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2008-10-13x86: print out EBDA/lowmem addressIngo Molnar
it's useful for debugging purposes to know the location of the EBDA. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: check dsdt before find oem table for es7000, v2Yinghai Lu
v2: use __acpi_unmap_table() Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86-64: don't check for map replacementJeremy Fitzhardinge
The check prevents flags on mappings from being changed, which is not desireable. There's no need to check for replacing a mapping, and x86-32 does not do this check. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: use early_memremap() in setup.cJeremy Fitzhardinge
The remappings in setup.c are all just ordinary memory, so use early_memremap() rather than early_ioremap(). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: add early_memremap()Jeremy Fitzhardinge
early_ioremap() is also used to map normal memory when constructing the linear memory mapping. However, since we sometimes need to be able to distinguish between actual IO mappings and normal memory mappings, add a early_memremap() call, which maps with PAGE_KERNEL (as opposed to PAGE_KERNEL_IO for early_ioremap()), and use it when constructing pagetables. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: remove duplicate early_ioremap declarationsJeremy Fitzhardinge
early_ioremap() is redeclared in several places; remove them. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: add _PAGE_IOMAP pte flag for IO mappingsJeremy Fitzhardinge
Use one of the software-defined PTE bits to indicate that a mapping is intended for an IO address. On native hardware this is irrelevent, since a physical address is a physical address. But in a virtual environment, physical addresses are also virtualized, so there needs to be some way to distinguish between pseudo-physical addresses and actual hardware addresses; _PAGE_IOMAP indicates this intent. By default, __supported_pte_mask masks out _PAGE_IOMAP, so it doesn't even appear in the final pagetable. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: trace_hardirqs_fixup should now not be necessary: irqs are off.Alexander van Heukelum
The exception handlers in entry_32.S should now all call TRACE_IRQS_OFF before calling the C code. The calls to trace_hardirqs_fixup should now be unnecessary. Remove them. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: add TRACE_IRQS_OFF for the exception 3 (int3)Alexander van Heukelum
At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: add TRACE_IRQS_OFF for the nmiAlexander van Heukelum
At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: add TRACE_IRQS_OFF for exception 1 (debug)Alexander van Heukelum
At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: add TRACE_IRQS_OFF to entry_32.S in 'error_code'Alexander van Heukelum
Many exceptions use the same code path via the label 'error_code' in entry_32.S. At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: remove temporary DO_TRAP macros, expanding the last one usedAlexander van Heukelum
Only one use of the DO_TRAP macros remains. Expand that one and remove the macros now. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 19 to an interrupt gateAlexander van Heukelum
Handle SIMD coprocessor exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 18 to an interrupt gateAlexander van Heukelum
Handle machine check exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 17 to an interrupt gateAlexander van Heukelum
Handle alignment check exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 16 to an interrupt gateAlexander van Heukelum
Handle coprocessor error exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 15 to an interrupt gateAlexander van Heukelum
Handle exception 15 with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 13 to an interrupt gateAlexander van Heukelum
Handle general protection exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 12 to an interrupt gateAlexander van Heukelum
Handle stack segment exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 11 to an interrupt gateAlexander van Heukelum
Handle segment not present exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 10 to an interrupt gateAlexander van Heukelum
Handle invalid TSS exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 9 to an interrupt gateAlexander van Heukelum
Handle coprocessor segment overrun exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 7 to an interrupt gateAlexander van Heukelum
Handle no coprocessor exception with interrupt initially off. device_not_available in entry_32.S calls either math_state_restore or math_emulate. This patch adds an extra indirection to be able to re-enable interrupts explicitly in traps_32.c Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 6 to an interrupt gateAlexander van Heukelum
Handle invalid opcode exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 5 to an interrupt gateAlexander van Heukelum
Handle bounds exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 4 to an interrupt gateAlexander van Heukelum
Handle overflow exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: expand exception 3 DO_TRAP macroAlexander van Heukelum
The int3 exception was already takes as an interrupt and do_int3 does not fit in the new DO_ERROR macro. This patch just expands the DO_TRAP macro and rearranges the code a bit. No functional changes intended. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: convert hardware exception 0 to an interrupt gateAlexander van Heukelum
