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2008-06-20Add "no BKL needed" comments to several driversJonathan Corbet
This documents the fact that somebody looked at the relevant open() functions and concluded that, due to their trivial nature, no locking was needed. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20tty: cdev lock_kernel() pushdownJonathan Corbet
Parts of the serial code actually BUG() if we don't do this.
2008-06-20snsc: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20sound: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20fbmem: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20dvb: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20usbcore: cdev lock_kernel() pushdownJonathan Corbet
usb_open() is protected by a down_read(&minor_rwsem), but I'm not sure I trust it to protect everything including subsidiary open() functions. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20isdn: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20gdth: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20st: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20aacraid: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20osst: cdev lock_kernel() pushdown.Jonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20sg: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20ide-tape: cdev lock_kernel() pushdownJonathan Corbet
->release() already has explicit lock_kernel() calls... Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20phonedev: cdev lock_kernel() pushdownJonathan Corbet
phone_open() looks OK, but I don't trust the subsidiary drivers (and ixj in particular). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20drm: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20lp: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mbcs: cdev lock_kernel() pushdownJonathan Corbet
This driver would appear to have no internal locking at all. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20viotape: cdev lock_kernel pushdown ()Jonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20misc: cdev lock_kernel() pushdownJonathan Corbet
misc_open() looks fine, but who knows what all of the misc drivers are doing in their open() functions? Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mem: cdev lock_kernel() pushdownJonathan Corbet
It's really hard to tell if this is necessary - lots of weird magic happens by way of map_devmem() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20ipmi: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20UIO: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20Input: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20HID: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20UBI: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mtdchar: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20paride: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20AoE: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20drivers/s390: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20rtc: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18pcmcia: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18cosa: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18i2c: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18x86: cdev lock_kernel() pushdownJonathan Corbet
Push the cdev lock_kernel() call down into the x86 msr and cpuid drivers. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18sh: cdev lock_kernel() pushdownJonathan Corbet
Push the cdev lock_kernel() call down into the sh gio driver. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18mips: cdev lock_kernel() pushdownJonathan Corbet
Push the cdev lock_kernel() call into MIPS-specific drivers. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18cris: cdev lock_kernel() pushdownJonathan Corbet
Push the cdev lock_kernel() call into cris drivers. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18bsg: cdev lock_kernel() pushdownJonathan Corbet
Push the cdev lock_kernel call into bsg_open(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-05-18Linux 2.6.26-rc3Linus Torvalds
2008-05-18Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c/max6875: Really prevent 24RF08 corruption i2c-amd756: Fix functionality flags i2c: Kill the old driver matching scheme i2c: Convert remaining new-style drivers to use module aliasing i2c: Switch pasemi to the new device/driver matching scheme i2c: Clean up Blackfin BF527 I2C device declarations i2c-nforce2: Disable the second SMBus channel on the DFI Lanparty NF4 Expert i2c: New co-maintainer
2008-05-18m68k: Add multi_defconfigGeert Uytterhoeven
Add multi_defconfig, to build a kernel for all supported m68k platforms, excluding Sun 3 (Sun 3 kernels are incompatible with all other m68k platforms) Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Update defconfigsGeert Uytterhoeven
Update the m68k defconfigs Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Correctly handle multi-ISA at runtimeGeert Uytterhoeven
m68k: Correctly handle multi-ISA at runtime in multi-platform kernels Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Prefix ISA type with ISA_TYPE_Geert Uytterhoeven
The *_ISA type defines are quite generic and cause namespace conflicts (e.g. with `AMIGAHW_DECLARE(GG2_ISA)' in <asm/amigahw.h>) for some kernel configurations. Use ISA_TYPE_* to avoid such conflicts. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: export m68k_mmutypeGeert Uytterhoeven
UIO needs m68k_mmutype: ERROR: "m68k_mmutype" [drivers/uio/uio.ko] undefined! (noticed by Christian T. Steigies) Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Q40/Q60 floppy support is brokenGeert Uytterhoeven
Mark Q40/Q60 floppy support broken: arch/m68k/q40/q40ints.c: In function 'q40_irq_handler': arch/m68k/q40/q40ints.c:214: error: implicit declaration of function 'floppy_hardint' Including <asm/floppy.h> doesn't help, as it causes a lot of additional error messages (cfr. Sun 3x). Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Return -ENODEV if no device is foundGeert Uytterhoeven
According to the tests in do_initcalls(), the proper error code in case no device is found is -ENODEV, not -ENXIO or -EIO. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Some input drivers do not check the platformGeert Uytterhoeven
Some input drivers do not check whether they're actually running on the correct platform, causing multi-platform kernels to crash if they are not. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-18m68k: Some network drivers do not check the platformGeert Uytterhoeven
Some network drivers do not check whether they're actually running on the correct platform, causing multi-platform kernels to crash if they are not. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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