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2011-04-01powerpc/pmac/smp: Fix 32-bit PowerMac cpu_dieBenjamin Herrenschmidt
Use generic cpu_state, call idle_task_exit() properly, and remove smp_core99_cpu_die() which isn't useful, the generic function does the job just fine.
2011-04-01powerpc/smp: Remove unused smp_ops->cpu_enable()Benjamin Herrenschmidt
Remove the last remnants of cpu_enable(), everybody uses the normal __cpu_up() path now Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-04-01powerpc/smp: Remove unused generic_cpu_enable()Benjamin Herrenschmidt
Nobody uses it, besides we should always use the normal __cpu_up path anyways Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-04-01powerpc/smp: Fix generic_mach_cpu_die()Benjamin Herrenschmidt
This is used by some "soft" hotplug implementations. I needs to call idle_task_exit() when the CPU is going away, and we remove the now no-longer needed set_cpu_online() and local_irq_enable() which are handled by the return to start_secondary Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-04-01powerpc/smp: soft-replugged CPUs must go back to start_secondaryBenjamin Herrenschmidt
Various thing are torn down when a CPU is hot-unplugged. That CPU is expected to go back to start_secondary when re-plugged to re initialize everything, such as clock sources, maps, ... Some implementations just return from cpu_die() callback in the idle loop when the CPU is "re-plugged". This is not enough. We fix it using a little asm trampoline which resets the stack and calls back into start_secondary as if we were all fresh from boot. The trampoline already existed on ppc64, but we add it for ppc32 Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-04-01powerpc: Make decrementer interrupt robust against offlined CPUsBenjamin Herrenschmidt
With some implementations, it is possible that a timer interrupt occurs every few seconds on an offline CPU. In this case, just re-arm the decrementer and return immediately Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix build breakage - sn_force_interrupt_flag: undefined
2011-03-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix whitespace coding style issues nilfs2: fix oops due to a bad aops initialization nilfs2: fix data loss in mmap page write for hole blocks
2011-03-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: Create a new key type "ceph". libceph: Get secret from the kernel keys api when mounting with key=NAME. ceph: Move secret key parsing earlier. libceph: fix null dereference when unregistering linger requests ceph: unlock on error in ceph_osdc_start_request() ceph: fix possible NULL pointer dereference ceph: flush msgr_wq during mds_client shutdown
2011-03-30Merge branch 'irq-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: avr32: Fix missing irq namespace conversion powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chip genirq: Remove the now obsolete config options and select statements arm: versatile : Fix typo introduced in irq namespace cleanup sound: Fixup the last user of the old irq functions genirq: Remove obsolete comment genirq: Remove now obsolete set_irq_wake() sh: Fix irq cleanup fallout x86: apb_timer: Fixup genirq fallout genirq: Fix misnamed label in handle_edge_eoi_irq Fix up crazy conflict in arch/powerpc/include/asm/qe_ic.h: - commit eead4d5c63ff ("powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chip") made the helper functions use irq_desc_get_handler_data() instead of the legacy (and no longer existing) get_irq_desc_data. - commit d4db35e8dc96 ("powerpc/qe_ic: Fix another breakage from the irq_data conversion") used irq_desc_get_chip_data() instead. According to Thomas, the former is the correct direct conversion, but it does look like both should work (arch/powerpc/sysdev/qe_lib/qe_ic.c seems to initialize both to the same thing), and the chip data in some ways is the more logical. Somebody should really decide on one of the other. This merge picks irq_desc_get_handler_data() as the straightforward pure conversion to new names, as per Thomas.
