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2011-11-18Merge branch 'unicore32' of git://github.com/gxt/linuxLinus Torvalds
* 'unicore32' of git://github.com/gxt/linux: unicore32, exec: remove redundant set_fs(USER_DS) unicore32: Fix typo 'PUV3_I2C' unicore32: drop unused Kconfig symbols rtc: rtc-puv3: Add __devinit and __devexit markers for probe and remove arch/unicore32: do not use EXTRA_AFLAGS or EXTRA_CFLAGS unicore32: fix build error for find bitops
2011-11-18Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/signal32: Fix sigset_t conversion when copying to user powerpc: Fix atomic_xxx_return barrier semantics powerpc: Remove buggy 9-year-old test for binutils < 2.12.1 powerpc/book3e-64: Fix debug support for userspace powerpc: Remove extraneous CONFIG_PPC_ADV_DEBUG_REGS define powerpc: Revert show_regs() define for readability powerpc/ps3: Fix SMP lockdep boot warning powerpc/ps3: Fix lost SMP IPIs powerpc: Add hvcall.h include to book3s_hv.c powerpc/trace: Add a dummy stack frame for trace_hardirqs_off powerpc: Copy down exception vectors after feature fixups powerpc: panic if we can't instantiate RTAS powerpc/4xx: Fix typos in kexec config dependencies powerpc/fsl: MCU_MPC8349EMITX wants I2C built-in, modular won't do... powerpc/fsl_udc_core: Fix dumb typo carma-fpga: Missed switch from of_register_platform_driver() powerpc: Fix build breakage in jump_label.c
2011-11-18Merge branch 'for-linus' of git://git.selinuxproject.org/~jmorris/linux-securityLinus Torvalds
* 'for-linus' of git://git.selinuxproject.org/~jmorris/linux-security: encrypted-keys: module build fixes encrypted-keys: fix error return code Smack: smackfs cipso seq read repair
2011-11-18sparc64: Patch sun4v code sequences properly on module load.David S. Miller
Some of the sun4v code patching occurs in inline functions visible to, and usable by, modules. Therefore we have to patch them up during module load. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18sky2: fix hang in napi_disablestephen hemminger
If IRQ was never initialized, then calling napi_disable() would hang. Add more bookkeeping to track whether IRQ was ever initialized. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18sky2: enforce minimum ring sizestephen hemminger
The hardware has a restriction that the minimum ring size possible is 128. The number of elements used is controlled by tx_pending and the overall number of elements in the ring tx_ring_size, therefore it is okay to limit the number of elements in use to a small value (63) but still provide a bigger ring. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18sparc: Kill custom io_remap_pfn_range().David S. Miller
To handle the large physical addresses, just make a simple wrapper around remap_pfn_range() like MIPS does. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18bonding: Don't allow mode change via sysfs with slaves presentVeaceslav Falico
When changing mode via bonding's sysfs, the slaves are not initialized correctly. Forbid to change modes with slaves present to ensure that every slave is initialized correctly via bond_enslave(). Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Acked-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18Merge branch 'encrypted-key-fixes' of ↵James Morris
git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into for-linus
2011-11-18Merge branch 'for-1111' of git://gitorious.org/smack-next/kernel into for-linusJames Morris
2011-11-17Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2011-11-17f_phonet: fix page offset of first received fragmentRémi Denis-Courmont
We pull one byte (the MAC header) from the first fragment before the fragment is actually appended. So the socket buffer length is 1, not 0. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17PM / shmobile: Fix build of sh7372_pm_init() for CONFIG_PM unsetRafael J. Wysocki
Fix build regression introduced by commit 056879d2f244001b2888cdc8cf (ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix) by moving the intialization of the A3SP domain to a separate function and providing an empty definition of it for CONFIG_PM unset. Reported-and-tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-11-17PM Sleep: Do not extend wakeup paths to devices with ignore_children setRafael J. Wysocki
