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2008-02-22Mark CC_STACKPROTECTOR as being BROKENLinus Torvalds
It's always been broken, but recent fixes actually made it do something, and now the brokenness shows up as the resulting kernel simply not working at all. So it used to be that you could enable this config option, and it just didn't do anything. Now we'd better stop people from enabling it by mistake, since it _does_ do something, but does it so badly as to be unusable. Code to actually make it work is pending, but incomplete and won't be merged into 2.6.25 in any case. Acked-by: Arjan van de Ven <arjan@infradead.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: James Morris <jmorris@namei.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-22x86 ptrace: fix compat PTRACE_SETREGSRoland McGrath
Simple typo fix for regression introduced by the user_regset changes. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-21Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (26 commits) PM: Make suspend_device() static PCI ACPI: Fix comment describing acpi_pci_choose_state Hibernation: Handle DEBUG_PAGEALLOC on x86 ACPI: fix build warning ACPI: TSC breaks atkbd suspend ACPI: remove is_processor_present prototype acer-wmi: Add DMI match for mail LED on Acer TravelMate 4200 series ACPI: sparse fix, replace macro with static function ACPI: thinkpad-acpi: add tablet-mode reporting ACPI: thinkpad-acpi: minor hotkey_radio_sw fixes ACPI: thinkpad-acpi: improve thinkpad-acpi input device documentation ACPI: thinkpad-acpi: issue input events for tablet swivel events ACPI: thinkpad-acpi: make the video output feature optional ACPI: thinkpad-acpi: synchronize input device switches ACPI: thinkpad-acpi: always track input device open/close ACPI: thinkpad-acpi: trivial fix to documentation ACPI: thinkpad-acpi: trivial fix to module_desc typo intel_menlo: extract return values using PTR_ERR ACPI video: check for error from thermal_cooling_device_register ACPI thermal: extract return values using PTR_ERR ...
2008-02-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI: Fix wrong reference counter check for proc_dir_entry PCI: fix up setup-bus.c #ifdef PCI: don't load acpi_php when acpi is disabled PCI: quirks: set 'En' bit of MSI Mapping for devices onHT-based nvidia platform PCI: kernel-doc: fix pci-acpi warning PCI: irq: patch for Intel ICH10 DeviceID's PCI: pci_ids: patch for Intel ICH10 DeviceID's PCI: AMD SATA IDE mode quirk PCI: drivers/pcmcia/i82092.c: fix up after pci_bus_region changes PCI: hotplug: acpiphp_ibm: Remove get device information
2008-02-21Merge 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: [ARM] 4835/1: Fix stale comment in struct machine_desc description [ARM] 4829/1: add .get method to pxa-cpufreq to silence a warning [ARM] 4828/1: fix 3 warnings in drivers/video/pxafb.c [ARM] 4827/1: fix two warnings in drivers/i2c/busses/i2c-pxa.c [ARM] 4826/1: Orion: Register the RTC interrupt on the TS-209 [ARM] pxa: fix clock lookup to find specific device clocks
2008-02-21Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] pasemi: Remove warning in mpic_pasemi_msi.c [POWERPC] pasemi: Register i2c devices at boot [POWERPC] cell: fix spurious false return from spu_trap_data_{map,seg} [POWERPC] Fix warning in pseries/power.c [POWERPC] Fix bootwrapper builds with older gcc versions [POWERPC] Fix dt_mem_next_cell() to read the full address [POWERPC] Kill sparse warnings in kprobes [POWERPC] spufs: fix scheduler starvation by idle contexts [POWERPC] 44x: Add multiplatform defconfig [POWERPC] 44x: Fix Kconfig formatting [POWERPC] 4xx: Update defconfigs for 2.6.25 [POWERPC] 4xx: Remove "i2c" and "xxmii-interface" device_types from dts [POWERPC] PPC440EP Interrupt Triggering and Level Settings [POWERPC] net: NEWEMAC: Remove "rgmii-interface" from rgmii matching table
2008-02-21PCI: don't load acpi_php when acpi is disabledYinghai Lu
