- 19 5月, 2008 13 次提交
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由 Josh Boyer 提交于
The PowerPC 440EP, 440GR, 440EPx, and 440GRx chips have an issue that causes the PLB3-to-PLB4 bridge to wait indefinitely for transaction requests that cross the end-of-memory-range boundary. Since the DDR controller only returns the valid portion of a read request, the bridge will prevent other PLB masters from completing their transactions. This implements the recommended workaround for this errata for chips that use older versions of firmware that do not already handle it. The last 4KiB of memory are hidden from the kernel to prevent the problem transactions from occurring. Signed-off-by: NJosh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: NStefan Roese <sr@denx.de> Signed-off-by: NJosh Boyer <jwboyer@linux.vnet.ibm.com>
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由 Paul Mundt 提交于
There are a few different types of debug trap exceptions, though now that they are all going through a special jump table, the restorer needs to be unified as well. Presently this is falling through the ret_from_fork path, which more or less does the right thing on SH-3/4 whilst being completely unsuitable on MMU-less targets. Ultimately what we want here is a branch through the platform's restore_all directly, without worrying about the retval being clobbered. We can accomplish that through a branch to __restore_all directly, so switch it so we come back from the jump table and branch to the restorer. This fixes up a recursion in the nommu WARN_ON() path, as well as some other userspace nastiness where said recursion caused serious stack corruption. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
Currently is_valid_bugaddr() is true for anything >= PAGE_OFFSET, which happens to be 0 on nommu configurations. Make this a bit smarter by just reading in the opcode and comparing it against the trap type that we already know. Follows the logic from avr32. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Geert Uytterhoeven 提交于
Add multi_defconfig, to build a kernel for all supported m68k platforms, excluding Sun 3 (Sun 3 kernels are incompatible with all other m68k platforms) Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
Update the m68k defconfigs Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
m68k: Correctly handle multi-ISA at runtime in multi-platform kernels Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
The *_ISA type defines are quite generic and cause namespace conflicts (e.g. with `AMIGAHW_DECLARE(GG2_ISA)' in <asm/amigahw.h>) for some kernel configurations. Use ISA_TYPE_* to avoid such conflicts. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
UIO needs m68k_mmutype: ERROR: "m68k_mmutype" [drivers/uio/uio.ko] undefined! (noticed by Christian T. Steigies) Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
Mark Q40/Q60 floppy support broken: arch/m68k/q40/q40ints.c: In function 'q40_irq_handler': arch/m68k/q40/q40ints.c:214: error: implicit declaration of function 'floppy_hardint' Including <asm/floppy.h> doesn't help, as it causes a lot of additional error messages (cfr. Sun 3x). Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
When running a HP300-enabled kernel on non-HP300 hardware, a test in the early startup code jumps to the wrong label, causing a double bus fault. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Geert Uytterhoeven 提交于
The Hisoft Whippet PCMCIA serial driver has been removed a long time ago, but it's Kconfig symbol still existed. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jean Delvare 提交于
The old device/driver matching scheme is going away so stop using it. Signed-off-by: NJean Delvare <khali@linux-fr.org> Acked-by: NOlof Johansson <olof@lixom.net>
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由 Jean Delvare 提交于
I2C_BOARD_INFO() now sets the type field so no need to set it separatetly. Signed-off-by: NJean Delvare <khali@linux-fr.org> Cc: Bryan Wu <cooloney@kernel.org>
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- 18 5月, 2008 14 次提交
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由 Marcelo Tosatti 提交于
Only use the APIC pending timers count to break out of HLT emulation if the timer vector is enabled. Certain configurations of Windows simply mask out the vector without disabling the timer. Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Xiantao Zhang 提交于
The GVMM module is position independent since it is relocated to the guest address space. Commit ea696f9c ("ia64 kvm fixes for O=... builds") broke this by linking GVMM with non-PIC objects. Fix by creating two files: memset.S and memcpy.S which just include the files under arch/ia64/lib/{memset.S, memcpy.S} respectively. [akpm: don't delete files which we need] Signed-off-by: NXiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Marcelo Tosatti 提交于
Otherwise hlt emulation fails if PIT is not injecting IRQ's. Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
A register destination encoded with a mod=3 encoding left dst.ptr NULL. Normally we don't trap writes to registers, but in the case of smsw, we do. Fix by pointing dst.ptr at the destination register. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Russell King 提交于
... so include the header file. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Michael Abbott 提交于
Two changes are necessary to enable proper operation of the DM9000 device with the Colibri PXA 270 board: firstly, the IRQ type needs to be configured for rising edge interrupts, and secondly this configuration needs to be communicated through to the DM9000. [akpm@linux-foundation.org: remove set_irq_type() call as per ben-linux request] Signed-off-by: NMichael Abbott <michael.abbott@diamond.ac.uk> Cc: Daniel Mack <daniel@caiaq.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Adrian Bunk 提交于
