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* [PATCH] x86_64: CPU hotplug supportAshok Raj2005-06-25
| | | | | | | | | | | | | | | | | | | | Experimental CPU hotplug patch for x86_64 ----------------------------------------- This supports logical CPU online and offline. - Test with maxcpus=1, and then kick other cpu's off to test if init code is all cleaned up. CONFIG_SCHED_SMT works as well. - idle threads are forked on demand from keventd threads for clean startup TBD: 1. Not tested on a real NUMA machine (tested with numa=fake=2) 2. Handle ACPI pieces for physical hotplug support. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Andi Kleen <ak@muc.de> Acked-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Shaohua.li<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Change init sections for CPU hotplug supportAshok Raj2005-06-25
| | | | | | | | | | | | | | | | | | | | | This patch adds __cpuinit and __cpuinitdata sections that need to exist past boot to support cpu hotplug. Caveat: This is done *only* for EM64T CPU Hotplug support, on request from Andi Kleen. Much of the generic hotplug code in kernel, and none of the other archs that support CPU hotplug today, i386, ia64, ppc64, s390 and parisc dont mark sections with __cpuinit, but only mark them as __devinit, and __devinitdata. If someone is motivated to change generic code, we need to make sure all existing hotplug code does not break, on other arch's that dont use __cpuinit, and __cpudevinit. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Andi Kleen <ak@muc.de> Acked-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] make smp_prepare_cpu to a weak functionAshok Raj2005-06-25
| | | | | | | | | | | | | | I really wish smp_prepare_cpu() would disappear eventually. In the interim this is ideally a weak function, so we dont end up changing several places to define this dummy in headers. Today since the dummy declaration is done only in drivers/base/cpu.c but the function is called in kernel/power/smp.c i get undefined reference in my cpu hotplug code for x86_64 under development. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpu state clean after hot removeLi Shaohua2005-06-25
| | | | | | | | Clean CPU states in order to reuse smp boot code for CPU hotplug. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] init call cleanupLi Shaohua2005-06-25
| | | | | | | | | Trival patch for CPU hotplug. In CPU identify part, only did cleaup for intel CPUs. Need do for other CPUs if they support S3 SMP. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sibling map initializing reworkLi Shaohua2005-06-25
| | | | | | | | Make sibling map init per-cpu. Hotplug CPU may change the map at runtime. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sep initializing reworkLi Shaohua2005-06-25
| | | | | | | | | Make SEP init per-cpu, so it is hotplug safe. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386: Dont use IPI broadcast when using cpu hotplug.Ashok Raj2005-06-25
| | | | | | | | | | | | | | | | This patch introduces a startup parameter no_broadcast. When we enable CONFIG_HOTPLUG_CPU, we dont want to use broadcast shortcut as it has ill effects on a offline cpu. If we issue broadcast, the IPI is also delivered to offline cpus, or partially up cpu causing stale IPI's to be handled, which is a problem and can cause undesirable effects. Introduces a new startup cmdline option no_ipi_broadcast, that can be switched at cmdline if necessary. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386 CPU hotplugZwane Mwaikambo2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (The i386 CPU hotplug patch provides infrastructure for some work which Pavel is doing as well as for ACPI S3 (suspend-to-RAM) work which Li Shaohua <shaohua.li@intel.com> is doing) The following provides i386 architecture support for safely unregistering and registering processors during runtime, updated for the current -mm tree. In order to avoid dumping cpu hotplug code into kernel/irq/* i dropped the cpu_online check in do_IRQ() by modifying fixup_irqs(). The difference being that on cpu offline, fixup_irqs() is called before we clear the cpu from cpu_online_map and a long delay in order to ensure that we never have any queued external interrupts on the APICs. There are additional changes to s390 and ppc64 to account for this change. 1) Add CONFIG_HOTPLUG_CPU 2) disable local APIC timer on dead cpus. 3) Disable preempt around irq balancing to prevent CPUs going down. 4) Print irq stats for all possible cpus. 5) Debugging check for interrupts on offline cpus. 6) Hacky fixup_irqs() to redirect irqs when cpus go off/online. 7) play_dead() for offline cpus to spin inside. 8) Handle offline cpus set in flush_tlb_others(). 9) Grab lock earlier in smp_call_function() to prevent CPUs going down. 10) Implement __cpu_disable() and __cpu_die(). 11) Enable local interrupts in cpu_enable() after fixup_irqs() 12) Don't fiddle with NMI on dead cpu, but leave intact on other cpus. 13) Program IRQ affinity whilst cpu is still in cpu_online_map on offline. Signed-off-by: Zwane Mwaikambo <zwane@linuxpower.ca> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] variable overflow after hundreds round of hotplug CPUShaohua Li2005-06-25
