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2008-06-03x86 mpparse: build fixIngo Molnar
fix this build bug: drivers/acpi/pci_irq.c: In function 'acpi_pci_irq_enable': drivers/acpi/pci_irq.c:574: error: implicit declaration of function 'mp_config_acpi_gsi' Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-02x86: remove duplicated e820 func in setup.hYinghai Lu
we already have them in e820.h Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-31x86: extend e820 early_res support 32bit -fix #5Yinghai Lu
reserve early numa kva, so it will not clash with new RAMDISK Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-31x86: extend e820 early_res support 32bit -fix #3Yinghai Lu
introduce init_pg_table_start, so xen PV could specify the value. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: mp_bus_id_to_pci_bus is not neededAlexey Starikovskiy
2008-05-25x86: move e820_mark_nosave_regions to e820.cYinghai Lu
and make e820_mark_nosave_regions to take limit_pfn to use max_low_pfn for 32bit and end_pfn for 64bit Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-25x86: make config_irqsrc not MPspec specificAlexey Starikovskiy
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: make struct config_ioapic not MPspec specificAlexey Starikovskiy
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: make mp_ioapic_routing definition localAlexey Starikovskiy
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: move es7000_plat out of mpparse.cAlexey Starikovskiy
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: extend e820 ealy_res support 32bitYinghai Lu
move early_res related from e820_64.c to e820.c make edba detection to be done in head32.c remove smp_alloc_memory, because we have fixed trampoline address now. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> arch/x86/kernel/e820.c | 214 ++++++++++++++++++++++++++++++++++++ arch/x86/kernel/e820_64.c | 196 -------------------------------- arch/x86/kernel/head32.c | 76 ++++++++++++ arch/x86/kernel/setup_32.c | 109 +++--------------- arch/x86/kernel/smpboot.c | 17 -- arch/x86/kernel/trampoline.c | 2 arch/x86/mach-voyager/voyager_smp.c | 9 - include/asm-x86/e820.h | 6 + include/asm-x86/e820_64.h | 9 - include/asm-x86/smp.h | 1 arch/x86/kernel/e820.c | 214 ++++++++++++++++++++++++++++++++++++ arch/x86/kernel/e820_64.c | 196 -------------------------------- arch/x86/kernel/head32.c | 76 ++++++++++++ arch/x86/kernel/setup_32.c | 109 +++--------------- arch/x86/kernel/smpboot.c | 17 -- arch/x86/kernel/trampoline.c | 2 arch/x86/mach-voyager/voyager_smp.c | 9 - include/asm-x86/e820.h | 6 + include/asm-x86/e820_64.h | 9 - include/asm-x86/smp.h | 1 arch/x86/kernel/e820.c | 214 ++++++++++++++++++++++++++++++++++++ arch/x86/kernel/e820_64.c | 196 -------------------------------- arch/x86/kernel/head32.c | 76 ++++++++++++ arch/x86/kernel/setup_32.c | 109 +++--------------- arch/x86/kernel/smpboot.c | 17 -- arch/x86/kernel/trampoline.c | 2 arch/x86/mach-voyager/voyager_smp.c | 9 - include/asm-x86/e820.h | 6 + include/asm-x86/e820_64.h | 9 - include/asm-x86/smp.h | 1 10 files changed, 320 insertions(+), 319 deletions(-) Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: change sanitize_e820_map parameter from byte to int to allow ↵Paul Jackson
bigger memory maps The map size counter passed into, and back out of, sanitize_e820_map(), was an eight bit type (char or u8), as derived from its origins in legacy BIOS E820 structures. This patch changes that type to an 'int', to allow this sanitize routine to also be used on larger maps (larger than the 256 count that fits in a char). The legacy BIOS E820 interface of course does not change; that remains at 8 bits for this count, holding up to E820MAX == 128 entries. But the kernel internals can handle more when those additional memory map entries are passed from the BIOS via EFI interfaces. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: extend some internal memory map arrays to handle larger EFI inputPaul Jackson