When acpi=off and pci=nomsi, don't load acpiphp. Fixes this: pci_hotplug: PCI Hot Plug PCI Core version: 0.5 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 ACPI Exception (utmutex-0263): AE_BAD_PARAMETER, Thread FFFF81103CC54000 could not acquire Mutex [1] [20070126] [akpm@linux-foundation.org: export acpi_pci_disabled for acpiphp.ko] [akpm@linux-foundation.org: fix return statement] Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-21PCI: irq: patch for Intel ICH10 DeviceID'sJason Gaston
This patch adds the Intel ICH10 LPC Controller DeviceID's. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-21Merge branch 'master' of ↵Paul Mackerras
git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge
2008-02-21[POWERPC] pasemi: Remove warning in mpic_pasemi_msi.cOlof Johansson
Remove warning: arch/powerpc/sysdev/mpic_pasemi_msi.c: In function 'pasemi_msi_setup_msi_irqs': arch/powerpc/sysdev/mpic_pasemi_msi.c:135: warning: 'addr' is used uninitialized in this function Turns out addr wasn't even used, it's a leftover from the u3msi code. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-21[POWERPC] pasemi: Register i2c devices at bootOlof Johansson
Setup i2c_board_info based on device tree contents. This has to be a device_initcall since we need PCI to be probed by the time we run it, but before the actual driver is initialized. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-21Hibernation: Handle DEBUG_PAGEALLOC on x86Rafael J. Wysocki
Make hibernation work with CONFIG_DEBUG_PAGEALLOC set on x86, by checking if the pages to be copied are marked as present in the kernel mapping and temporarily marking them as present if that's not the case. No functional modifications are introduced if CONFIG_DEBUG_PAGEALLOC is unset. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-20FRV: Change the timerfd syscalls to be the same as i386David Howells
Change the FRV timerfd syscalls to be the same as i386 timerfd syscalls. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-20FRV: Drop the .data.idt section for FRVDavid Howells
There is no .data.idt section for FRV, so drop it from the linker script. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-20[POWERPC] cell: fix spurious false return from spu_trap_data_{map,seg}Andre Detsch
At present, the __spufs_trap_data_map and __spu_trap_data_seq functions exit if spu->flags has the SPU_CONTEXT_SWITCH_ACTIVE set. This was resulting in suprious returns from these functions, as they may be legitimately called when we have this bit set. We only use it in these two sanity checks, so this change removes the flag completely. This fixes hangs in the page-fault path of SPE apps. Signed-off-by: Andre Detsch <adetsch@br.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
2008-02-20[POWERPC] Fix warning in pseries/power.cStephen Rothwell
Introduced by commit 79393fc46ede43451a500a132e5de9856f5a4c83 ("kobject: convert pseries/power.c to kobj_attr interface"). sys_create_file takes a "struct attrbute *" not a "struct kobj_addribute *". arch/powerpc/platforms/pseries/power.c: In function 'apo_pm_init': arch/powerpc/platforms/pseries/power.c:78: warning: passing argument 2 of 'sysfs_create_file' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-20[POWERPC] Fix bootwrapper builds with older gcc versionsJosh Boyer
GCC versions before 3.4 did not support the -mcpu=440 option. Use -mcpu=405 for the 4xx specific bootwrapper files, as that has been around for much longer. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-20[POWERPC] Fix dt_mem_next_cell() to read the full addressBecky Bruce
dt_mem_next_cell() currently does of_read_ulong(). This does not allow for the case where #size-cells and/or #address-cells = 2 on a 32-bit system, as it will end up reading 32 bits instead of the expected 64. Change it to use of_read_number instead and always return a u64. Signed-off-by: Becky Bruce <becky.bruce at freescale.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-20[POWERPC] Kill sparse warnings in kprobesAnanth N Mavinakayanahalli
