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| | | | | | * [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.hCatalin Marinas2008-02-047-258/+181
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves the platform specific definitions from platform.h into the board-eb.h file. It drops the INT_* definitions as they are no longer used in irqs.h (moved to board-eb.h). It renames REALVIEW_* macros to REALVIEW_EB_* or REALVIEW_EB11MP_* to distinguish between standard EB and EB + the ARM11MPCore tile. The platform.h file contains common definitions to the RealView platforms and it is only directly included in board-*.h files. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | | | * [ARM] 4815/1: RealView: Add clockevents suport for the local timersCatalin Marinas2008-02-041-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch registers the local timers on ARM11MPCore as clock event devices. The clock device can be set up as periodic or oneshot. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | | | * [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCoreCatalin Marinas2008-02-041-8/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds dummy local timers for each CPU so that the board clock device is used to broadcast events to the other CPUs. The patch also adds the declaration for the dummy_timer_setup function (the equivalent of local_timer_setup when CONFIG_LOCAL_TIMERS is not set). Due to the way clockevents work, the dummy timer on the first CPU has to be registered before the board timer. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | | | * [ARM] 4813/1: Add SMP helper functions for clockevents supportCatalin Marinas2008-02-041-0/+10
| | | | |_|/ | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the smp_call_function_single and smp_timer_broadcast functions and modifies ipi_timer to call the platform-specific function local_timer_interrupt. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | | * [ARM] pxa: add preliminary suspend/resume code for pxa3xxeric miao2008-02-041-0/+13
| | | | |/ | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. clear RDH bit after resuming back from D3, otherwise, the multi function pins will retain the low power state 2. save/restore essential system registers Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | * [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atagsRichard Purdie2008-02-041-0/+3
| | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the atags used by kexec are fixed to the ones originally used to boot the kernel. This is less than ideal as changing the commandline, initrd and other options would be a useful feature. This patch exports the atags used for the current kernel to userspace through an "atags" file in procfs. The presence of the file is controlled by its own Kconfig option and cleans up several ifdef blocks into a separate file. The tags for the new kernel are assumed to be at a fixed location before the kernel image itself. The location of the tags used to boot the original kernel is unimportant and no longer saved. Based on a patch from Uli Luckas <u.luckas@road.de> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Acked-by: Uli Luckas <u.luckas@road.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4807/2: ixp4xx: Merge nslu2-power.c into nslu2-setup.cRod Whitby2008-02-041-19/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no reason to have power control in a separate file from the board setup code. Merge it back into the board setup file, removing superfluous header includes and removing superfluous constants from the machine header file. -- Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4714/2: Headers for IXP4xx built-in Ethernet and WAN driversKrzysztof Halasa2008-02-041-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds platform structs and #defines required by drivers for IXP4xx built-in Ethernet and WAN (sync serial) ports. The actual drivers will reside in drivers/net/arm and drivers/net/wan and will be submitted separately. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4713/3: Adds drivers for IXP4xx QMgr and NPE featuresKrzysztof Halasa2008-02-042-0/+165