Extend internal boot time memory tables to allow for up to three entries per node, which may be larger than the 128 E820MAX entries handled by the legacy BIOS E820 interface. The EFI interface, if present, is capable of passing memory map entries for these larger node counts. This patch requires an earlier patch that rewrote code depending on these array sizes from using E820MAX explicitly to size loops, to instead using ARRAY_SIZE() of the applicable array. Another patch following this one will provide the code to pick up additional memory entries passed via the EFI interface from the BIOS and insert them in the following, now enlarged, arrays. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: proper use of ARRAY_SIZE instead of repeated E820MAX constantPaul Jackson
This patch is motivated by a subsequent patch which will allow for more memory map entries on EFI supported systems than can be passed via the x86 legacy BIOS E820 interface. The legacy interface is limited to E820MAX == 128 memory entries, and that "E820MAX" manifest constant was used as the size for several arrays and loops over those arrays. The primary change in this patch is to change code loop sizes over those arrays from using the constant E820MAX, to using the ARRAY_SIZE() macro evaluated for the array being looped. That way, a subsequent patch can change the size of some of these arrays, without breaking this code. This patch also adds a parameter to the sanitize_e820_map() routine, which had an implicit size for the array passed it of E820MAX entries. This new parameter explicitly passes the size of said array. Once again, this will allow a subsequent patch to change that array size for some calls to sanitize_e820_map() without breaking the code. As part of enhancing the sanitize_e820_map() interface this way, I further combined the unnecessarily distinct x86_32 and x86_64 declarations for this routine into a single, commonly used, declaration. This patch in itself should make no difference to the resulting kernel binary. [ mingo@elte.hu: merged to -tip ] Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: simplify pageblock_bits enum declarationPaul Jackson
The use of #defines with '##' pre-processor concatenation is a useful way to form several symbol names with a common pattern. But when there is just a single name obtained from that #define, it's just obfuscation. Better to just write the plain symbol name, as is. The following patch is a result of my wasting ten minutes looking through the kernel to figure out what 'PB_migrate_end' meant, and forgetting what I came to do, by the time I figured out that the #define PB_range macro defined it. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: remove some unused extern function declarationsPaul Jackson
Remove three extern declarations for routines that don't exist. Fix a typo in a comment. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: include missing smp.h headerPaul Jackson
The patch: x86: convert cpu_to_apicid to be a per cpu variable introduced a dependency of ipi.h on smp.h in x86 builds with an allnoconfig. Including smp.h in ipi.h fixes the build error: In file included from arch/x86/kernel/traps_64.c:48: include/asm/ipi.h: In function 'send_IPI_mask_sequence': include/asm/ipi.h:114: error: 'per_cpu__x86_cpu_to_apicid' undeclared (first use in this function) Signed-off-by: Paul Jackson <pj@sgi.com> Cc: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: make e820.c to have common functionsYinghai Lu
remove the duplicated copy of these functions. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86: fix trimming e820 with MTRR holes.Yinghai Lu
converting MTRR layout from continous to discrete, some time could run out of MTRRs. So add gran_sizek to prevent that by dumpping small RAM piece less than gran_sizek. previous trimming only can handle highest_pfn from mtrr to end_pfn from e820. when have more than 4g RAM installed, there will be holes below 4g. so need to check ram below 4g is coverred well. need to be applied after [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v7 Signed-off-by: Yinghai Lu <yinghai.lu@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-25x86: move i386 memory setup code to e820_32.cAlexander van Heukelum
