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Arthur Jones 8f140b407f IB/ipath: Shadow the gpio_mask register ... Once upon a time, GPIO interrupts were rare. But then a chip bug in the waldo series forced the use of a GPIO interrupt to signal packet reception. This greatly increased the frequency of GPIO interrupts which have the gpio_mask bits set on the waldo chips. Other bits in the gpio_status register are used for I2C clock and data lines, these bits are usually on. An "unlikely" annotation leftover from the old days was improperly applied to these bits, and an unnecessary chip mmio read was being accessed in the interrupt fast path on waldo. Remove the stagnant unlikely annotation in the interrupt handler and keep a shadow copy of the gpio_mask register to avoid the slow mmio read when testing for interruptable GPIO bits. Signed-off-by: Arthur Jones <arthur.jones@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>		18 years ago
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Kconfig	…
Makefile	…
ipath_common.h	…
ipath_cq.c	IB: Return "maybe missed event" hint from ib_req_notify_cq()	18 years ago
ipath_debug.h	…
ipath_diag.c	…
ipath_dma.c	…
ipath_driver.c	…
ipath_eeprom.c	…
ipath_file_ops.c	…
ipath_fs.c	inode numbering: change libfs sb creation routines to avoid collisions with their root inodes	18 years ago
ipath_iba6110.c	…
ipath_iba6120.c	IB/ipath: Shadow the gpio_mask register	18 years ago
ipath_init_chip.c	…
ipath_intr.c	IB/ipath: Shadow the gpio_mask register	18 years ago
ipath_kernel.h	IB/ipath: Shadow the gpio_mask register	18 years ago
ipath_keys.c	…
ipath_layer.c	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
ipath_layer.h	…
ipath_mad.c	…
ipath_mmap.c	IB/ipath: Don't corrupt pending mmap list when unmapped objects are freed	18 years ago
ipath_mr.c	IB/uverbs: Export ib_umem_get()/ib_umem_release() to modules	18 years ago
ipath_qp.c	IB/ipath: Don't corrupt pending mmap list when unmapped objects are freed	18 years ago
ipath_rc.c	IB/ipath: Fix a race condition when generating ACKs	18 years ago
ipath_registers.h	…
ipath_ruc.c	…
ipath_srq.c	IB/ipath: Don't corrupt pending mmap list when unmapped objects are freed	18 years ago
ipath_stats.c	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
ipath_sysfs.c	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
ipath_uc.c	…
ipath_ud.c	…
ipath_user_pages.c	…
ipath_verbs.c	IB/ipath: Shadow the gpio_mask register	18 years ago
ipath_verbs.h	IB/uverbs: Export ib_umem_get()/ib_umem_release() to modules	18 years ago
ipath_verbs_mcast.c	…
ipath_wc_ppc64.c	…
ipath_wc_x86_64.c	…