Fix sparse warnings in powerpc kprobes: CHECK arch/powerpc/kernel/kprobes.c arch/powerpc/kernel/kprobes.c:277:6: warning: symbol 'kretprobe_trampoline_holder' was not declared. Should it be static? arch/powerpc/kernel/kprobes.c:287:15: warning: symbol 'trampoline_probe_handler' was not declared. Should it be static? arch/powerpc/kernel/kprobes.c:525:16: warning: symbol 'jprobe_return_end' was not declared. Should it be static? Fix along the same lines as http://lkml.org/lkml/2008/2/13/642 Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-19Merge branch 'agp-patches' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6 * 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6: agp: fix missing casts that produced a warning. agp: add support for 662/671 to agp driver fix historic ioremap() abuse in AGP agp/sis: Suspend support for SiS AGP agp/sis: Clear bit 2 from aperture size byte as well
2008-02-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (32 commits) x86: fix page_is_ram() thinko x86: fix WARN_ON() message: teach page_is_ram() about the special 4Kb bios data page x86: i8259A: remove redundant irq_descinitialization x86: fix vdso_install breaks user "make install" x86: change IO delay back to 0x80 x86: lds - Use THREAD_SIZE instead of numeric constant x86: lds - Use PAGE_SIZE instead of numeric constant x86 cleanup: suspend_asm_64.S - use X86_CR4_PGE instead of numeric value x86: docs fixes to Documentation/i386/IO-APIC.txt x86: fix printout ugliness in cpu info printk x86: clean up csum-wrappers_64.c some more x86: coding style fixes in arch/x86/lib/csum-wrappers_64.c x86: coding style fixes in arch/x86/lib/io_64.c x86: exclude vsyscall files from stackprotect x86: add pgd_large() on 64-bit, for consistency x86: minor cleanup of comments in processor.h x86: annotate pci/common.s:pci_scan_bus_with_sysdata with __devinit x86: fix section mismatch in head_64.S:initial_code x86: fix section mismatch in srat_64.c:reserve_hotadd x86: fix section mismatch warning in topology.c:arch_register_cpu ...
2008-02-19Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] BCM47XX: Use new SSB SPROM data structure [MIPS] WGT634U: Register MTD as platform device. [MIPS] BCM47xx: Add defconfig file. [MIPS] RM: fix EISA=n compilation [MIPS] PCI: Coding style fixes for pcibios_enable_resources. [MIPS] PCI: Port i386 PCI fixes. [MIPS] Qemu: finish platform removal [MIPS] Wire up the timerfd_*() o32 system calls [MIPS] IP28: Add defconfig file [MIPS] SB1: Fix CONFIG_SIBYTE_DMA_PAGEOPS build failure. [MIPS] BCM1480: Remove stray function call resulting in infinite recursion [MIPS] Fix buggy invocations of kmap_coherent() [MIPS] Fix broken rm7000/rm9000 interrupt handling [MIPS] Handle I-cache coherency in flush_cache_range() [MIPS] IP27: Add missing ~ in DMA code. [MIPS] Use find_task_by_vpid in system calls
2008-02-19Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: (29 commits) [XTENSA] Allow debugger to modify the WINDOWBASE register. [XTENSA] Fix makefile to work with binutils-2.18. [XTENSA] Fix register corruption for certain processor configurations [XTENSA] Fix cache flush macro for D$/I$ aliasing/non-aliasing [XTENSA] Exclude thread-global registers from the xtregs structures. [XTENSA] Add support for the sa_restorer function [XTENSA] Add support for configurable registers and coprocessors [XTENSA] Clean up stat structs. [XTENSA] Use preprocessor to generate the linker script for the ELF boot image [XTENSA] Add missing RELOCATE_ENTRY for debug vector [XTENSA] Add volatile keyword to asm statements accessing counter registers [XTENSA] Remove unused code [XTENSA] Fix modules for non-exec processor configurations [XTENSA] Add missing cast in elf.h ELF_CORE_COPY_REGS() [XTENSA] Fix comments regarding the number of frames to save [XTENSA] Add missing a2 register restore in register spill routine [XTENSA] adjust boot linker script start addresses [XTENSA] Remove oldmask from sigcontext and fix register flush [XTENSA] Clean up elf-gregset. [XTENSA] Fix icache flush for cache aliasing ...