| | | | | | | | | I'm doing the cpu hotplug stress test and found a variable ('ready') is overflow after several hundreds rounds of cpu hotplug. Here is a fix. Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] CPU hotplug: fix hpet sectioningShaohua Li2005-06-25
| | | | | | | | With hpet enabled, cpu hotplug uses some routines marked with __init. Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dmi: spring cleanupAndrey Panin2005-06-25
| | | | | | | | Whitespace and CodingStyle cleanup. No functionality changes. Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dmi: remove central blacklistAndrey Panin2005-06-25
| | | | | | | | | Since last dmi quirk looks useless (it just prints 404 compliant url) we can finally remove central dmi blacklist. Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dmi: move ACPI sleep quirkAndrey Panin2005-06-25
| | | | | | | | This patch moves ACPI sleep quirk out of dmi_scan.c Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dmi: move ACPI boot quirkAndrey Panin2005-06-25
| | | | | | | | This patch moves ACPI boot quirks out of dmi_scan.c Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: Fix compile warnings in arch/ppc64/kernel/lparcfg.cMichael Ellerman2005-06-25
| | | | | | | | | Stephen's patch to remove LparData.h missed an include in lparcfg.c This fixes a few compile warnings. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: remove some unnecessary includes of bootmem.hKumar Gala2005-06-25
| | | | | | | | | Continue the Good Fight: Limit bootmem.h include creep. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I2C-MPC: Remove OCP device model supportKumar Gala2005-06-25
| | | | | | | | | | | All consumers of the driver MPC10x, MPC52xx, MPC824x, MPC83xx, and MPC85xx are all using platform devices. We can get ride of the dead code to support using this driver with the old OCP based model Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Remove FSL OCP supportKumar Gala2005-06-25
| | | | | | | | | | Support for the OCP device model on Freescale (FSL) PPC's is no longer used. All FSL PPC's that were using OCP have be converted to using the platform device model. Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Add support for Freescale e200 (Book-E) coreKumar Gala2005-06-25
| | | | | | | | | | | | The e200 core is a Book-E core (similar to e500) that has a unified L1 cache and is not cache coherent on the bus. The e200 core also adds a separate exception level for debug exceptions. Part of this patch helps to cleanup a few cases that are true for all Freescale Book-E parts, not just e500. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Check return of ppc_sys_get_pdata before accessing pointerKumar Gala2005-06-25
| | | | | | | | | | Ensure that the returned pointer from ppc_sys_get_pdata is not NULL before we start using it. This handles any cases where we have variants of processors on the same board with different functionality. Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] selinux: add executable heap checkLorenzo Hernández García-Hierro2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | This patch,based on sample code by Roland McGrath, adds an execheap permission check that controls the ability to make the heap executable so that this can be prevented in almost all cases (the X server is presently an exception, but this will hopefully be resolved in the future) so that even programs with execmem permission will need to have the anonymous memory mapped in order to make it executable. The only reason that we use a permission check for such restriction (vs. making it unconditional) is that the X module loader presently needs it; it could possibly be made unconditional in the future when X is changed. The policy patch for the execheap permission is available at: http://pearls.tuxedo-es.org/patches/selinux/policy-execheap.patch Signed-off-by: Lorenzo Hernandez Garcia-Hierro <lorenzo@gnu.org> Acked-by: James Morris <jmorris@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] selinux: add executable stack checkLorenzo Hernandez García-Hierro2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds an execstack permission check that controls the ability to make the main process stack executable so that attempts to make the stack executable can still be prevented even if the process is allowed the existing execmem permission in order to e.g. perform runtime code generation. Note that this does not yet address thread stacks. Note also that unlike the execmem check, the execstack check is only applied on mprotect calls, not mmap calls, as the current security_file_mmap hook is not passed the necessary information presently. The original author of the code that makes the distinction of the stack region, is Ingo Molnar, who wrote it within his patch for /proc/<pid>/maps markers. (http://marc.theaimsgroup.com/?l=linux-kernel&m=110719881508591&w=2) The patches also can be found at: http://pearls.tuxedo-es.org/patches/selinux/policy-execstack.patch http://pearls.tuxedo-es.org/patches/selinux/kernel-execstack.patch policy-execstack.patch is the patch that needs to be applied to the policy in order to support the execstack permission and exclude it from general_domain_access within macros/core_macros.te. kernel-execstack.patch adds such permission to the SELinux code within the kernel and adds the proper permission check to the selinux_file_mprotect() hook. Signed-off-by: Lorenzo Hernandez Garcia-Hierro <lorenzo@gnu.org> Acked-by: James Morris <jmorris@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: fix remap_pte_range BUGHugh Dickins2005-06-25
| | | | | | | | | | | Out-of-tree user of remap_pfn_range hit kernel BUG at mm/memory.c:1112! It passes an unrounded size to remap_pfn_range, which was okay before 2.6.12, but misses remap_pte_range's new end condition. An audit of all the other ptwalks confirms that this is the only one so exposed. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix the error handling in direct I/OHifumi Hisashi2005-06-25
| | | | | | | | | | | | | | | Fix a bug on error handling in the direct I/O function. Currently, if a file is opened with the O_DIRECT|O_SYNC flag, the write() syscall cannot receive the EIO error after an I/O error (SCSI cable is disconnected etc.). Return values of other points that call generic_osync_inode() are treated appropriately. Signed-off-by: Hisashi Hifumi <hifumi.hisashi@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mips: add MIPS-specific support for flatmem/discontigmemYoichi Yuasa2005-06-25
| | | | | | | | | 2.6.12-git6 doesn't boot on some MIPS machines. They need the support of flat memory and discontig memory. Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Serial: remove unnecessary register_serial/unregister_serialRussell King2005-06-25
| | | | | | | | | | A couple of drivers declare register_serial/unregister_serial prototypes but don't use them. FRV contains a commented out call to register_serial. Since these are deprecated, remove these unnecessary references. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] gcc4 compile fix for recent ia64 xpc changesDave Jones2005-06-25
| | | | | | | | | | Gcc4 doesn't like volatile casts as lvalues. Make the structure members volatile instead. Signed-off-by: Dave Jones <davej@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I8K: add new BIOS signaturesDmitry Torokhov2005-06-25
| | | | | | | | | | I8K: add BIOS signatures of a newer Dell laptops, also there can be more than one temperature sensor reported by BIOS. Lifted from driver 1.25 on Massimo Dal Zotto's site. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I8K: initialization code cleanup; formattingDmitry Torokhov2005-06-25
| | | | | | | | | I8K: use module_{init|exit} instead of old style #ifdef MODULE code, some formatting changes. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I8K: convert to seqfileDmitry Torokhov2005-06-25
| | | | | | | | I8K: Change proc code to use seq_file. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I8K: use standard DMI interfaceDmitry Torokhov2005-06-25
| | | | | | | | | | | | I8K: Change to use stock dmi infrastructure instead of homegrown parsing code. The driver now requires box's DMI data to match list of supported models so driver can be safely compiled-in by default without fear of it poking into random SMM BIOS code. DMI checks can be ignored with i8k.ignore_dmi option. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I8K: pass through lindentDmitry Torokhov2005-06-25
| | | | | | | | I8K: pass through Lindent to change 4 spaces identation to TABs Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Toshiba driver cleanupDmitry Torokhov2005-06-25
| | | | | | | | | | | | Toshiba legacy driver cleanup: - use module_init/module_exit for initialization instead of using #ifdef MODULE and calling tosh_init manually from drivers/char/misc.c - do not explicitly initialize static variables - some whitespace and formatting cleanups Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cx88 build fixMauro Carvalho Chehab2005-06-25
| | | | | | | static declaration of cx88_pci_irqs follows non-static. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dvb-bt8xx.txt fixesUwe Bugla2005-06-25
| | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-06-25