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds drivers for IXP4xx hardware Queue Manager and for Network Processor Engines. Requires patch #4712 (reading/writing CPU feature (aka fuse) bits). Posted to linux-arm-kernel on 2 Dec 2007 and revised. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4712/2: Adds functions to read and write IXP4xx "feature" bitsKrzysztof Halasa2008-02-044-8/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds functions to read and write IXP4xx "feature" (aka "fuse") bits, containing information about available/enabled CPU features. The uncompress.h included by boot/compressed/misc.c resides in a different space than rest of the kernel and thus can't use asm/hardware.h (including asm/arch/cpu.h - which, in turn, may use EXPORTed symbol "processor_id"). Posted to linux-arm-kernel on 2 Dec 2007 and revised. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4769/2: ixp4xx: Button updates for the dsmg600 boardRod Whitby2008-02-041-6/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove the superfluous declaration of ctrl_alt_del(). * Convert GPIO and IRQ handling to use the <asm/gpio.h> api. * Perform the reset on the release of the power button, so that NAS devices which have been set to auto-power-on (by solder bridging the power button) do not continuously power cycle. * Remove all superflous constants from dsmg600.h Signed-off-by: Rod Whitby <rod@whitby.id.au> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4768/2: ixp4xx: Button and LED updates for the nas100d boardRod Whitby2008-02-041-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Convert GPIO and IRQ handling to use the <asm/gpio.h> api. * Perform the reset only after the power button has been held down for at least two seconds. Do the reset on the release of the power button, so that NAS devices which have been set to auto-power-on (by solder bridging the power button) do not continuously power cycle. * Remove all superflous constants from nas100d.h * Add LED constants to nas100d.h while we're there. * Update the board LED setup code to use those constants. Signed-off-by: Rod Whitby <rod@whitby.id.au> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 4767/2: ixp4xx: Add bitops.h include to io.hRod Whitby2008-02-041-0/+2
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Add include of <linux/bitops.h> to io.h to solve compilations errors in files such as drivers/w1/w1_io.c caused by the ixp4xx version of io.h using the BIT() macro without including <linux/bitops.h> first. Signed-off-by: Rod Whitby <rod@whitby.id.au> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 4802/1: Fix typo and remove vague commentMarc Pignat2008-02-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix typo and remove vague comment Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Acked-by: Andrew Victor <linux@maxim.org.za> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 4660/3: at91: allow selecting UART for early kernel messagesGuennadi Liakhovetski2008-02-047-8/+176
| |/ | | | | | | | | | | | | | | | | | | | | | | | | Currently early kernel messages, i.e., those from uncompression, go to the debugging UART. And if it is enabled in the platform configuration, but not initialized by the bootloader, the machine hangs, waiting for UART status change. Besides, having those messages on another UART - typically the console UART - may be preferrable. This patch allows selecting the UART in kernel configuration. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge branch 'slub-linus' of ↵Linus Torvalds2008-02-041-6/+9
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm * 'slub-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm: Explain kmem_cache_cpu fields SLUB: Do not upset lockdep SLUB: Fix coding style violations Add parameter to add_partial to avoid having two functions SLUB: rename defrag to remote_node_defrag_ratio Move count_partial before kmem_cache_shrink SLUB: Fix sysfs refcounting slub: fix shadowed variable sparse warnings
| * | Explain kmem_cache_cpu fieldsChristoph Lameter2008-02-041-5/+5
| | | | | | | | | | | | | | | | | | | | | Add some comments explaining the fields of the kmem_cache_cpu structure. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * | SLUB: rename defrag to remote_node_defrag_ratioChristoph Lameter2008-02-041-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The NUMA defrag works by allocating objects from partial slabs on remote nodes. Rename it to remote_node_defrag_ratio to be clear about this. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds2008-02-0425-135/+98
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (78 commits) x86: fix RTC lockdep warning: potential hardirq recursion x86: cpa, micro-optimization x86: cpa, clean up code flow x86: cpa, eliminate CPA_ enum x86: cpa, cleanups x86: implement gbpages support in change_page_attr() x86: support gbpages in pagetable dump x86: add gbpages support to lookup_address x86: add pgtable accessor functions for gbpages x86: add PUD_PAGE_SIZE x86: add feature macros for the gbpages cpuid bit x86: switch direct mapping setup over to set_pte x86: fix page-present check in cpa_flush_range x86: remove cpa warning x86: remove now unused clear_kernel_mapping x86: switch pci-gart over to using set_memory_np() instead of clear_kernel_mapping() x86: cpa selftest, skip non present entries x86: CPA fix pagetable split x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZE x86: cpa, fix lookup_address ...