This patch adds the missing MODULE_LICENSE("GPL"). Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Lennert Buytenhek 提交于
Whereas most Orion 5x machine support code would initialise the PCI subsystem with nr_controllers in their struct hw_pci set to 2, the DNS323 and Kurobox Pro machine support code had nr_controllers set to 1. This was presumably done because on those two machines, the PCI(-X) controller (nr == 1) isn't used, requiring initialisation of only the PCIe controller (nr == 0.) However, not initialising the PCI(-X) controller on boards that don't use it leads to a situation where both the PCIe and the PCI(-X) controller think that their root bus is zero, and it messes up IRQ assignment. This patch changes the DNS323 and Kurobox Pro support code to always use nr_controllers == 2. Signed-off-by: NLennert Buytenhek <buytenh@marvell.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Lennert Buytenhek 提交于
The CPU's dma_flush_range() operation needs to clean+invalidate the given memory area if the cache is in writeback mode, or do just the invalidate part if the cache is in writethrough mode, but the current proc-arm{925,926,940,946} (incorrectly) do a cache clean in the latter case. This patch fixes that. Signed-off-by: NLennert Buytenhek <buytenh@marvell.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Russell King 提交于
Martin Michlmayr reported that fuse complains: ERROR: "copy_page" [fs/fuse/fuse.ko] undefined! so export the needed function. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Thomas Kunze 提交于
irqs.h: * rename IRQ_LOCOMO_SPI_OVRN to IRQ_LOCOMO_SPI_REND locomo.h: * add some definition for locomo spi controller * correct some errors locomo.c: * correct some errors * add set_type for locomo gpio irq chip Signed-off-by: NThomas Kunze <thommycheck@gmx.de> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Thomas Gleixner 提交于
The previous revert of 0c07ee38 left out the mwait disable condition for AMD family 10H/11H CPUs. Andreas Herrman said: It depends on the CPU. For AMD CPUs that support MWAIT this is wrong. Family 0x10 and 0x11 CPUs will enter C1 on HLT. Powersavings then depend on a clock divisor and current Pstate of the core. If all cores of a processor are in halt state (C1) the processor can enter the C1E (C1 enhanced) state. If mwait is used this will never happen. Thus HLT saves more power than MWAIT here. It might be best to switch off the mwait flag for these AMD CPU families like it was introduced with commit f039b754 (x86: Don't use MWAIT on AMD Family 10) Re-add the AMD families 10H/11H check and disable the mwait usage for those. Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Avi Kivity 提交于
pat_disable() is __init, which means it goes away after booting is complete. Unfortunately it is used by the hotplug code if the machine is not pat-capable, causing a crash. Fix by marking pat_disable() as __cpuinit. Signed-off-by: NAvi Kivity <avi@qumranet.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Vegard Nossum reports: | powertop shows between 200-400 wakeups/second with the description | "<kernel IPI>: Rescheduling interrupts" when all processors have load (e.g. | I need to run two busy-loops on my 2-CPU system for this to show up). | | The bisect resulted in this commit: | | commit 0c07ee38 | Date: Wed Jan 30 13:33:16 2008 +0100 | | x86: use the correct cpuid method to detect MWAIT support for C states remove the functional effects of this patch and make mwait unconditional. A future patch will turn off mwait on specific CPUs where that causes power to be wasted. Bisected-by: NVegard Nossum <vegard.nossum@gmail.com> Tested-by: NVegard Nossum <vegard.nossum@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 19 5月, 2008 1 次提交
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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- 17 5月, 2008 8 次提交
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Cliff Cai 提交于
support two cascaded AD73322 cards, more uncached DMA memory is needed, so add a choice to provide 4M DMA memory Signed-off-by: NCliff Cai <cliff.cai@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Mike Frysinger 提交于
so that we always send the same signal and we handle the NULL ptr condition properly Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Michael Hennerich 提交于
IMDMA does not operate to full speed for 600MHz and higher devices Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
This fixes the missing ram regression reported by Mikael Pettersson <mikpe@it.uu.se>, much thanks for all of this help in diagnosing this. The second argument to lmb_reserve() is a size, not an end address bounds. Tested-by: NMikael Pettersson <mikpe@it.uu.se> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 5月, 2008 4 次提交
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由 Harvey Harrison 提交于
Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Yoshihiro Shimoda 提交于
Signed-off-by: NYoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Hideo Saito 提交于
Entry to resume_userspace expects r8 to contain current_thread_info, which happens in all paths except for syscall_badsys, where r8 was being inadvertently trampled. Reload it before the branch. Signed-off-by: NHideo Saito <saito@densan.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Hideo Saito 提交于
Signed-off-by: NHideo Saito <saito@densan.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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