2011-03-30Merge 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/qe_ic: Fix another breakage from the irq_data conversion powerpc/8xx: Fix another breakage from the irq_data conversion powerpc/cell: Use handle_edge_eoi_irq for real powerpc/pseries: Enable Chelsio network and iWARP drivers powerpc/mm: Move the STAB0 location to 0x8000 to make room in low memory powerpc: Fix accounting of softirq time when idle powerpc/pseries/smp: query-cpu-stopped-state support won't change powerpc/xics: Use hwirq for xics domain irq number powerpc/xics: Fix numberspace mismatch from irq_desc conversion powerpc: Wire up new syscalls powerpc/booke: Correct the SPRN_MAS5 definition. powerpc: ARCH_PFN_OFFSET should be unsigned long powerpc: Implement dma_mmap_coherent() powerpc/nvram: Don't overwrite oops/panic report on normal shutdown powerpc: Restore some misc devices to our configs
2011-03-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: Blackfin: bitops: fix include order after little endian inclusion Blackfin: defconfigs: update after misc devices defaulted to N Blackfin: use more standard pr_fmt in the module loader
2011-03-30Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (65 commits) ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support ARM: 6838/1: etm: fix section mismatch warning ARM: 6837/1: remove unused pci_fixup_prpmc1100 ARM: 6836/1: kprobes/fix emulation of LDR/STR instruction when Rn == PC Fix the broken build for Marvell Dove platform. ARM: 6835/1: perf: ensure overflows aren't missed due to IRQ latency ARM: 6834/1: perf: reset counters on all CPUs during initialisation ARM: 6833/1: perf: add required isbs() to ARMv7 backend ARM: 6825/1: kernel/sleep.S: fix Thumb2 compilation issues ARM: 6807/1: realview: Fix secondary GIC initialisation for EB with MPCore tile arm: mach-mx3: pcm043: add write-protect and card-detect for SD1 eukrea_mbimxsd51: add SD Card detect eukrea_mbimxsd25-baseboard: add SD card detect mx3/eukrea_mbimxsd-baseboard: add SD card detect support mx3/eukrea_mbimxsd-baseboard: fix gpio request ARM: mxs/mx28evk: add mmc device ARM: mxs/mx23evk: add mmc device ARM: mxs: dynamically allocate mmc device ARM: mx51_efika: update platform data for new mfd changes mx2/iomux: Set direction for CSPI2 pins ...
2011-03-30avr32: Fix missing irq namespace conversionThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chipRichard Cochran
These two functions disappeared in commit 0c6f8a8b917ad361319c8ace3e9f28e69bfdb4c1 "genirq: Remove compat code" but they still exist in qe_ic.h. This patch renames the function to their new names. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Cc: linuxppc-dev@lists.ozlabs.org Cc: Lennert Buytenhek <buytenh@secretlab.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> LKML-Reference: <20110330132504.GA31832@riccoc20.at.omicron.at> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30genirq: Remove the now obsolete config options and select statementsThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30arm: versatile : Fix typo introduced in irq namespace cleanupGrant Likely
Commit 6845664(arm: Cleanup the irq namespace) introduces a typo causing a build failure for the versatile platform. [ tglx: Sorry, my bad. Have no idea how I fatfingered that ] Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arm-kernel@lists.infradead.org LKML-Reference: <20110330060229.27397.7628.stgit@ponder> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30nilfs2: fix whitespace coding style issuesNicolas Kaiser
Fixes whitespace coding style issues. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-03-30nilfs2: fix oops due to a bad aops initializationRyusuke Konishi