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| * [PATCH] ARM: Generic Dynamic Tick Timer support for ARM, take 4Russell King2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for Dynamic Tick Timer for ARM. Dynamic Tick is also known as VST (Variable Scheduling Timeouts). Dynamic Tick has been in use in the OMAP tree since last October. The patch is not intrusive, and does not do anything unless CONFIG_NO_IDLE_HZ is defined. This patch has the following fixed based on comments from RMK: - Time is updated before calling interrupt handlers. - Added new interrupt flag SA_TIMER to avoid duplicate timer interrupts - Moved struct dyn_tick_timer to time.h until we at some point probably have an arch independent dyn-tick.h - Cleaned up testing for DYN_TICK_ENABLED in irq.c I've cleaned up this patch to fix some remaining issues: - Call the timer tick handler with irqs disabled, as it would be from a normal interrupt - if we have a dyn_tick, we better implement all methods. - generic timer_dyn_reprogram() call, to be called before sleeping - added command line option - "dyntick=" to allow boot-time control of this feature -- rmk Signed-off-by: Tony Lindgren Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] ARM: 2752/1: disable ixp2000 PCI I/O software workaround on chips ↵Lennert Buytenhek2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | that don't need it Patch from Lennert Buytenhek The later ixp2000 models don't need the PCI I/O workaround that we currently perform. Add a config option to disable the workaround, and panic on boot if a kernel without the workaround is booted on a buggy chip. As only pre-production ixp2000s need the workaround, the default is for it not to be configured in. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] ARM: Fix discontigmemRussell King2005-06-25
| | | | | | | | | | | | The merge of sparsemem broke ARM discontigmem. Fix it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] ARM: 2751/1: ixp2000 gpio cleanup broke ixdp2800 buildLennert Buytenhek2005-06-25
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The ixp2000 gpio cleanup broke the ixdp2800 build as it moved some gpio-related functions from arch/platform.h to arch/gpio.h and the ixdp2x00 support code used those functions but didn't include the latter header file. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] ARM: 2750/1: add i2c platform device for enp2611 on-board i2c busLennert Buytenhek2005-06-25
| | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek On the enp2611, GPIO 7 and 6 are connected to an on-board i2c bus that attaches to the SODIMM module slot (for SPD) and an LM84 temperature sensor. Add a platform device for this i2c bus. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] ARM: 2749/1: update ixp2000 defconfigs to 2.6.12-git6Lennert Buytenhek2005-06-25
| | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Update the defconfigs for the ixp2000 platforms to 2.6.12-git6. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2005-06-25
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| * | [SPARC64]: Report any user access faults in termios accessors.David S. Miller2005-06-24
| | | | | | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC]: sunzilog warning fixesWilliam Lee Irwin III2005-06-24
| |/ | | | | | | | | | | | | | | | | | | From: William Lee Irwin III <wli@holomorphy.com> This small patch silences some iomem-related warnings in sunzilog.c by declaring mapped_addr as void __iomem * and inserting a cast in one case. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ACPI: Make sure we call acpi_register_gsi() even for default PCI interrupt ↵Linus Torvalds2005-06-25
| | | | | | | | | | | | | | assignment That's the part that keeps track of the ELCR register, and we want to make sure that the PCI interrupts are properly marked level/low.
* | [TG3]: Update driver version and reldate.David S. Miller2005-06-24
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | [TG3]: Refinements to new locking strategy.Michael Chan2005-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Move tp->irq_sync = 0 to before the interrupt mailbox IO in tg3_enable_ints() so that the interrupt handler will always see irq_sync == 0 when interrupts are enabled. 2. Remove the tg3_enable_ints() call in tg3_reset_hw(). Interrupts are always enabled explicitly or through tg3_netif_start(). This is to prevent interrupts being enabled while poll is disabled. 3. Update trans_start with jiffies in tg3_netif_stop() to prevent false NETDEV WATCHDOG. 4. Pass in the proper irq_sync parameter to tg3_full_lock() depending on netif_running() in some of the ethtool set calls. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [TG3]: Eliminate all hw IRQ handler spinlocks.David S. Miller2005-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move all driver spinlocks to be taken at sw IRQ context only. This fixes the skb_copy() we were doing with hw IRQs disabled (which is illegal and triggers a BUG() with HIGHMEM enabled). It also simplifies the locking all over the driver tremendously. We accomplish this feat by creating a special sequence to synchronize with the hw IRQ handler using a binary state and synchronize_irq(). This idea is from Herbert Xu. Thanks to Michael Chan for helping to track down all of the race conditions in initial versions of this code. Signed-off-by: David S. Miller <davem@davemloft.net>
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