Commit 4ca46ff3e0d8c234cb40ebb6457653b59584426c (PM / Sleep: Mark devices involved in wakeup signaling during suspend) introduced the power.wakeup_path field in struct dev_pm_info to mark devices whose children are enabled to wake up the system from sleep states, so that power domains containing the parents that provide their children with wakeup power and/or relay their wakeup signals are not turned off. Unfortunately, that introduced a PM regression on SH7372 whose power consumption in the system "memory sleep" state increased as a result of it, because it prevented the power domain containing the I2C controller from being turned off when some children of that controller were enabled to wake up the system, although the controller was not necessary for them to signal wakeup. To fix this issue use the observation that devices whose power.ignore_children flag is set for runtime PM should be treated analogously during system suspend. Namely, they shouldn't be included in wakeup paths going through their children. Since the SH7372 I2C controller's power.ignore_children flag is set, doing so will restore the previous behavior of that SOC. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-17p54spi: Fix workqueue deadlockMichael Büsch
priv->work must not be synced while priv->mutex is locked, because the mutex is taken in the work handler. Move cancel_work_sync down to after the device shutdown code. This is safe, because the work handler checks fw_state and bails out early in case of a race. Signed-off-by: Michael Buesch <m@bues.ch> Cc: <stable@vger.kernel.org> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17p54spi: Add missing spin_lock_initMichael Büsch
The tx_lock is not initialized properly. Add spin_lock_init(). Signed-off-by: Michael Buesch <m@bues.ch> Cc: <stable@vger.kernel.org> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17rt2x00: Fix efuse EEPROM reading on PPC32.Gertjan van Wingerde
Fix __le32 to __le16 conversion of the first word of an 8-word block of EEPROM read via the efuse method. Reported-and-tested-by: Ingvar Hagelund <ingvar@redpill-linpro.com> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> CC: <stable@vger.kernel.org> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17rt2x00: handle spurious pci interruptsStanislaw Gruszka
We have documented case of very bad performance issue on rt2800pci device, because it generate spurious interrupt, what cause irq line is disabled: https://bugzilla.redhat.com/show_bug.cgi?id=658451 We already address that problem in separate patch by returning IRQ_HANDLED from interrupt handler. We think similar fix is needed for other rt2x00 PCI devices, because users report performance problems on these devices too. Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17rt2800pci: handle spurious interruptsStanislaw Gruszka
Some devices may generate spurious interrupts, we have to handle them otherwise interrupt line will be disabled with below message and driver will not work: [ 2052.114334] irq 17: nobody cared (try booting with the "irqpoll" option) [ 2052.114339] Pid: 0, comm: swapper Tainted: P 2.6.35.6-48.fc14.x86_64 #1 [ 2052.114341] Call Trace: [ 2052.114342] <IRQ> [<ffffffff810a6e2b>] __report_bad_irq.clone.1+0x3d/0x8b [ 2052.114349] [<ffffffff810a6f93>] note_interrupt+0x11a/0x17f [ 2052.114352] [<ffffffff810a7a73>] handle_fasteoi_irq+0xa8/0xce [ 2052.114355] [<ffffffff8100c2ea>] handle_irq+0x88/0x90 [ 2052.114357] [<ffffffff8146f034>] do_IRQ+0x5c/0xb4 [ 2052.114360] [<ffffffff81469593>] ret_from_intr+0x0/0x11 [ 2052.114361] <EOI> [<ffffffff8102b7f9>] ? native_safe_halt+0xb/0xd [ 2052.114366] [<ffffffff81010f03>] ? need_resched+0x23/0x2d [ 2052.114367] [<ffffffff8101102a>] default_idle+0x34/0x4f [ 2052.114370] [<ffffffff81008325>] cpu_idle+0xaa/0xcc [ 2052.114373] [<ffffffff81461f2a>] start_secondary+0x24d/0x28e [ 2052.114374] handlers: [ 2052.114375] [<ffffffff81332944>] (usb_hcd_irq+0x0/0x7c) [ 2052.114378] [<ffffffffa00697da>] (rt2800pci_interrupt+0x0/0x18d [rt2800pci]) [ 2052.114384] Disabling IRQ #17 Resolve: https://bugzilla.redhat.com/show_bug.cgi?id=658451 Reported-and-tested-by: Amir Hedayaty <hedayaty@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2011-11-17Merge 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] hpsa: Disable ASPM [SCSI] aacraid: controller hangs if kernel uses non-default ASPM policy [SCSI] mpt2sas: add missing allocation. [SCSI] Silencing 'killing requests for dead queue' [SCSI] fix WARNING: at drivers/scsi/scsi_lib.c:1704