Handle divide error exception with interrupt initially off. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: prepare to convert exceptions to interruptsAlexander van Heukelum
There is some macro magic in traps_32.c to construct standard exception dispatch functions. This patch renames the DO_ERROR- like macros to DO_TRAP, and introduces new DO_ERROR ones that conditionally reenable interrupts explicitly, like x86_64. No code changes. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: remove kprobes' restore_interrupts in favour of conditional_stiAlexander van Heukelum
x86_64 uses a helper function conditional_sti in traps_64.c which is equal to restore_interrupts in kprobes.h. The only user of restore_interrupts is in traps_32.c. Introduce conditional_sti for i386 and remove restore_interrupts. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: rename discontig_32.c to numa_32.cYinghai Lu
name it in line with its purpose. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13arch/x86/kernel/smpboot.c: Clarify when irq processing begins.Manfred Spraul
Secondary cpus start with local interrupts disabled. start_secondary() first initializes the new cpu, then it enables the local interrupts. (although interrupts are enabled within smp_callin() as well). Right now, the local interrupts are enabled as a side effect of calling ipi_call_lock_irq(). The attached patch clarifies when local interrupts are enabled. Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86-64: slightly stream-line 32-bit syscall entry codeJan Beulich
Avoid updating registers or memory twice as well as needlessly loading or copying registers. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86-64: reduce boot fixmap spaceJan Beulich
Just like for 32-bit - as 256 entries are needed, aligning to a 256-entry boundary is sufficient and still guarantees the single pte table requirement. Likewise move up __end_of_permanent_fixed_addresses, to match 32-bit. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-12MAINTAINERS: remove colon from headingsRandy Dunlap
Remove ending ':' from some of the Topic lines for consistency. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-12MAINTAINERS: add F: and acronymsRandy Dunlap
Add F: definition since it is being used. Expand acronyms or add them so that users of MAINTAINERS file can find entries more easily. Correct driver spelling. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-12MAINTAINERS: alpha sortRandy Dunlap
Sorted case-insensitive (sort -f). Groups that begin with ARM, INTEL, etc. not sorted. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-12Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix kconfig typo and extra whitespace ext4: fix build failure without procfs ext4: add an option to control error handling on file data jbd2: don't dirty original metadata buffer on abort ext4: add checks for errors from jbd2 jbd2: fix error handling for checkpoint io jbd2: abort when failed to log metadata buffers
2008-10-12ext4: fix kconfig typo and extra whitespaceJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2008-10-12ext4: fix build failure without procfsAlexander Beregalov
fs/ext4/super.c: In function 'ext4_fill_super': fs/ext4/super.c:2226: error: 'ext4_ui_proc_fops' undeclared (first use in this function) fs/ext4/super.c:2226: error: (Each undeclared identifier is reported only once fs/ext4/super.c:2226: error: for each function it appears in.) Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2008-10-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] cifs: remove pointless lock and unlock of GlobalMid_Lock in header_assemble
2008-10-12Fix Kconfig dependency for WM97xx battery driverLinus Torvalds
It needs the WM97xx touchscreen driver to be compiled in, not as a module. And it cannot itself be a module, due to some unfortunate interactions with platform data. Reported-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-12Merge branch 'x86-core-v2-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip This merges in: x86/build, x86/microcode, x86/spinlocks, x86/memory-corruption-check, x86/early-printk, x86/xsave, x86/quirks, x86/setup, x86/signal, core/signal, x86/urgent, x86/xen * 'x86-core-v2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (142 commits) x86: make processor type select depend on CONFIG_EMBEDDED x86: extend processor type select help text x86, amd-iommu: propagate PCI device enabling error warnings: fix arch/x86/kernel/io_apic_64.c warnings: fix arch/x86/kernel/early_printk.c x86, fpu: check __clear_user() return value x86: memory corruption check - cleanup x86: ioperm user_regset xen: do not reserve 2 pages of padding between hypervisor and fixmap. xen: use spin_lock_nest_lock when pinning a pagetable x86: xsave: set FP, SSE bits in the xsave header in the user sigcontext x86: xsave: fix error condition in save_i387_xstate() x86: SB450: deprioritize DMI quirks x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC x86: replace a magic number with a named constant in the VESA boot code x86 setup: remove IMAGE_OFFSET x86 setup: remove DEF_INITSEG and DEF_SETUPSEG Revert "x86: fix ghost EDD devices in /sys again" x86 setup: fix ghost entries under /sys/firmware/edd take 3 x86: signal: remove indent in restore_sigcontext() ...
