Paolo 'Blaisorblade' Giarrusso 48af05ed54 [PATCH] uml: fix proc-vs-interrupt context spinlock deadlock ...

This spinlock can be taken on interrupt too, so spin_lock_irq[save] must be
used.

However, Documentation/networking/netdevices.txt explains we are called with
rtnl_lock() held - so we don't need to care about other concurrent opens.
Verified also in LDD3 and by direct checking.  Also verified that the network
layer (through a state machine) guarantees us that nobody will close the
interface while it's being used.  Please correct me if I'm wrong.

Also, we must check we don't sleep with irqs disabled!!!  But anyway, this is
not news - we already can't sleep while holding a spinlock.  Who says this is
guaranted really by the present code?

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2006-09-27 08:26:15 -07:00

..

alpha

[PATCH] alpha: Fix ALPHA_EV56 dependencies typo

2006-09-26 08:48:57 -07:00

arm

[PATCH] Standardize pxx_page macros

2006-09-26 08:48:51 -07:00

arm26

[PATCH] tty: Remove include of screen_info.h from tty.h

2006-07-10 13:24:16 -07:00

avr32

[PATCH] AVR32: Use unsigned long flags for saving interrupt state

2006-09-27 08:26:13 -07:00

cris

[PATCH] pcf8563: remove MOD_INC_USE_COUNT, MOD_DEC_USE_COUNT

2006-07-10 13:24:22 -07:00

frv

[PATCH] FRV: permit __do_IRQ() to be dispensed with

2006-09-26 08:48:53 -07:00

h8300

[PATCH] reduce MAX_NR_ZONES: fix MAX_NR_ZONES array initializations

2006-09-26 08:48:46 -07:00

i386

[PATCH] Have x86 use add_active_range() and free_area_init_nodes

2006-09-27 08:26:11 -07:00

ia64

[PATCH] Have ia64 use add_active_range() and free_area_init_nodes

2006-09-27 08:26:11 -07:00

m32r

[PATCH] reduce MAX_NR_ZONES: fix MAX_NR_ZONES array initializations

2006-09-26 08:48:46 -07:00

m68k

[PATCH] irq-flags: M68K: Use the new IRQF_ constants

2006-07-02 13:58:47 -07:00

m68knommu

[PATCH] reduce MAX_NR_ZONES: fix MAX_NR_ZONES array initializations

2006-09-26 08:48:46 -07:00

mips

[MIPS] setup.c: use early_param() for early command line parsing

2006-09-27 13:38:04 +01:00

parisc

[PATCH] NUMA: Add zone_to_nid function

2006-09-26 08:48:52 -07:00

powerpc

[PATCH] Have Power use add_active_range() and free_area_init_nodes()

2006-09-27 08:26:11 -07:00

ppc

[PATCH] Have Power use add_active_range() and free_area_init_nodes()

2006-09-27 08:26:11 -07:00

s390

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2006-09-26 13:07:55 -07:00

sh

[PATCH] Standardize pxx_page macros

2006-09-26 08:48:51 -07:00

sh64

[PATCH] reduce MAX_NR_ZONES: fix MAX_NR_ZONES array initializations

2006-09-26 08:48:46 -07:00

sparc

[PATCH] Standardize pxx_page macros

2006-09-26 08:48:51 -07:00

sparc64

[SPARC64]: Fix section-mismatch errors in solaris emul module.

2006-09-25 16:39:55 -07:00

um

[PATCH] uml: fix proc-vs-interrupt context spinlock deadlock

2006-09-27 08:26:15 -07:00

v850

[PATCH] v850: call init_page_count() instead of set_page_count()

2006-07-31 13:28:38 -07:00

x86_64

[PATCH] Allow an arch to expand node boundaries

2006-09-27 08:26:12 -07:00

xtensa

[PATCH] xtensa: ptrace: EXIT_ZOMBIE fix

2006-09-01 11:39:08 -07:00