2011-11-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix the connection selection of ADCs on Cirrus codecs ALSA: hda - Update URLs in document ALSA: hda - move eld->spk_alloc fixup to hdmi_update_eld() ALSA: hda - delayed ELD repoll ALSA: hda - fix ELD memory leak ALSA: hda/realtek: remove redundant semicolon ALSA: hda - pwr_nids cleanup for IDT codecs
2011-11-17ARM: wire up process_vm_writev and process_vm_readv syscallsRussell King
These two syscalls were introduced during the last merge window. Add the entries into the ARM call tables for them. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-11-17Revert "KVM: PPC: Add support for explicit HIOR setting"Alexander Graf
This reverts commit a15bd354f083f20f257db450488db52ac27df439. It exceeded the padding on the SREGS struct, rendering the ABI backwards-incompatible. Conflicts: arch/powerpc/kvm/powerpc.c include/linux/kvm.h Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: VMX: Check for automatic switch msr table overflowGleb Natapov
Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: VMX: Add support for guest/host-only profilingGleb Natapov
Support guest/host-only profiling by switch perf msrs on a guest entry if needed. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: VMX: add support for switching of PERF_GLOBAL_CTRLGleb Natapov
Some cpus have special support for switching PERF_GLOBAL_CTRL msr. Add logic to detect if such support exists and works properly and extend msr switching code to use it if available. Also extend number of generic msr switching entries to 8. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: s390: announce SYNC_MMUChristian Borntraeger
KVM on s390 always had a sync mmu. Any mapping change in userspace mapping was always reflected immediately in the guest mapping. - In older code the guest mapping was just an offset - In newer code the last level page table is shared Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: s390: Fix tprot lockingChristian Borntraeger
There is a potential host deadlock in the tprot intercept handling. We must not hold the mmap semaphore while resolving the guest address. If userspace is remapping, then the memory detection in the guest is broken anyway so we can safely separate the address translation from walking the vmas. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: s390: handle SIGP sense running interceptsCornelia Huck
SIGP sense running may cause an intercept on higher level virtualization, so handle it by checking the CPUSTAT_RUNNING flag. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17KVM: s390: Fix RUNNING flag misinterpretationCornelia Huck
CPUSTAT_RUNNING was implemented signifying that a vcpu is not stopped. This is not, however, what the architecture says: RUNNING should be set when the host is acting on the behalf of the guest operating system. CPUSTAT_RUNNING has been changed to be set in kvm_arch_vcpu_load() and to be unset in kvm_arch_vcpu_put(). For signifying stopped state of a vcpu, a host-controlled bit has been used and is set/unset basically on the reverse as the old CPUSTAT_RUNNING bit (including pushing it down into stop handling proper in handle_stop()). Cc: stable@kernel.org Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-11-17Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Fix irqfixup, irqpoll regression
2011-11-17fix typo/thinko in get_random_bytes()Luck, Tony
If there is an architecture-specific random number generator we use it to acquire randomness one "long" at a time. We should put these random words into consecutive words in the result buffer - not just overwrite the first word again and again. Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-17platform/x86: fix dell-laptop function prototypesRandy Dunlap