The x86_64 code has centralized the memory setup code in e820_64.c. This patch copies that approach to i386: - early_param("mem", ...) parsing is moved from setup_32.c to e820_32.c. - setup_memory_map() and finish_e820_parsing() are factored out from setup_arch(), and declarations are added to e820_32.h. - print_memory_map() is made static and removed from e820_32.h. - user_defined_memmap is marked as __initdata. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: The world is not perfect patch. tcp: Make prior_ssthresh a u32 xfrm_user: Remove zero length key checks. net/ipv4/arp.c: Use common hex_asc helpers cassini: Only use chip checksum for ipv4 packets. tcp: TCP connection times out if ICMP frag needed is delayed netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__ af_key: Fix selector family initialization. libertas: Fix ethtool statistics mac80211: fix NULL pointer dereference in ieee80211_compatible_rates mac80211: don't claim iwspy support orinoco_cs: add ID for SpeedStream wireless adapters hostap_cs: add ID for Conceptronic CON11CPro rtl8187: resource leak in error case ath5k: Fix loop variable initializations
2008-05-22tcp: Make prior_ssthresh a u32Ilpo Järvinen
If previous window was above representable values of u16, strange things will happen if undo with the truncated value is called for. Alternatively, this could be fixed by some max trickery but that would limit undoing high-speed undos. Adds 16-bit hole but there isn't anything to fill it with. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__Patrick McHardy
Greg Steuck <greg@nest.cx> points out that some of the netfilter headers can't be used in userspace without including linux/types.h first. The headers include their own linux/types.h include statements, these are stripped by make headers-install because they are inside #ifdef __KERNEL__ however. Move them out to fix this. Reported and Tested by Greg Steuck. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21Merge branch 'for-2.6.26' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.26' of git://linux-nfs.org/~bfields/linux: (25 commits) svcrdma: Verify read-list fits within RPCSVC_MAXPAGES svcrdma: Change svc_rdma_send_error return type to void svcrdma: Copy transport address and arm CQ before calling rdma_accept svcrdma: Set rqstp transport address in rdma_read_complete function svcrdma: Use ib verbs version of dma_unmap svcrdma: Cleanup queued, but unprocessed I/O in svc_rdma_free svcrdma: Move the QP and cm_id destruction to svc_rdma_free svcrdma: Add reference for each SQ/RQ WR svcrdma: Move destroy to kernel thread svcrdma: Shrink scope of spinlock on RQ CQ svcrdma: Use standard Linux lists for context cache svcrdma: Simplify RDMA_READ deferral buffer management svcrdma: Remove unused READ_DONE context flags bit svcrdma: Return error from rdma_read_xdr so caller knows to free context svcrdma: Fix error handling during listening endpoint creation svcrdma: Free context on post_recv error in send_reply svcrdma: Free context on ib_post_recv error svcrdma: Add put of connection ESTABLISHED reference in rdma_cma_handler svcrdma: Fix return value in svc_rdma_send svcrdma: Fix race with dto_tasklet in svc_rdma_send ...
2008-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits) pktgen: make sure that pktgen_thread_worker has been executed [VLAN]: Propagate selected feature bits to VLAN devices drivers/atm/: remove CVS keywords vlan: Correctly handle device notifications for layered VLAN devices net: Fix call to ->change_rx_flags(dev, IFF_MULTICAST) in dev_change_flags() net_sched: cls_api: fix return value for non-existant classifiers ipsec: Use the correct ip_local_out function ipv6 addrconf: Allow infinite prefix lifetime. ipv6 route: Fix lifetime in netlink. ipv6 addrconf: Fix route lifetime setting in corner case. ndisc: Add missing strategies for per-device retrans timer/reachable time settings. ipv6: Move <linux/in6.h> from header-y to unifdef-y. l2tp: avoid skb truesize bug if headroom is increased wireless: Create 'device' symlink in sysfs wireless, airo: waitbusy() won't delay libertas: fix command timeout after firmware failure mac80211: Add RTNL version of ieee80211_iterate_active_interfaces mac80211 : Association with 11n hidden ssid ap. hostap: fix "registers" registration in procfs isdn/capi: Return proper errnos on module init. ...
