- 22 6月, 2013 1 次提交
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由 Mike Marciniszyn 提交于
This patch adds DCA cache warming for systems that support DCA. The code uses cpu affinity notification to react to an affinity change from a user mode program like irqbalance and (re-)program the chip accordingly. This notification avoids reading the current cpu on every interrupt. Reviewed-by: NDean Luick <dean.luick@intel.com> Signed-off-by: NMike Marciniszyn <mike.marciniszyn@intel.com> [ Add Kconfig dependency on SMP && GENERIC_HARDIRQS to avoid failure to build due to undefined struct irq_affinity_notify. - Roland ] Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 23 3月, 2013 1 次提交
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由 Vinit Agnihotri 提交于
These changes modify the qib driver as part of acquiring the InfiniBand assets of QLogic. Reviewed-by: NMike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: NDean Luick <dean.luick@intel.com> Signed-off-by: NVinit Agnihotri <vinit.abhay.agnihotri@intel.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 20 7月, 2012 1 次提交
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由 Mike Marciniszyn 提交于
Elminate some simple_strto* usage. checkpatch also noted pr_ conversations, which have been done as recommended. The pr_fmt() define is used to shorten line length. Other multi-line string warnings are also elmininated. Reviewed-by: NDean Luick <dean.luick@intel.com> Signed-off-by: NMike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 15 5月, 2012 1 次提交
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由 Mike Marciniszyn 提交于
This patch optimizes pio buffer allocation in the kernel. For qib, kernel pio buffers are used for sending acks. The code to allocate the buffer would always start at 0 until it found a buffer. This means that an average of 64 comparisions were done on each allocate, since the busy bit won't be cleared until the bits are refreshed when buffers are exhausted. This patch adds two new fields in the devdata struct, last_pio and min_kernel_pio. last_pio is the last buffer that was allocated. min_kernel_pio is the lowest potential available buffer. min_kernel_pio is modifed as contexts are allocated and deallocted. Reviewed-by: NRamkrishna Vepa <ramkrishna.vepa@intel.com> Signed-off-by: NMike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 28 1月, 2012 1 次提交
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由 Julia Lawall 提交于
alloc_dummy_hdrq() is called with locks held and thus should not use GFP_KERNEL. The semantic patch that makes this report is available in scripts/coccinelle/locks/call_kern.cocci. Signed-off-by: NJulia Lawall <julia.lawall@lip6.fr> Acked-by: NMike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 04 1月, 2012 1 次提交
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由 Ram Vepa 提交于
Prevent a receive data corruption by ensuring that the write to update the rcvhdrheadn register to generate an interrupt is at the very end of the receive processing. Signed-off-by: NRamkrishna Vepa <ram.vepa@qlogic.com> Signed-off-by: NMike Marciniszyn <mike.marciniszyn@qlogic.com> Cc: <stable@kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 22 10月, 2011 1 次提交
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由 Mike Marciniszyn 提交于
The context init now saves a shift from rcvegrbufs_perchunk rcvegrbufs_perchunk_shift using ilog2. A BUG_ON() protects the power of 2 assumption. Signed-off-by: NMike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 27 4月, 2011 1 次提交
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由 Lucas De Marchi 提交于
These changes were incorrectly fixed by codespell. They were now manually corrected. Signed-off-by: NLucas De Marchi <lucas.demarchi@profusion.mobi>
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- 31 3月, 2011 1 次提交
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由 Lucas De Marchi 提交于
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: NLucas De Marchi <lucas.demarchi@profusion.mobi>
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- 11 1月, 2011 1 次提交
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由 Mike Marciniszyn 提交于
For SusieQ we need to write to the interrupt timer register before updating the header queue head with interrupt count. This is to ensure that the timer is enabled properly and a receive available interrupt is delivered. Otherwise this interrupt can be lost if the receiver header/eager queues are full before the timer is enabled. Signed-off-by: NMike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 07 7月, 2010 1 次提交
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由 Ralph Campbell 提交于
The hardware error register needs to be cleared or another interrupt will be generated, thus causing an infinite loop. This is a regression introduced when removing debug output. Signed-off-by: NRalph Campbell <ralph.campbell@qlogic.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 26 5月, 2010 1 次提交
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由 Ralph Campbell 提交于
This patch fixes a compile error saying qib_init_iba6120_funcs() is undefined when CONFIG_PCI_MSI is not defined. Thanks to Randy Dunlap <randy.dunlap@oracle.com> for finding this and suggesting the fix. Signed-off-by: NRalph Campbell <ralph.campbell@qlogic.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 24 5月, 2010 1 次提交
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由 Ralph Campbell 提交于
Add a low-level IB driver for QLogic PCIe adapters. Signed-off-by: NRalph Campbell <ralph.campbell@qlogic.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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