| * | | x86: fix RTC lockdep warning: potential hardirq recursionAndrew Morton2008-02-041-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After disabling both CONFIG_DEBUG_LOCKING_API_SELFTESTS and netconsole (using current mainline) I get a login prompt, and also... [ 5.181668] SELinux: policy loaded with handle_unknown=deny [ 5.183315] type=1403 audit(1202100038.157:3): policy loaded auid=4294967295 ses=4294967295 [ 5.822073] SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts [ 7.819146] ------------[ cut here ]------------ [ 7.819146] WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on+0x9b/0x10d() [ 7.819146] Modules linked in: generic ext3 jbd ide_disk ide_core [ 7.819146] Pid: 399, comm: hwclock Not tainted 2.6.24 #4 [ 7.819146] [<c011d140>] warn_on_slowpath+0x41/0x51 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c013770c>] ? check_usage_forwards+0x19/0x3b [ 7.819146] [<c01390c4>] ? __lock_acquire+0xac3/0xb0b [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c013848b>] trace_hardirqs_on+0x9b/0x10d [ 7.819146] [<c030ca6c>] _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c011481e>] hpet_rtc_interrupt+0xdf/0x290 [ 7.819146] [<c014ea90>] handle_IRQ_event+0x1a/0x46 [ 7.819146] [<c014f8ea>] handle_edge_irq+0xbe/0xff [ 7.819146] [<c0106e08>] do_IRQ+0x6d/0x84 [ 7.819146] [<c0105596>] common_interrupt+0x2e/0x34 [ 7.819146] [<c013007b>] ? ktime_get_ts+0x8/0x3f [ 7.819146] [<c0139420>] ? lock_release+0x167/0x16f [ 7.819146] [<c017974a>] ? core_sys_select+0x2c/0x327 [ 7.819146] [<c0179792>] core_sys_select+0x74/0x327 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c01384d6>] ? trace_hardirqs_on+0xe6/0x10d [ 7.819146] [<c030ca77>] ? _spin_unlock_irq+0x2d/0x42 [ 7.819146] [<c023b437>] ? rtc_do_ioctl+0x11b/0x677 [ 7.819146] [<c01c487e>] ? inode_has_perm+0x5e/0x68 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01c490b>] ? file_has_perm+0x83/0x8c [ 7.819146] [<c023ba08>] ? rtc_ioctl+0xf/0x11 [ 7.819146] [<c017898d>] ? do_ioctl+0x55/0x67 [ 7.819146] [<c0179d15>] sys_select+0x93/0x163 [ 7.819146] [<c0104b39>] ? sysenter_past_esp+0x9a/0xa5 [ 7.819146] [<c0104afe>] sysenter_past_esp+0x5f/0xa5 [ 7.819146] ======================= [ 7.819146] ---[ end trace 96540ca301ffb84c ]--- [ 7.819210] rtc: lost 6 interrupts [ 7.870668] type=1400 audit(1202128840.794:4): avc: denied { audit_write } for pid=399 comm="hwclock" capability=29 scontext=system_u:system_r:hwclock_t:s0 tcontext=system_u:system_r:hwclock_t:s0 tclass=capability [ 9.538866] input: PC Speaker as /class/input/input5 Because hpet_rtc_interrupt()'s call to get_rtc_time() ends up resolving to include/asm-generic/rtc.h's (hilariously inlined) get_rtc_time(), which does spin_unlock_irq() from hard IRQ context. The obvious patch fixes it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | x86: add pgtable accessor functions for gbpagesAndi Kleen2008-02-042-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: add PUD_PAGE_SIZEAndi Kleen2008-02-041-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a PUD entry covers 1GB of virtual memory. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: add feature macros for the gbpages cpuid bitAndi Kleen2008-02-041-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: remove now unused clear_kernel_mappingAndi Kleen2008-02-041-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZEAndi Kleen2008-02-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix up all users. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: cpa, add the PAT bit definesAndi Kleen2008-02-041-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: fix EFI mappingHuang, Ying2008-02-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch updates EFI runtime memory mapping code, by making EFI areas explicitly executable. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: add function prototype to vm86.hHarvey Harrison2008-02-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Global functions should include their prototypes. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: add include to cpu/intel.cHarvey Harrison2008-02-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes sparse warning: arch/x86/kernel/cpu/intel.c:48:15: warning: symbol 'ppro_with_ram_bug' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: remove final FASTCALL() usesHarvey Harrison2008-02-043-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A few snuck back in to x86. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: remove special NUMAQ support in io_32.hAndi Kleen2008-02-041-25/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that the only user does it on its own remove the NUMAQ support macros in io_32.h The next step would be to convert the preprocessor mess to actually readable standard inlines. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: move NUMAQ io handling into arch/x86/pci/numa.cAndi Kleen2008-02-041-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | numa.c is the only user of the {in,out}*_quad functions. And it has only a few call sites. Change them to open code the magic NUMAQ port access. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: update reference for PAE tlb flushingJeremy Fitzhardinge2008-02-042-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove bogus reference to "Pentium-II erratum A13" and point to the actual canonical source of information about what requirements x86 processors have for PAE pagetable updates. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: pud_clear: only reload cr3 if necessaryJeremy Fitzhardinge2008-02-041-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than unconditionally reloading cr3, only do so if the pud we're updating is within the active pgd. This eliminates TLB flushes most of the time. The performance-critical uses of pud_clear are during execve and exit, but in those cases cr3 is referring to some other pagetable. The only other use of pud_clear is during a large (1Gbyte+) munmap, and those are sufficiently rare that a couple of cr3 reloads won't hurt. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: revert "defer cr3 reload when doing pud_clear()"Jeremy Fitzhardinge2008-02-041-15/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Revert "defer cr3 reload when doing pud_clear()" since I'm going to replace it. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: sparse errors from string_32.hHarvey Harrison2008-02-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/asm/string_32.h:216:26: warning: cast truncates bits from constant value (cccccccc becomes cc) include/asm/string_32.h:219:27: warning: cast truncates bits from constant value (cccccccc becomes cccc) include/asm/string_32.h:222:27: warning: cast truncates bits from constant value (cccccccc becomes cccc) include/asm/string_32.h:223:30: warning: cast truncates bits from constant value (cccccccc becomes cc) Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | asm-generic/tlb.h: remove <linux/quicklist.h>H. Peter Anvin2008-02-041-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove unused <linux/quicklist.h> from <asm-generic/tlb.h>; per Christoph Lameter this should have been part of a previous patch reversal but apparently didn't get removed. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify CPU feature string namesH. Peter Anvin2008-02-041-3/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the CPU feature string names to a separate file (common to 32 and 64 bits); additionally, make <asm/cpufeature.h> includable by host code in preparation for including the CPU feature strings in the boot code. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: reintroduce volatile keyword in prototype to clflush()H. Peter Anvin2008-02-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The volatile keyword was removed from the clflush() prototype in commit e34907ae180f4fe6c28bb4516c679c2f81b0c9ed; the comment there states: x86: remove volatile keyword from clflush. the p parameter is an explicit memory reference, and is enough to prevent gcc to being nasty here. The volatile seems completely not needed. This reflects incorrect understanding of the function of the volatile keyword there. The purpose of the volatile keyword is informing gcc that it is safe to pass a volatile pointer to this function. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/uaccess_64.hH. Peter Anvin2008-02-041-8/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/uaccess_64.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/uaccess_32.hH. Peter Anvin2008-02-041-13/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/uaccess_32.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/system.hH. Peter Anvin2008-02-041-10/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/system.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/msr.hH. Peter Anvin2008-02-041-8/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/msr.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/i387.hH. Peter Anvin2008-02-041-12/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/i387.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: use _ASM_EXTABLE macro in include/asm-x86/futex.hH. Peter Anvin2008-02-041-17/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/futex.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: add _ASM_EXTABLE macro to <asm/asm.h>H. Peter Anvin2008-02-041-0/+7
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of open-coding the __ex_table information at each callsite, construct a common macro that can work regardless of CPU size. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds2008-02-049-96/+180
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (25 commits) virtio: balloon driver virtio: Use PCI revision field to indicate virtio PCI ABI version virtio: PCI device virtio_blk: implement naming for vda-vdz,vdaa-vdzz,vdaaa-vdzzz virtio_blk: Dont waste major numbers virtio_blk: provide getgeo virtio_net: parametrize the napi_weight for virtio receive queue. virtio: free transmit skbs when notified, not on next xmit. virtio: flush buffers on open virtnet: remove double ether_setup virtio: Allow virtio to be modular and used by modules virtio: Use the sg_phys convenience function. virtio: Put the virtio under the virtualization menu virtio: handle interrupts after callbacks turned off virtio: reset function virtio: populate network rings in the probe routine, not open virtio: Tweak virtio_net defines virtio: Net header needs hdr_len virtio: remove unused id field from struct virtio_blk_outhdr virtio: clarify NO_NOTIFY flag usage ...
| * | | virtio: balloon driverRusty Russell2008-02-041-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After discussions with Anthony Liguori, it seems that the virtio balloon can be made even simpler. Here's my attempt. The device configuration tells the driver how much memory it should take from the guest (ie. balloon size). The guest feeds the page numbers it has taken via one virtqueue. A second virtqueue feeds the page numbers the driver wants back: if the device has the VIRTIO_BALLOON_F_MUST_TELL_HOST bit, then this queue is compulsory, otherwise it's advisory (and the guest can simply fault the pages back in). This driver can be enhanced later to deflate the balloon via a shrinker, oom callback or we could even go for a complete set of in-guest regulators. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | virtio: Use PCI revision field to indicate virtio PCI ABI versionAnthony Liguori2008-02-041-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As Avi pointed out, as we continue to massage the virtio PCI ABI, we can make things a little more friendly to users by utilizing the PCI revision field to indicate which version of the ABI we're using. This is a hard ABI version and incrementing it will cause the guest driver to break. This is the necessary changes to virtio_pci to support this. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | virtio: PCI deviceAnthony Liguori2008-02-041-0/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a PCI device that implements a transport for virtio. It allows virtio devices to be used by QEMU based VMMs like KVM or Xen. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
generated by cgit v1.1 at 2025-02-11 22:46:46 +0000