- 01 May, 2006 2 commits
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David S. Miller authored
A context switch will force a call to flush_tlb_pending() (via switch_to()), so if we test tlb_nr to be non-zero, then sleep, it would become zero and later back at the original context we'll pass zero down into the TLB flushing code which should never see a nr argument of zero. Signed-off-by:David S. Miller <davem@davemloft.net>
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David S. Miller authored
This function no longer exists. Signed-off-by:
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- 30 Apr, 2006 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [PATCH] powerpc: update cell_defconfig [PATCH] spufs: Disable local interrupts for SPE hash_page calls. [PATCH] powerpc: Add cputable entry for POWER6 [PATCH] ppc32 CPM_UART: Fixed odd address translations [PATCH] ppc32: Update board-specific code of the CPM UART users [PATCH] ppc32 CPM_UART: Convert to use platform devices [PATCH] ppc32: odd fixes and improvements in ppc_sys [PATCH] powerpc: Wire up *at syscalls [PATCH] ppc32: add 440GX erratum 440_43 workaround [PATCH] powerpc: Use check_legacy_ioport() on ppc32 too. [PATCH] powerpc64: Fix loading of modules without a .toc section [PATCH] sound/ppc: snd_pmac_toonie_init should be __init powerpc/pseries: Tell firmware our capabilities on new machines [PATCH] powerpc: Fix pagetable bloat for hugepages
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Ralf Baechle authored
Content of file au1200fb.c was duplicated. Remove. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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- 29 Apr, 2006 5 commits
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Linus Torvalds authored
Let people enable the advansys driver on x86-32, even though it's broken on other architectures due to missing DMA mapping infrastructure. It's used by Jeffrey Phillips Freeman <jeffreyfreeman@syncleus.com> and possibly others. Signed-off-by: -
Chuck Ebbert authored
The FXSAVE information leak patch introduced a bug in FP exception handling: it clears FP exceptions only when there are already none outstanding. Mikael Pettersson reported that causes problems with the Erlang runtime and has tested this fix. Signed-off-by:
Chuck Ebbert <76306.1226@compuserve.com> Acked-by:
Mikael Pettersson <mikpe@it.uu.se> Signed-off-by:
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Arnd Bergmann authored
reflect the changes to Kconfig since the last update. Signed-off-by:
Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by:
Paul Mackerras <paulus@samba.org>
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Arnd Bergmann authored
This patch disables and saves local interrupts during hash_page processing for SPE contexts. We have to do it explicitly in the spu_irq_class_1_bottom function. For the interrupt handlers, we get the behaviour implicitly by using SA_INTERRUPT to disable interrupts while in the handler. Signed-off-by:
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Anton Blanchard authored
Add a cputable entry for the POWER6 processor. The SIHV and SIPR bits in the mmcra have moved in POWER6, so disable support for that until oprofile is fixed. Also tell firmware that we know about POWER6. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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- 28 Apr, 2006 31 commits
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shin, jacob authored
transfer_objects should only be called when all of the cpus in the node are online. CPU_DEAD notifier callback marks l3->shared to NULL. Signed-off-by:
Jacob Shin <jacob.shin@amd.com> Signed-off-by:
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Antonino A. Daplas authored
Add help text in Kconfig Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Antonino A. Daplas authored
As reported in Bugzilla Bug 6406, resume from S3 results in a blank screen. For the IBM Thinkpad X30 using vesafb as the console driver, successful resume from S3 requires option acpi_sleep=s3_bios,s3_mode. Update documentation. I would presume that, in any hardware, using vesafb as the console driver will require as a minimum s3_mode. Signed-off-by:
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Martin Schwidefsky authored
Add sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file and sys_tee system calls. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Horst Hummel authored
Generate new sysfs-attribute 'uid' that contains an device specific unique identifier. This can be used to identity multiple ALIASES of the same physical device (PAV). In addition the sysfs-attributes 'vendor' (containing the manufacturer of the device) and 'alias' (identify alias or base device) is added. This is first part of PAV support in LPAR (also valid on zVM). Signed-off-by:
Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by:
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Christian Borntraeger authored