Nilfs in 2.6.39-rc1 hit the following oops: BUG: unable to handle kernel NULL pointer dereference at 0000000000000048 IP: [<ffffffff810ac235>] try_to_release_page+0x2a/0x3d PGD 234cb6067 PUD 234c72067 PMD 0 Oops: 0000 [#1] SMP <snip> Process truncate (pid: 10995, threadinfo ffff8802353c2000, task ffff880234cfa000) Stack: ffff8802333c77b8 ffffffff810b64b0 0000000000003802 ffffffffa0052cca 0000000000000000 ffff8802353c3b58 0000000000000000 ffff8802353c3b58 0000000000000001 0000000000000000 ffffea0007b92308 ffffea0007b92308 Call Trace: [<ffffffff810b64b0>] ? invalidate_inode_pages2_range+0x15f/0x273 [<ffffffffa0052cca>] ? nilfs_palloc_get_block+0x2d/0xaf [nilfs2] [<ffffffff810589e7>] ? bit_waitqueue+0x14/0xa1 [<ffffffff81058ab1>] ? wake_up_bit+0x10/0x20 [<ffffffffa00433fd>] ? nilfs_forget_buffer+0x66/0x7a [nilfs2] [<ffffffffa00467b8>] ? nilfs_btree_concat_left+0x5c/0x77 [nilfs2] [<ffffffffa00471fc>] ? nilfs_btree_delete+0x395/0x3cf [nilfs2] [<ffffffffa00449a3>] ? nilfs_bmap_do_delete+0x6e/0x79 [nilfs2] [<ffffffffa0045845>] ? nilfs_btree_last_key+0x14b/0x15e [nilfs2] [<ffffffffa00449dd>] ? nilfs_bmap_truncate+0x2f/0x83 [nilfs2] [<ffffffffa0044ab2>] ? nilfs_bmap_last_key+0x35/0x62 [nilfs2] [<ffffffffa003e99b>] ? nilfs_truncate_bmap+0x6b/0xc7 [nilfs2] [<ffffffffa003ee4a>] ? nilfs_truncate+0x79/0xe4 [nilfs2] [<ffffffff810b6c00>] ? vmtruncate+0x33/0x3b [<ffffffffa003e8f1>] ? nilfs_setattr+0x4d/0x8c [nilfs2] [<ffffffff81026106>] ? do_page_fault+0x31b/0x356 [<ffffffff810f9d61>] ? notify_change+0x17d/0x262 [<ffffffff810e5046>] ? do_truncate+0x65/0x80 [<ffffffff810e52af>] ? sys_ftruncate+0xf1/0xf6 [<ffffffff8132c012>] ? system_call_fastpath+0x16/0x1b Code: c3 48 83 ec 08 48 8b 17 48 8b 47 18 80 e2 01 75 04 0f 0b eb fe 48 8b 17 80 e6 20 74 05 31 c0 41 59 c3 48 85 c0 74 11 48 8b 40 58 8b 40 48 48 85 c0 74 04 41 58 ff e0 59 e9 b1 b5 05 00 41 54 RIP [<ffffffff810ac235>] try_to_release_page+0x2a/0x3d RSP <ffff8802353c3b08> CR2: 0000000000000048 This oops was brought in by the change "block: remove per-queue plugging" (commit: 7eaceaccab5f40bb). It initializes mapping->a_ops with a NULL pointer for some pages in nilfs (e.g. btree node pages), but mm code doesn't NULL pointer checks against mapping->a_ops. (the check is done for each callback function) This corrects the aops initialization and fixes the oops. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Jens Axboe <jaxboe@fusionio.com>
2011-03-30nilfs2: fix data loss in mmap page write for hole blocksRyusuke Konishi
From the result of a function test of mmap, mmap write to shared pages turned out to be broken for hole blocks. It doesn't write out filled blocks and the data will be lost after umount. This is due to a bug that the target file is not queued for log writer when filling hole blocks. Also, nilfs_page_mkwrite function exits normal code path even after successfully filled hole blocks due to a change of block_page_mkwrite function; just after nilfs was merged into the mainline, block_page_mkwrite() started to return VM_FAULT_LOCKED instead of zero by the patch "mm: close page_mkwrite races" (commit: b827e496c893de0c). The current nilfs_page_mkwrite() is not handling this value properly. This corrects nilfs_page_mkwrite() and will resolve the data loss problem in mmap write. [This should be applied to every kernel since 2.6.30 but a fix is needed for 2.6.37 and prior kernels] Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: stable <stable@kernel.org> [2.6.38]
2011-03-29[IA64] Fix build breakage - sn_force_interrupt_flag: undefinedTony Luck
Latest irq changes removed the need for this forcing flag, and the definition - but missed the code that allowed it to be tweaked via /proc. Delete accessor functions too. Signed-off-by: Tony Luck <tony.luck@intel.com>
2011-03-30powerpc/qe_ic: Fix another breakage from the irq_data conversionBenjamin Herrenschmidt
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/8xx: Fix another breakage from the irq_data conversionBenjamin Herrenschmidt
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-29powerpc/cell: fixup for removal of handle_iic_irqStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-29genirq: fix CONFIG_IRQ_EDGE_EOI_HANDLER buildStephen Rothwell
Fixes these errors: kernel/irq/chip.c: In function 'handle_edge_eoi_irq': kernel/irq/chip.c:517: warning: label 'out_unlock' defined but not used kernel/irq/chip.c:503: error: label 'out_eoi' used but not defined Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-30powerpc/cell: Use handle_edge_eoi_irq for realThomas Gleixner