Fix build warnings: drivers/platform/x86/dell-laptop.c:592:13: warning: function declaration isn't a prototype drivers/platform/x86/dell-laptop.c:599:13: warning: function declaration isn't a prototype Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-17media/staging: fix allyesconfig build errorRandy Dunlap
Fix x86 allyesconfig builds. Builds fail due to a non-static variable named 'debug' in drivers/staging/media/as102: arch/x86/built-in.o:arch/x86/kernel/entry_32.S:1296: first defined here ld: Warning: size of symbol `debug' changed from 90 in arch/x86/built-in.o to 4 in drivers/built-in.o Thou shalt have no non-static identifiers that are named 'debug'. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Pierrick Hascoet <pierrick.hascoet@abilis.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-17hwmon: (exynos4_tmu) Fix Kconfig dependencyDonggeun Kim
Rename dependency of EXYNOS4_TMU in Kconfig to the existing one. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-11-17stmmac: fix pm functions avoiding sleep on spinlockFrancesco Virlinzi
This patch fixes the pm functions to avoid the system sleeps while a spinlock is taken. Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17stmmac: remove spin_lock in stmmac_ioctl.Srinivas Kandagatla
This patch removes un-needed spin_lock in stmmac_ioctl while reading and writing mdio registers. While holding spin_lock the code must be atomic, which is not true in this case as both mdiobus_read and writes have mutex locks. Without this patch reading mdio registers via mii-tool results in below BUG: mii-tool -vvv eth0" Using SIOCGMIIPHY=0x8947 BUG: sleeping function called from invalid context at kernel/mutex.c:287 in_atomic(): 1, irqs_disabled(): 0, pid: 614, name: mii-tool 2 locks held by mii-tool/614: #0: (rtnl_mutex){......}, at: [<c01fd80c>] dev_ioctl+0x550/0x674 #1: (&priv->lock){......}, at: [<c01b34ec>] stmmac_ioctl+0x4c/0x78 [<c002ea14>] (unwind_backtrace+0x0/0xcc) from [<c0272c38>] (mutex_lock_nested+0x24/0x35c) [<c0272c38>] (mutex_lock_nested+0x24/0x35c) from [<c01b237c>] (mdiobus_read+0x44/0x70) [<c01b237c>] (mdiobus_read+0x44/0x70) from [<c01b0c64>] (phy_mii_ioctl+0x4c/0x138) [<c01b0c64>] (phy_mii_ioctl+0x4c/0x138) from [<c01b34fc>] (stmmac_ioctl+0x5c/0x78) [<c01b34fc>] (stmmac_ioctl+0x5c/0x78) from [<c01fcec8>] (dev_ifsioc+0x2a4/0x2c8) [<c01fcec8>] (dev_ifsioc+0x2a4/0x2c8) from [<c01fd81c>] (dev_ioctl+0x560/0x674) [<c01fd81c>] (dev_ioctl+0x560/0x674) from [<c00c36e0>] (vfs_ioctl+0x2c/0x8c) [<c00c36e0>] (vfs_ioctl+0x2c/0x8c) from [<c00c4130>] (do_vfs_ioctl+0x530/0x578) [<c00c4130>] (do_vfs_ioctl+0x530/0x578) from [<c00c41ac>] (sys_ioctl+0x34/0x54) [<c00c41ac>] (sys_ioctl+0x34/0x54) from [<c0028aa0>] (ret_fast_syscall+0x0/0x2c) Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17stmmac: parameters auto-tuning through HW cap regGiuseppe CAVALLARO
New GMAC devices (newer than the databook 3.50a) have the HW capability register that provides which features are actually supported by the hardware. On old devices many information have to be passed through the platform, for example: enhanced descriptor structure, TX COE etc. These are mandatory to properly configure the driver. This remains still valid because the driver has to support old Synopsys devices but now it's also able to override them using the values from the HW capability register if supported. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17stmmac: fix advertising 1000Base capabilties for non GMII ifaceSrinivas Kandagatla
This patch fixes the way to stop the 1000Base advertising capabilties for non GMII interfaces. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17stmmac: use mdelay on timeout of sw resetFrancesco Virlinzi
This patch uses an mdelay to manage the timeout on sw reset to be independant of cpu_clk. Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com> Reviewed-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17powerpc/signal32: Fix sigset_t conversion when copying to userWill Deacon
On PPC64, put_sigset_t converts a sigset_t to a compat_sigset_t before copying it to userspace. There is a typo in the case that we have 4 words to copy, meaning that we corrupt the compat_sigset_t. It appears that _NSIG_WORDS can't be greater than 2 at the moment so this code is probably always optimised away anyway. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-17powerpc: Fix atomic_xxx_return barrier semanticsBenjamin Herrenschmidt