Add a read_mostly section and define __read_mostly to prevent cache line pollution due to writes for mostly read variables. In addition fix the incorrect alignment of the cache_line_aligned data section. s390 has a cacheline size of 256 bytes. Signed-off-by:
Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by:
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Heiko Carstens authored
In case of an instruction processing damage (IPD) machine check in kernel mode the resulting action is always to stop the kernel. This is not necessarily the best solution since a retry of the failing instruction might succeed. Add logic to retry the instruction if no more than 30 instruction processing damage checks occured in the last 5 minutes. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Gerald Schaefer authored
Print a warning with the z/VM error code if segment_load, segment_type or segment_save fail to ease the problem determination. Signed-off-by:
Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by:
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Stefan Bader authored
Added some changes that where proposed by Andrew Morton. Added 3592 device type. Signed-off-by:
Stefan Bader <shbader@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
Add support for atomic futex operations. Signed-off-by:
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Christian Borntraeger authored
With CONFIG_SLAB_DEBUG=y networking over qeth doesn't work. The problem is that the qib structure embedded in the qeth_irq structure needs an alignment of 256 but kmalloc only guarantees an alignment of 8. When using SLAB debugging the alignment of qeth_irq is not sufficient for the embedded qib structure which causes all users of qdio (qeth and zfcp) to stop working. Allocate qeth_irq structure with __get_free_page. That wastes a small amount of memory (~2500 bytes) per online adapter. Signed-off-by:
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Horst Hummel authored
The dasd state machine is not designed to enable an unformatted device, since 'unformatted' is a final state. The BIODASDENABLE ioctl calls dasd_enable_device() which never returns if the device is in this special state. Return -EPERM in dasd_increase_state for unformatted devices to make dasd_enable_device terminate. Note: To get such an unformatted device online it has to be re-analyzed. This means that the device needs to be disabled prior to re-enablement. Signed-off-by:
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Andreas Herrmann authored
Avoid memory allocation with GFP_KERNEL in qdio_establish/qdio_shutdown. Use memory pool instead. (Otherwise this can lead to an I/O stall where qdio waits for a free page and zfcp waits for end of error recovery in low memory situations.) Signed-off-by:
Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by:
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Laurent Meyer authored
If a signal handler has been established with the SA_ONSTACK option but no alternate stack is provided with sigaltstack(), the kernel still tries to install the alternate stack. Also when setting an alternate stack with sigalstack() and the SS_DISABLE flag, the kernel tries to install the alternate stack on signal delivery. Use the correct conditions sas_ss_flags() to check if the alternate stack has to be used. Signed-off-by:
Laurent Meyer <meyerlau@fr.ibm.com> Signed-off-by:
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Stefan Bader authored
Interrupts can stay disabled if an error occurred in _chp_add(). Use spin_unlock_irq on the error paths to reenable interrupts. Signed-off-by:
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Peter Oberparleiter authored
Fix a race condition in the I/O termination logic. The race can cause I/O to a dasd device to fail with no retry left after turning one channel path to the device off and on multiple times. Signed-off-by:
Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by:
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Masami Hiramatsu authored
Fix resume_execution() to handle iret and absolute jump opcode correctly on i386. Signed-off-by:
Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp> Cc: Satoshi Oshima <soshima@redhat.com> Cc: Hideo Aoki <haoki@redhat.com> Signed-off-by:
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mao, bibo authored
When trap happens in user space, kprobe_exceptions_notify() funtion will skip it. This patch deletes some unnecessary code for VM_MASK judgement in eflags. Signed-off-by:
bibo, mao <bibo.mao@intel.com> Cc: Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by:
"Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com> Acked-by:
Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp> Cc: Satoshi Oshima <soshima@redhat.com> Cc: Hideo Aoki <haoki@redhat.com> Signed-off-by:
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Andi Kleen authored
Running abnormal VM splits causes weird problems - people can set non-standard splits by accident, then lots of time gets wasted diagnosing it - see the long "[stable] 2.6.16.6 breaks java... sort of" email thread. So we need to make this option harder to set. Use CONFIG_EMBEDDED for this. CONFIG_EMBEDDED isn't really the right thing to use, but there's nothing else obvious and avoiding these problems is more important than Kconfig purity. Signed-off-by:
Andi Kleen <ak@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Ashok Raj authored
CPU_HOTPLUG has race conditions when we use broadcast mode IPI. - First we introduced no_broadcast option (see include/asm-i386/mach-default/mach_ipi.h) - x86_64 solved it by using physical flat mode (same as bigsmp on i386) since this will not use broadcast shortcuts for IPI. - We switched to use bigsmp on i386 so that we can have same handling as x86_64, but apparently this caused an error message, if kernel was compiled without X86_GENERICARCH, X86_BIGSMP. The message "You have >8 CPUS..." which was bogus and misleading, and only indicated one of the above ARCH wasnt selected. So we do not switch to automatic bigsmp for HOTPLUG_CPU support in i386 until the other related config dependencies for SMP_SUSPEND etc can be done right. Signed-off-by:Ashok Raj <ashok.raj@intel.com> Signed-off-by:
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Dave Jones authored
These messages are kinda silly.. CPU#0 had 0 usecs TSC skew, fixed it up. CPU#1 had 0 usecs TSC skew, fixed it up. inspired from: http://bugzilla.kernel.org/attachment.cgi?id=7713&action=viewSigned-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Adrian Bunk authored
A regression in the ALSA driver compared to the OSS driver was reported as ALSA bug #1520, so let's keep the OSS driver for now. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Eric Sesterhenn authored
this fixes coverity id #489. Since the last element in the array is always ARRAY_SIZE-1 we have to check for ipcnum >= ARRAY_SIZE() Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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Daniel Drake authored
If compiled into the kernel, parport_register_driver() is called before the parport driver has been initalised. This means that it is expected that tp_count is 0 after the parport_register_driver() call() - tipar's attach function will not be called until later during bootup. Signed-off-by:
Daniel Drake <dsd@gentoo.org> Cc: <stable@kernel.org> Signed-off-by:
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Andrew Morton authored
- Add new SA_PROBEIRQ which suppresses the new sharing-mismatch warning. Some drivers like to use request_irq() to find an unused interrupt slot. - Use it in i82365.c - Kill unused SA_PROBE. Signed-off-by:
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dean gaudet authored
There's an off-by-1 in kernel/power/main.c:state_store() ... if your kernel just happens to have some non-zero data at pm_states[PM_SUSPEND_MAX] (i.e. one past the end of the array) then it'll let you write anything you want to /sys/power/state and in response the box will enter S5. Signed-off-by:
dean gaudet <dean@arctic.org> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Vitaly Bordug authored
Current address translation methods can produce wrong results, because virt_to_bus and vice versa may not produce correct offsets on dma-allocated memory. The right way is, while tracking both phys and virt address of the window that has been allocated for boffer descriptors, and use those numbers to compute the offset and make translation properly. Signed-off-by:
Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by:
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Vitaly Bordug authored
This has the relevant updates/additions to the BSP code so that proper platform_info struct well be passed to the CPM UART drivers. The changes covered mpc866ads, mpc885ads and mpc8272ads. Signed-off-by:
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Vitaly Bordug authored
This is intended to make the driver code more generic and flexible, to get rid of board-specific layouts within driver, and generic rehaul, yet keeping compatibility with the existing stuff utilizing it, being compatible with legacy behavior (but with complaints that legacy mode used). Signed-off-by:
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Vitaly Bordug authored
This consists of offsets fix in ..._devices.c, and update of ppc_sys_fixup_mem_resource() function to prevent subsequent fixups Signed-off-by:
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Andreas Schwab authored
Wire up *at syscalls. This patch has been tested on ppc64 (using glibc's testsuite, both 32bit and 64bit), and compile-tested for ppc32 (I have currently no ppc32 system available, but I expect no problems). Signed-off-by:
Andreas Schwab <schwab@suse.de> Signed-off-by:
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