Missed one instance when moving that to the core code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linuxppc-dev@lists.ozlabs.org Cc: michael@ellerman.id.au Cc: mingo@elte.hu Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/pseries: Enable Chelsio network and iWARP driversAnton Blanchard
Ensure the Chelsio T3/T4 network drivers and iWARP drivers are enabled in the pseries config. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/mm: Move the STAB0 location to 0x8000 to make room in low memoryBenjamin Herrenschmidt
Recent upstream builds with allmodconfig fail due to lack of space between 0x3000 and 0x6000. We have a hard block at 0x7000 but we can spare a page by moving the STAB0 from 0x6000 to 0x8000. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc: Fix accounting of softirq time when idleAnton Blanchard
commit cf9efce0ce31 (powerpc: Account time using timebase rather than PURR) used in_irq() to detect if the time was spent in interrupt processing. This only catches hardirq context so if we are in softirq context and in the idle loop we end up accounting it as idle time. If we instead use in_interrupt() we catch both softirq and hardirq time. The issue was found when running a network intensive workload. top showed the following: 0.0%us, 1.1%sy, 0.0%ni, 85.7%id, 0.0%wa, 9.9%hi, 3.3%si, 0.0%st 85.7% idle. But this was wildly different to the perf events data. To confirm the suspicion I ran something to keep the core busy: # yes > /dev/null & 8.2%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 10.3%hi, 81.4%si, 0.0%st We only got 8.2% of the CPU for the userspace task and softirq has shot up to 81.4%. With the patch below top shows the correct stats: 0.0%us, 0.0%sy, 0.0%ni, 5.3%id, 0.0%wa, 13.3%hi, 81.3%si, 0.0%st Signed-off-by: Anton Blanchard <anton@samba.org> Cc: stable@kernel.org Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/pseries/smp: query-cpu-stopped-state support won't changeMilton Miller
If a given firmware doesn't have a token to support query-cpu-stopped-state, its not likely to change during the lifetime of the kernel. Only print this information once, not once per secondary thread. While here, make the line wrap grep friendly. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/xics: Use hwirq for xics domain irq numberMilton Miller
To try to avoid future confusion, rename irq to hwirq when it refers to a xics domain number instead of a linux irq number. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/xics: Fix numberspace mismatch from irq_desc conversionMilton Miller
commit 79f26c268ebad29bd75d078cfc09d3d82b30ccbd (powerpc: platforms/pseries irq_data conversion) pushed irq_desc down into many functions, dererencing the descriptor irq field as late as possible. But it incorrectly passed a linix virtural irq number to RTAS, resulting in the interrupt not being disabled and possibly other bad things, such as another interrupt being disabled and/or a checkstop. In addition this missed the point of xics_mask_unknown_vec and the seperation of xics_mask_real_irq from xics_mask_irq. When xics_mask_unknown_vec is called it's because the hardware delivered an irq source for which we have no linux irq allocated, and thefore we can not have an irq_desc allocated. Revert xics_mask_real_irq to its prior version, naming the argument hwirq to highlight the difference. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc: Wire up new syscallsStephen Rothwell
These syscalls have been added recently: name_to_handle_at open_by_handle_at clock_adjtime syncfs Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/booke: Correct the SPRN_MAS5 definition.Varun Sethi
339 is the SPR number for MAS5 documented by Power ISA 2.06, and implemented by e500mc. It is not yet used anywhere in the kernel, so nothing should be relying on the wrong number. Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc: ARCH_PFN_OFFSET should be unsigned longScott Wood