The Documentation/memory-barriers.txt document requires that atomic operations that return a value act as a memory barrier both before and after the actual atomic operation. Our current implementation doesn't guarantee this. More specifically, while a load following the isync can not be issued before stwcx. has completed, that completion doesn't architecturally means that the result of stwcx. is visible to other processors (or any previous stores for that matter) (typically, the other processors L1 caches can still hold the old value). This has caused an actual crash in RCU torture testing on Power 7 This fixes it by changing those atomic ops to use new macros instead of RELEASE/ACQUIRE barriers, called ATOMIC_ENTRY and ATMOIC_EXIT barriers, which are then defined respectively to lwsync and sync. I haven't had a chance to measure the performance impact (or rather what I measured with kernel compiles is in the noise, I yet have to find a more precise benchmark) Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2011-11-17powerpc: Remove buggy 9-year-old test for binutils < 2.12.1Kyle Moffett
Recent binutils refuses to assemble AltiVec opcodes when in e500/SPE mode, as some of those opcodes alias the "SPE" instructions. This triggers an ancient binutils version check even when building a kernel with CONFIG_ALTIVEC disabled. In theory, the check could be conditionalized on CONFIG_ALTIVEC, but in practice it has long outlived its utility. It is virtually impossible to find binutils older than 2.12.1 (released 2002) in the wild anymore. Even ancient RedHat Enterprise Linux 4 has binutils-2.14. To fix the kernel build when done natively on e500 systems with this new binutils, the test is simply removed. Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-17powerpc/book3e-64: Fix debug support for userspaceKumar Gala
With the introduction of CONFIG_PPC_ADV_DEBUG_REGS user space debug is broken on Book-E 64-bit parts that support delayed debug events. When switch_booke_debug_regs() sets DBCR0 we'll start getting debug events as MSR_DE is also set and we aren't able to handle debug events from kernel space. We can remove the hack that always enables MSR_DE and loads up DBCR0 and just utilize switch_booke_debug_regs() to get user space debug working again. We still need to handle critical/debug exception stacks & proper save/restore of state for those exception levles to support debug events from kernel space like we have on 32-bit. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-17powerpc: Remove extraneous CONFIG_PPC_ADV_DEBUG_REGS defineKumar Gala
All of DebugException is already protected by CONFIG_PPC_ADV_DEBUG_REGS there is no need to have another such ifdef inside the function. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-17powerpc: Revert show_regs() define for readabilityKumar Gala
We had an existing ifdef for 4xx & BOOKE processors that got changed to CONFIG_PPC_ADV_DEBUG_REGS. The define has nothing to do with CONFIG_PPC_ADV_DEBUG_REGS. The define really should be: #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) and not #ifdef CONFIG_PPC_ADV_DEBUG_REGS Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-17new helper: mount_subtree()Al Viro
takes vfsmount and relative path, does lookup within that vfsmount (possibly triggering automounts) and returns the result as root of subtree suitable for return by ->mount() (i.e. a reference to dentry and an active reference to its superblock grabbed, superblock locked exclusive). btrfs and nfs switched to it instead of open-coding the sucker. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-11-17sky2: version 1.30stephen hemminger
Update version number. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17sky2: used fixed RSS keystephen hemminger
Rather than generating a different RSS key on each boot, just use a predetermined value that will map same flow to same value on every device. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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