2008-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Add global register dumping facility. sparc: remove CVS keywords sparc64: remove CVS keywords
2008-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: CDC WDM driver USB: ehci-orion: the Orion EHCI root hub does have a Transaction Translator USB: serial: ch341: New VID/PID for CH341 USB-serial USB: build fix USB: pxa27x_udc - Fix Oops USB: OPTION: fix name of Onda MSA501HS HSDPA modem USB: add TELIT HDSPA UC864-E modem to option driver usb-serial: Use ftdi_sio driver for RATOC REX-USB60F
2008-05-20[VLAN]: Propagate selected feature bits to VLAN devicesPatrick McHardy
Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20USB: CDC WDM driverOliver Neukum
Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-20Driver core: add device_create_vargs and device_create_drvdataGreg Kroah-Hartman
We want to have the drvdata field set properly when creating the device as sysfs callbacks can assume it is present and it can race the later setting of this field. So, create two new functions, deviec_create_vargs() and device_create_drvdata() that take this new field. device_create_drvdata() will go away in 2.6.27 as the drvdata field will just be moved to the device_create() call as it should be. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-20Fix a deadlock in the bttv driverArjan van de Ven
vidiocgmbuf() does this: mutex_lock(&fh->cap.vb_lock); retval = videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize, V4L2_MEMORY_MMAP); and videobuf_mmap_setup() then just does mutex_lock(&q->vb_lock); ret = __videobuf_mmap_setup(q, bcount, bsize, memory); mutex_unlock(&q->vb_lock); which is an obvious double-take deadlock. This patch fixes this by having vidiocgmbuf() just call the __videobuf_mmap_setup function instead. Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Reported-by: Koos Vriezen <koos.vriezen@gmail.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: remove CVS keywords HID: Add iMON LCDs to blacklist HID: add Microchip PICKit 1 and PICkit 2 to blacklist HID: split Numlock emulation quirk from HID_QUIRK_APPLE_HAS_FN.
2008-05-20x86: strengthen 64-bit p?d_bad()Hugh Dickins
The x86_64 pgd_bad(), pud_bad(), pmd_bad() inlines have differed from their x86_32 counterparts in a couple of ways: they've been unnecessarily weak (e.g. letting 0 or 1 count as good), and were typed as unsigned long. Strengthen them and return int. The PAE pmd_bad was too weak before, allowing any junk in the upper half; but got strengthened by the patch correcting its ~PAGE_MASK to ~PTE_MASK. The PAE pud_bad already said ~PTE_MASK; and since it folds into pgd_bad, and we don't set the protection bits at that level, it'll do as is. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20xen: use PTE_MASK in pte_mfn()Jeremy Fitzhardinge
Use PTE_MASK to extract mfn from pte. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: use PTE_MASK rather than ad-hoc maskJeremy Fitzhardinge
Use ~PTE_MASK to extract the non-pfn parts of the pte (ie, the pte flags), rather than constructing an ad-hoc mask. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: clarify use of _PAGE_CHG_MASKJeremy Fitzhardinge
_PAGE_CHG_MASK is defined as the set of bits not updated by pte_modify(); specifically, the pfn itself, and the Accessed and Dirty bits (which are updated by hardware). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: use PTE_MASK in pgtable_32.hJeremy Fitzhardinge
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: use PTE_MASK in 32-bit PAEJeremy Fitzhardinge
Use PTE_MASK in 3-level pagetables (ie, 32-bit PAE). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: rearrange __(VIRTUAL|PHYSICAL)_MASKJeremy Fitzhardinge
Put the definitions of __(VIRTUAL|PHYSICAL)_MASK before their uses. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: fix warning on 32-bit non-PAEJeremy Fitzhardinge
Fix the warning: include2/asm/pgtable.h: In function `pte_modify': include2/asm/pgtable.h:290: warning: left shift count >= width of type On 32-bit PAE the virtual and physical addresses are both 32-bits, so it ends up evaluating 1<<32. Do the shift as a 64-bit shift then cast to the appropriate size. This should all be done at compile time, and so have no effect on generated code. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20x86: define PTE_MASK in a universally useful wayJeremy Fitzhardinge