2008-02-19MN10300: Update asb2303_defconfigDavid Howells
Update the ASB2303 default configuration. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19MN10300: Make the kernel jump into gdbstub on a BUGDavid Howells
Make the kernel jump into gdbstub (if configured) on a BUG with the register set from the BUG rather than interpolating another illegal instruction and leaving gdbstub's idea of the process counter in unsupported_syscall() where the original BUG was detected. With this patch, gdbstub reports a SIGABRT to the compiler and reports the program counter at the original BUG, allowing the execution state at the time of the BUG to be examined with GDB. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19MN10300: Introduce barriers to replace removed volatiles in gdbstubDavid Howells
Introduce into the MN10300 gdbstub a couple of barrier() calls to replace the removed volatility of the input/output index variables for the Rx ring buffer. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19MN10300: Call update_process_times() outside of the xtime_lockDavid Howells
Call update_process_times() outside of the xtime_lock. Somewhere somewhere inside one of the functions called by that, xtime_lock is readlocked, which ends up in a deadlock situation. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19[MIPS] BCM47XX: Use new SSB SPROM data structureAurelien Jarno
Switch the BCM47XX code to the new SPROM data structure now that the old one has been removed. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] WGT634U: Register MTD as platform device.Aurelien Jarno
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] BCM47xx: Add defconfig file.Aurelien Jarno
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] PCI: Coding style fixes for pcibios_enable_resources.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] PCI: Port i386 PCI fixes.Ralf Baechle
The MIPS version of pcibios_enalbe_resources did not have the fixes from ed6d14f9760857c745206c978b80352fc09cfd19 yet which under circumstances similar to x86 might result in failures. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Qemu: finish platform removalAdrian Bunk
Two files were omitted from the recent removal of the qemu platform. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Wire up the timerfd_*() o32 system callsDmitri Vorobiev
This patch enables the system calls timerfd_create(), timerfd_settime() and timerfd_gettime() for MIPS architecture. Please see the following Bugzilla entry for more details: http://bugzilla.kernel.org/show_bug.cgi?id=10038 This was tested using a Malta 4Kc board in both little-endian and big-endian modes. The unit test program is available from the URL above. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com> [Ralf: Added N64, N32 and O32 bits on 64-bit kernels.] Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] IP28: Add defconfig fileThomas Bogendoerfer
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] SB1: Fix CONFIG_SIBYTE_DMA_PAGEOPS build failure.Thiemo Seufer
Fix type mismatch warnings for 64-bit kernel builds which trigger -Werror. The problem affects only SB-1 kernels with CONFIG_SIBYTE_DMA_PAGEOPS enabled. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] BCM1480: Remove stray function call resulting in infinite recursionRalf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Fix buggy invocations of kmap_coherent()Ralf Baechle
kmap_coherent will only work correctly if the page it is called on is not marked dirty. If it's dirty the kernel address of the page should be used instead of a temporary mapping. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Fix broken rm7000/rm9000 interrupt handlingThomas Koeller
Properly acknowledge RM7K and RM9K interrupts. Before this, interrupts were permanently masked after their first occurrence, making them non-functional. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Handle I-cache coherency in flush_cache_range()Ralf Baechle
So far flush_cache_range() did't consider the I-cache largely because it did rarely ever matter to real world code. This was working primarily because normally code and data are don't share the same pages - with the exception of MIPS16 code which uses address constants embedded between the code. The following sequence of events may break the code: o MIPS16 executable being loaded o dynamic linker relocates the address constants embedded into the code: o Uses mprotect(2) to make code pages PROT_READ|PROT_WRITE o Performs the actual relocations by writing to the pages which likely are COW. Because no PROT_EXEC is set I-cache coherence will not be considered. o Uses mprotect(2) to switch code pages back to PROT_READ|PROT_EXEC. This results in a call to flush_cache_range() which also does not consider I-caches. o => executing the page just having been relocated may now result in the I-cache getting refilled with stale data from memory. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19[MIPS] Use find_task_by_vpid in system callsPavel Emelyanov
There are some places left in mips, that lookup task in initial namespace, while the code doing so gets the pid from the user space and thus must treat it as virtual. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-02-19Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] qdio: FCP/SCSI write I/O stagnates on LPAR [S390] Fix futex_atomic_cmpxchg_std inline assembly. [S390] dcss: Fix Unlikely(x) != y [S390] sclp: clean up send/receive naming scheme [S390] etr: fix compile error on !SMP [S390] qdio: fix qdio_activate timeout handling. [S390] Initialize per cpu lowcores on cpu hotplug. [S390] find bit corner case. [S390] dasd: fix locking in __dasd_device_process_final_queue [S390] Make sure enabled wait psw is loaded in default_idle. [S390] Let NR_CPUS default to 32/64 on s390/s390x. [S390] cio: Do timed recovery on workqueue. [S390] cio: Remember to initialize recovery_lock.
