70.30-0Dmitry Kravkov
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: use FW 7.0.29.0Dmitry Kravkov
The FW includes the following fixes: 1. (iSCSI) Arrival of un-solicited ASYNC message causes firmware to abort the connection with RST. 2. (FCoE) There is a probability that truncated FCoE packet on RX path won't get detected which might lead to FW assert. 3. (iSCSI) Arrival of target-initiated NOP-IN during intense ISCSI traffic might lead to FW assert. 4. (iSCSI) Chip hangs when in case of retransmission not aligned to 4-bytes from the beginning of iSCSI PDU. 5. (FCoE) Arrival of packets beyond task IO size can lead to crash. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: Enable changing speed when port type is PORT_DAYaniv Rosner
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: Fix 54618se LED behaviorYaniv Rosner
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: Fix RX/TX problem caused by the MAC layerYaniv Rosner
This patch fixes a problem in which the host stops receiving data after restarting the interface. This issue is caused by combination of incorrect data path tap closure, along with missing MAC reset. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: Add link retry to 578xx-KRYaniv Rosner
This fix solves a problem of no link on 578xx-KR by retrying to link up to four timer using the periodic function. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-27bnx2x: Fix LED blink rate for 578xxYaniv Rosner
Adjust blink rate on 578xx to fit its clock rate. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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