kernel/include/linux/signal.h, branch linux-2.6.18.y

[PATCH] irq-flags: consolidate flags for request_irq

2006-07-02T20:58:46Z

The recent interrupt rework introduced bit value conflicts with sparc. Instead of introducing new architecture flags mess, move the interrupt SA_ flags out of the signal namespace and replace them by interrupt related flags. This allows to remove the obsolete SA_INTERRUPT flag and clean up the bit field values. This patch: Move the interrupt related SA_ flags out of linux/signal.h and rename them to IRQF_ . This moves the interrupt related flags out of the signal namespace and allows to remove the architecture dependencies. SA_INTERRUPT is not needed by userspace and glibc so it can be removed safely. The existing SA_ constants are kept for easy transition and will be removed after a 6 month grace period. Signed-off-by: Thomas Gleixner Cc: Ingo Molnar Cc: "David S. Miller" Cc: Benjamin Herrenschmidt Cc: "Randy.Dunlap" Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: "Antonino A. Daplas" Cc: Greg KH Cc: Russell King Cc: James Bottomley Cc: Kyle McMartin Cc: Jeff Garzik Cc: Mauro Carvalho Chehab Cc: Karsten Keil Cc: Jody McIntyre Cc: Ben Collins Cc: Stefan Richter Cc: Alan Cox Cc: Bartlomiej Zolnierkiewicz Cc: Dave Airlie Cc: Jens Axboe Cc: Chris Zankel Cc: Andi Kleen Cc: Miles Bader Cc: Jeff Dike Cc: Paolo 'Blaisorblade' Giarrusso Cc: Paul Mundt Cc: Kazumoto Kojima Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Ralf Baechle Cc: Roman Zippel Cc: Geert Uytterhoeven Cc: Greg Ungerer Cc: "Luck, Tony" Cc: Yoshinori Sato Cc: David Howells Cc: Mikael Starvik Cc: Russell King Cc: Ivan Kokshaysky Cc: Richard Henderson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

2006-04-29T00:42:26Z

[PATCH] request_irq(): remove warnings from irq probing

2006-04-28T15:33:46Z

- 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: Andrew Morton Signed-off-by: Linus Torvalds

Don't include private headers from user-visible part of linux/signal.h

2006-04-25T13:55:46Z

Signed-off-by: David Woodhouse

[PATCH] move __exit_signal() to kernel/exit.c

2006-03-29T02:36:43Z

__exit_signal() is private to release_task() now. I think it is better to make it static in kernel/exit.c and export flush_sigqueue() instead - this function is much more simple and straightforward. Signed-off-by: Oleg Nesterov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] sigaction should clear all signals on SIG_IGN, not just < 32

2006-01-09T04:13:53Z

While rooting aroung in the signal code trying to understand how to fix the SIG_IGN ploy (set sig handler to SIG_IGN and flood system with high speed repeating timers) I came across what, I think, is a problem in sigaction() in that when processing a SIG_IGN request it flushes signals from 1 to SIGRTMIN and leaves the rest. Attempt to fix this. Signed-off-by: George Anzinger Cc: Roland McGrath Cc: Linus Torvalds Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] IRQ type flags

2006-01-09T04:13:46Z

Some ARM platforms have the ability to program the interrupt controller to detect various interrupt edges and/or levels. For some platforms, this is critical to setup correctly, particularly those which the setting is dependent on the device. Currently, ARM drivers do (eg) the following: err = request_irq(irq, ...); set_irq_type(irq, IRQT_RISING); However, if the interrupt has previously been programmed to be level sensitive (for whatever reason) then this will cause an interrupt storm. Hence, if we combine set_irq_type() with request_irq(), we can then safely set the type prior to unmasking the interrupt. The unfortunate problem is that in order to support this, these flags need to be visible outside of the ARM architecture - drivers such as smc91x need these flags and they're cross-architecture. Finally, the SA_TRIGGER_* flag passed to request_irq() should reflect the property that the device would like. The IRQ controller code should do its best to select the most appropriate supported mode. Signed-off-by: Russell King Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] kill sigqueue->lock

2005-10-31T01:37:19Z

This lock is used in sigqueue_free(), but it is always equal to current->sighand->siglock, so we don't need to keep it in the struct sigqueue. Signed-off-by: Oleg Nesterov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] Remove obsolete HAVE_ARCH_GET_SIGNAL_TO_DELIVER?

2005-06-13T03:43:21Z

Now m68k no longer sets HAVE_ARCH_GET_SIGNAL_TO_DELIVER, can it be removed completely? Or may ARM26 still need it? Note that its usage was removed from kernel/signal.c about 2 months ago. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds

[PATCH] new valid_signal() function

2005-05-01T15:59:13Z

This patch adds a new function valid_signal() that tests if its argument is a valid signal number. The reasons for adding this new function are: - some code currently testing _NSIG directly has off-by-one errors. Using this function instead avoids such errors. - some code currently tests unsigned signal numbers for <0 which is pointless and generates warnings when building with gcc -W. Using this function instead avoids such warnings. I considered various places to add this function but eventually settled on include/linux/signal.h as the most logical place for it. If there's some reason this is a bad choice then please let me know (hints as to a better location are then welcome of course). Signed-off-by: Jesper Juhl Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds