- 31 7月, 2008 1 次提交
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由 Dean Nelson 提交于
Support runtime selection of the max number of partitions based on the hardware being run on. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 13 5月, 2008 2 次提交
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由 Dean Nelson 提交于
In preparation for supporting greater than 64 partitions replace partid_t by short in drivers/misc/sgi-xp. Signed-off-by: NDean Nelson <dcn@sgi.com> Acked-by: NRobin Holt <holt@sgi.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Dean Nelson 提交于
Make XP return values more generic to XP and not so tied to XPC by changing enum xpc_retval to xp_retval, along with changing return value prefixes from xpc to xp. Also, cleanup a comment block that referenced some of these return values as well as the handling of BTE related return values. Signed-off-by: NDean Nelson <dcn@sgi.com> Acked-by: NRobin Holt <holt@sgi.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 4月, 2008 3 次提交
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由 Dean Nelson 提交于
Addressed issues raised by scripts/checkpatch.pl. Removed unnecessary curly braces. Eliminated uses of volatiles and use of kernel_thread() and daemonize(). Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Dean Nelson 提交于
Ran patches through scripts/Lindent (part 2). Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Dean Nelson 提交于
Move XPC and XPNET from arch/ia64/sn/kernel to drivers/misc/sgi-xp. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 12 5月, 2007 1 次提交
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由 Simon Arlott 提交于
Spelling and apostrophe fixes in arch/ia64/. Signed-off-by: NSimon Arlott <simon@fire.lp0.eu> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 13 12月, 2006 1 次提交
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由 Dean Nelson 提交于
This patch eliminates a potential deadlock that is possible when XPC disconnects a channel to a partition that has gone down. This deadlock will occur if at least one of the kthreads created by XPC for the purpose of making callouts to the channel's registerer is detained in the registerer and will not be returning back to XPC until some registerer request occurs on the now downed partition. The potential for a deadlock is removed by ensuring that there always is a kthread available to make the channel disconnecting callout to the registerer. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 09 8月, 2006 1 次提交
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由 Dean Nelson 提交于
Jack Steiner identified a problem where XPC can cause a silent data corruption. On module load, the placement may cause the xpc_remote_copy_buffer to span two physical pages. DMA transfers are done to the start virtual address translated to physical. This patch changes the buffer from a statically allocated buffer to a kmalloc'd buffer. Dean Nelson reviewed this before posting. I have tested it in the configuration that was showing the memory corruption and verified it works. I also added a BUG_ON statement to help catch this if a similar situation is encountered. Signed-off-by: NRobin Holt <holt@sgi.com> Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NJack Steiner <steiner@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 03 7月, 2006 1 次提交
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由 Thomas Gleixner 提交于
Use the new IRQF_ constants and remove the SA_INTERRUPT define Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 05 4月, 2006 1 次提交
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由 Tony Luck 提交于
Found by gcc4.1 and reported by Dean Nelson. Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 28 2月, 2006 1 次提交
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由 Jes Sorensen 提交于
Take advantage of kzalloc() as well as reduce the size of code generated for the error returns in xpc_setup_infrastructure(). Signed-off-by: NJes Sorensen <jes@sgi.com> Acked-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 16 2月, 2006 1 次提交
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由 Dean Nelson 提交于
Fix XPC so that it does not deliver any messages until the connected callout has returned, as well as, prevent the disconnected callout to occur before the disconnecting callout has returned. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 25 1月, 2006 1 次提交
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由 Jes Sorensen 提交于
Remove the GFP_DMA flag from XPC kmalloc() calls. Signed-off-by: NJes Sorensen <jes@sgi.com> Acked-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 18 1月, 2006 1 次提交
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由 Jes Sorensen 提交于
Migrate sn2 code to use mutex and completion events rather than semaphores. Signed-off-by: NJes Sorensen <jes@sgi.com> Acked-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 14 1月, 2006 2 次提交
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由 Dean Nelson 提交于
Cleanup a few items after moving xpc.h from arch/ia64/sn/kernel to include/asm-ia64/sn. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Dean Nelson 提交于
This patch fixes a problem in XPC disengage processing whereby it was not seeing the request to disengage from a remote partition, so the disengage wasn't happening. The disengagement is suppose to transpire during the time a XPC channel is disconnecting, and should be completed before the channel is declared to be disconnected. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 26 10月, 2005 1 次提交
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由 Dean Nelson 提交于
This patch addresses a few issues with the open/close protocol that were revealed by the newly added disengage functionality combined with more extensive testing. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 07 9月, 2005 1 次提交
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由 Dean Nelson 提交于
When XPC is being shutdown (i.e., rmmod, reboot) it doesn't ensure that other partitions with whom it was connected have completely disengaged from any attempt at cross-partition memory references. This can lead to MCAs in any of these other partitions when the partition is reset. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 14 7月, 2005 1 次提交
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由 Dean Nelson 提交于
XPC calls smp_processor_id() twice from xpc_setup_infrastructure() with preemption enabled, which gets flagged if 'DEBUG_PREEMPT=y'. This patch replaces the two calls to smp_processor_id() by a single call to raw_smp_processor_id() since any CPU within the partition will do. Signed-off-by: NDean Nelson <dcn@sgi.com> Acked-by: NChristoph Hellwig <hch@infradead.org> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 26 6月, 2005 1 次提交
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由 Dave Jones 提交于
Gcc4 doesn't like volatile casts as lvalues. Make the structure members volatile instead. Signed-off-by: NDave Jones <davej@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 04 5月, 2005 1 次提交
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由 Dean Nelson 提交于
This patch contains the communication module (XPC) for cross partition communication on a partitioned SGI Altix. Signed-off-by: NDean Nelson <dcn@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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