pfns are unsigned long, but MEMORY_START is phys_addr_t. This leads to page_to_pfn() returning phys_addr_t, and thus type mismatches in a few print statements. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc: Implement dma_mmap_coherent()Benjamin Herrenschmidt
This is used by Alsa to mmap buffers allocated with dma_alloc_coherent() into userspace. We need a special variant to handle machines with non-coherent DMAs as those buffers have "special" virt addresses and require non-cachable mappings Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc/nvram: Don't overwrite oops/panic report on normal shutdownJim Keniston
For normal halt, reboot, and poweroff events, refrain from overwriting the lnx,oops-log partition. Also, don't save the dmesg buffer on an emergency-restart event if we've already saved it earlier in panic(). Signed-off-by: Jim Keniston <jkenisto@us.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30powerpc: Restore some misc devices to our configsStephen Rothwell
Uwe Kleine-König reported: while working on an defconfig (arm/mx27) I noticed that just updating it[1] results in removing CONFIG_EEPROM_AT24=y. The reason is that since commit v2.6.36-5965-g5f2365d (misc devices: do not enable by default) MISC_DEVICES isn't enabled anymore by default. So all defconfigs that have CONFIG_SOME_SYMBOL=y (or =m) (with SOME_SYMBOL depending on MISC_DEVICES) but not CONFIG_MISC_DEVICES=y suffer from the same problem. This restores those misc devices to the powerpc defconfigs. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Uwe Kleine-König Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-03-30sound: Fixup the last user of the old irq functionsThomas Gleixner
I had seen that before, but now that I removed set_irq_wake it broke. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30genirq: Remove obsolete commentThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30genirq: Remove now obsolete set_irq_wake()Thomas Gleixner
Missed that one in the big compat remval patch Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-30sh: Fix irq cleanup falloutThomas Gleixner
I missed that coccinelle does not fix up header files by default. Reported-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Paul Mundt <lethal@linux-sh.org> Cc: <lethal@linux-sh.org>
2011-03-30x86: apb_timer: Fixup genirq falloutThomas Gleixner
The lonely user of the internal interface was not in the coccinelle script. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29Merge branches 'fixes' and 'devel-stable' into for-linusRussell King
2011-03-29genirq: Fix misnamed label in handle_edge_eoi_irqThomas Gleixner
Reported-by: michael@ellerman.id.au Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linuxppc-dev@lists.ozlabs.org
2011-03-29libceph: Create a new key type "ceph".Tommi Virtanen
This allows us to use existence of the key type as a feature test, from userspace. Signed-off-by: Tommi Virtanen <tommi.virtanen@dreamhost.com> Signed-off-by: Sage Weil <sage@newdream.net>
2011-03-29libceph: Get secret from the kernel keys api when mounting with key=NAME.Tommi Virtanen
Signed-off-by: Tommi Virtanen <tommi.virtanen@dreamhost.com> Signed-off-by: Sage Weil <sage@newdream.net>
2011-03-29ceph: Move secret key parsing earlier.Tommi Virtanen
This makes the base64 logic be contained in mount option parsing, and prepares us for replacing the homebew key management with the kernel key retention service. Signed-off-by: Tommi Virtanen <tommi.virtanen@dreamhost.com> Signed-off-by: Sage Weil <sage@newdream.net>
2011-03-29libceph: fix null dereference when unregistering linger requestsSage Weil
We should only clear r_osd if we are neither registered as a linger or a regular request. We may unregister as a linger while still registered as a regular request (e.g., in reset_osd). Incorrectly clearing r_osd there leads to a null pointer dereference in __send_request. Also simplify the parallel check in __unregister_request() where we just removed r_osd_item and know it's empty. Signed-off-by: Sage Weil <sage@newdream.net>
2011-03-29Linux 2.6.39-rc1Linus Torvalds
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