Define PTE_MASK so that it contains a meaningful value for all x86 pagetable configurations. Previously it was defined as a "long" which means that it was too short to cover a 32-bit PAE pte entry. It is now defined as a pteval_t, which is an integer type long enough to contain a full pte (or pmd, pud, pgd). This fixes an Xorg crash on 32-bit x86 with PAE due to corruption of the NX bit in mprotect due to the incorrect type/value of PTE_MASK reported by Hugh Dickins: "Yes, thanks Jeremy: I've checked that each stage builds and runs X on my boxes here, x86_32 and x86_32+PAE and x86_64. (So even 1/8 is enough to fix the PAT pte_modify issue, though 2/8 then fixes compiler warnings.)" Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Tested-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-20HID: remove CVS keywordsAdrian Bunk
This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-05-20HID: split Numlock emulation quirk from HID_QUIRK_APPLE_HAS_FN.Diego 'Flameeyes' Petteno
Since 2.6.25 the HID_QUIRK_APPLE_HAS_FN quirk is enabled even for non-laptop Apple keyboards of the Aluminium series. The USB version of these don't need Numlock emulation, like the laptop (and Aluminium Wireless) do, as they have a proper keypad. This patch splits the Numlock emulation for Apple keyboards in a different quirk flag, so that it can be enabled for all the keyboards but the Aluminium USB ones. If the Numlock emulation is enabled for Aluminium USB keyboards, the JKL and UIO keys become the numeric pad, and the rest of the keyboard is disabled, included the key used to disable Numlock. Additionally, these keyboard should not have a Numlock at all, as the Numlock key is instead replaced by the 'Clear' key as usual for Apple USB keyboards. Signed-off-by: Diego 'Flameeyes' Petteno <flameeyes@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-05-20sparc64: Add global register dumping facility.David S. Miller
When a cpu really is stuck in the kernel, it can be often impossible to figure out which cpu is stuck where. The worst case is when the stuck cpu has interrupts disabled. Therefore, implement a global cpu state capture that uses SMP message interrupts which are not disabled by the normal IRQ enable/disable APIs of the kernel. As long as we can get a sysrq 'y' to the kernel, we can get a dump. Even if the console interrupt cpu is wedged, we can trigger it from userspace using /proc/sysrq-trigger The output is made compact so that this facility is more useful on high cpu count systems, which is where this facility will likely find itself the most useful :) Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20sparc: remove CVS keywordsAdrian Bunk
This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20sparc64: remove CVS keywordsAdrian Bunk
This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: [PATCH] return to old errno choice in mkdir() et.al. [Patch] fs/binfmt_elf.c: fix wrong return values [PATCH] get rid of leak in compat_execve() [Patch] fs/binfmt_elf.c: fix a wrong free [PATCH] avoid multiplication overflows and signedness issues for max_fds [PATCH] dup_fd() part 4 - race fix [PATCH] dup_fd() - part 3 [PATCH] dup_fd() part 2 [PATCH] dup_fd() fixes, part 1 [PATCH] take init_files to fs/file.c
2008-05-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin SPORTS UART Driver: converting BFIN->BLACKFIN Blackfin serial driver: add extra IRQ flag for 8250 serial driver 8250 Serial Driver: Added support for 8250-class UARTs in HV Sistemas H8606 board Blackfin arch: Fix bug - USB fails to build for BF524/BF526 Blackfin arch: update boards defconfig files Blackfin arch: IO Port functions to read/write unalligned memory Blackfin arch: enable a choice to provide 4M DMA memory Blackfin arch: cleanup the icplb/dcplb multiple hit checks Blackfin arch: Add workaround to read edge triggered GPIOs Blackfin arch: Sync channel defines with struct dma_register dma_io_base_addr. Blackfin arch: Check for Anomaly 05000182 [Blackfin] arch: rename bf5xx-flash to bfin-async-flash [Blackfin] arch: Blackfin checksum annotations
2008-05-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Fix up restorer in debug_trap exception return path. sh: Make is_valid_bugaddr() more intelligent on nommu. sh: use the common ascii hex helpers sh: fix sh7785 master clock value sh: Fix up thread info pointer in syscall_badsys resume path. sh: Fix up optimized SH-4 memcpy on big endian. sh: disable initrd defaults in .empty_zero_page. sh: display boot params by default on entry.
2008-05-19Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6