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Helmut Schaa abc1199411 rt2x00: Fix PCI interrupt processing race on SMP systems ... When toggle_irq is called for PCI devices to disable device interrupts it used tasklet_disable to wait for a possibly running tasklet to finish. However, on SMP systems the tasklet might still be scheduled on another CPU. Instead, use tasklet_kill to ensure that all scheduled tasklets are finished before returning from toggle_irq. Furthermore, it was possible that a tasklet reenabled its interrupt even though interrupts have been disabled already. Fix this by checking the DEVICE_STATE_ENABLED_RADIO flag before reenabling single interrupts during tasklet processing. While at it also enable/kill the TBTT and PRETBTT tasklets in the toggle_irq callback and only use tasklet_kill in stop_queue to wait for a currently scheduled beacon update before returning. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>		14 years ago
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Kconfig	…
Makefile	…
rt2x00.h	…
rt2x00config.c	…
rt2x00crypto.c	…
rt2x00debug.c	…
rt2x00debug.h	…
rt2x00dev.c	rt2x00: Fix PCI interrupt processing race on SMP systems	14 years ago
rt2x00dump.h	…
rt2x00firmware.c	…
rt2x00leds.c	…
rt2x00leds.h	…
rt2x00lib.h	…
rt2x00link.c	…
rt2x00mac.c	rt2x00: fix usage of NULL queue	14 years ago
rt2x00pci.c	…
rt2x00pci.h	…
rt2x00queue.c	…
rt2x00queue.h	…
rt2x00reg.h	…
rt2x00soc.c	…
rt2x00soc.h	…
rt2x00usb.c	…
rt2x00usb.h	…
rt61pci.c	rt2x00: Fix PCI interrupt processing race on SMP systems	14 years ago
rt61pci.h	…
rt73usb.c	…
rt73usb.h	…
rt2400pci.c	rt2x00: Fix PCI interrupt processing race on SMP systems	14 years ago
rt2400pci.h	…
rt2500pci.c	rt2x00: Fix PCI interrupt processing race on SMP systems	14 years ago
rt2500pci.h	…
rt2500usb.c	…
rt2500usb.h	…
rt2800.h	…
rt2800lib.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem	14 years ago
rt2800lib.h	…
rt2800pci.c	rt2x00: Fix PCI interrupt processing race on SMP systems	14 years ago
rt2800pci.h	…
rt2800usb.c	…
rt2800usb.h	…