2008-02-19Merge 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 regs_return_value(). [SPARC64]: Kill pcic_present(). [SPARC]: Kill 'prom_palette'. [ATYFB]: Kill 'prom_palette' sparc code. [SPARC64]: Kill 'prom_keyboard'. [SPARC]: Kill extern decl of 'panic_setup'. [SPARC64]: Delete 'boot_flags'. [SPARC64]: Kill unused function 'kernel_enter_debugger'. [SPARC64] arch/sparc64/kernel/unaligned.c: Use time_* macros [SPARC64]: Always register a PROM based early console. [SPARC64]: Update defconfig. [SPARC64]: Add -mtune=ultrasparc3 if possible. [SPARC64]: Remove Makefile code for ancient gcc and binutils. [SPARC64]: Remove DEBUG_BOOTMEM. [SPARC64]: Use shorter "get_zeroed_page" call. [SPARC]: Use shorter form of "get_zeroed_page". [SPARC]: video/cg14.c and video/sbuslib.c build fixes
2008-02-19x86: fix page_is_ram() thinkoArjan van de Ven
page_is_ram() has a special case for the 640k-1M bios area, however due to a thinko the special case checks the e820 table entry and not the memory the user has asked for. This patch fixes the bug. [ mingo@elte.hu: this too is better solved in the e820 space, but those fixes are too intrusive for v2.6.25. ] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: fix WARN_ON() message: teach page_is_ram() about the special 4Kb bios ↵Arjan van de Ven
data page This patch teaches page_is_ram() about the fact that the first 4Kb of memory are special on x86, even though the E820 table normally doesn't exclude it. This fixes the WARN_ON() reported by Laurent Riffard who was also very helpful in diagnosing the issue. [ mingo@elte.hu: we are working on doing this properly in the e820 space, but for 2.6.25 this is the better fix. ] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: i8259A: remove redundant irq_descinitializationAhmed S. Darwish
Remove redundant irq_desc[NR_IRQS] element initialization in init_ISA_irqs(). irq_desc[NR_IRQS] is already statically initialized with the same values in kernel/irq/handle.c . besides the clean-up value this also saves some space: text data bss dec hex filename 1389 356 14 1759 6df i8259_32.o.before 1325 356 14 1695 69f i8259_32.o.after Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: fix vdso_install breaks user "make install"Sam Ravnborg
I suggest to make the vdso_install step independent as in following patch. This solves the issue at ahnd and still gives us the posibility to install the files should they be needed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: change IO delay back to 0x80Ingo Molnar
change back the IO delay to 0x80. Alan says that 0xed is known to break some older boxes, and given that the get-rid-of-outb-APIs efforts are well underway we should just let them be finished. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: lds - Use THREAD_SIZE instead of numeric constantCyrill Gorcunov
Though we use PDA for regular task stack but that is not acceptable for init_task wich is special one. We still have to allocate init_task's stack in that manner. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19x86: lds - Use PAGE_SIZE instead of numeric constantCyrill Gorcunov
It's much better to use PAGE_SIZE then magic 4096 (though it's almost synonym in most cases on x86 but not for *all* cases ;) Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>