2008-10-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: Fix build failures in board code avr32: Allow selecting multiple pins at once avr32: Minor pm_power_off cleanup avr32: Implement {read,write}[bwl]_be avr32: Replace static clock list with dynamic linked list avr32: Use platform_driver_probe for pdc platform driver avr32: Use platform_driver_probe for pio platform driver avr32: Provide a way to deselect pins in the portmux ngw100: export J15 through sysfs avr32: Allow fine-grained control over LCDC pins avr32: added mem kernel command line option support Add kernel support for oprofile callgraphs on AVR32 avr32: use the new byteorder headers
2008-10-12Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (24 commits) MMC: Use timeout values from CSR MMC: CSD and CID timeout values sdhci: 'scratch' may be used uninitialized mmc: explicitly mention SDIO support in Kconfig mmc: remove redundant "depends on" Fix comment in include/linux/mmc/host.h sdio: high-speed support mmc_block: hard code 512 byte block size sdhci: force high speed capability on some controllers mmc_block: filter out PC requests mmc_block: indicate strict ordering mmc_block: inform block layer about sector count restriction sdio: give sdio irq thread a host specific name sdio: make sleep on error interruptable sdhci: reduce card detection delay sdhci: let the controller wait for busy state to end atmel-mci: Add missing flush_dcache_page() in PIO transfer code atmel-mci: Don't overwrite error bits when NOTBUSY is set atmel-mci: Add experimental DMA support atmel-mci: support multiple mmc slots ...
2008-10-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] orion5x_wdt.c: add spinlocking [WATCHDOG] Orion: add hardware watchdog support [WATCHDOG] omap_wdt.c: cleanup a bit omap_wdt.c [WATCHDOG] omap_wdt.c: another ioremap() fix [WATCHDOG] omap_wdt.c: sync linux-omap changes [WATCHDOG] Add AT91SAM9X watchdog [WATCHDOG] Add driver for winbond w83697ug/uf watchdog feature [WATCHDOG] add watchdog driver IT8716 IT8726 IT8712J/K
2008-10-12Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: fix early panic on amd64 due to typo in supported CPU section x86, early_ioremap: fix fencepost error x86: avoid dereferencing beyond stack + THREAD_SIZE
2008-10-12provide generic_block_fiemap() only with BLOCK=yAdrian Bunk
This fixes the following compile error with CONFIG_BLOCK=n caused by commit 68c9d702bb72f367f3b148963ec6cf5e07ff7f65 ("generic block based fiemap implementation"): CC fs/ioctl.o fs/ioctl.c: In function 'generic_block_fiemap': fs/ioctl.c:249: error: storage size of 'tmp' isn't known fs/ioctl.c:272: error: invalid application of 'sizeof' to incomplete type 'struct buffer_head' fs/ioctl.c:280: error: implicit declaration of function 'buffer_mapped' fs/ioctl.c:249: warning: unused variable 'tmp' make[2]: *** [fs/ioctl.o] Error 1 Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Josef Bacik <jbacik@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-12add key_revoke() dummy for KEYS=nAdrian Bunk
This fixes the following build error with CONFIG_KEYS=n, caused by commit dfd15c46a6c2cafb006183c0c14f07e59eee4ac0 ("cifs: explicitly revoke SPNEGO key after session setup"): CC [M] fs/cifs/sess.o fs/cifs/sess.c: In function 'CIFS_SessSetup': fs/cifs/sess.c:628: error: implicit declaration of function 'key_revoke' make[3]: *** [fs/cifs/sess.o] Error 1 Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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