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Jiri Kosina 8853c202b4 RTC: convert mutex to bitfield 
RTC code is using mutex to assure exclusive access to /dev/rtc.  This is
however wrong usage, as it leaves the mutex locked when returning into
userspace, which is unacceptable.

Convert rtc->char_lock into bit operation.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-11-29 09:24:54 -08:00
..
acpi Pull cpuidle into release branch 2007-11-20 01:18:37 -05:00
asm-alpha Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-arm spi: S3C2410: add bus number to SPI GPIO driver 2007-11-29 09:24:52 -08:00
asm-avr32 [AVR32] Add missing bit in PCCR sysreg 2007-11-15 13:47:20 +01:00
asm-blackfin Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from process.c, which was largely duplicated 2007-11-21 16:46:49 +08:00
asm-cris CRIS tlb.h should include linux/pagemap.h 2007-11-14 18:45:47 -08:00
asm-frv frv: Remove bogus NO_IRQ = -1 define 2007-11-09 15:11:44 -08:00
asm-generic sched: fix RLIMIT_CPU comment 2007-11-26 21:21:49 +01:00
asm-h8300 Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-ia64 ACPI: Set max_cstate to 1 for early Opterons. 2007-11-26 20:42:19 +01:00
asm-m32r m32r: Update sys_rt_sigsuspend 2007-11-28 01:24:04 +09:00
asm-m68k Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-m68knommu m68knommu: fix pread/pwrite defines 2007-11-05 15:12:33 -08:00
asm-mips IP22ZILOG: fix lockup and sysrq 2007-11-29 09:24:53 -08:00
asm-parisc parisc: fix sg_page() fallout 2007-10-23 09:49:31 +02:00
asm-powerpc [POWERPC] Fix RTAS os-term usage on kernel panic 2007-11-20 16:10:09 +11:00
asm-ppc ppc: fix AT_VECTOR_SIZE on arch/ppc 2007-10-22 19:18:54 -07:00
asm-s390 [S390] Fix irq tracing and lockdep_sys_exit calls. 2007-11-20 11:13:45 +01:00
asm-sh sh: Fix copy_{to,from}_user_page() with cache disabled. 2007-11-19 12:55:51 +09:00
asm-sh64 sh: remove PTRACE_O_TRACESYSGOOD from asm/ptrace.h 2007-11-07 11:13:54 +09:00
asm-sparc [SPARC32]: __inline__ --> inline 2007-10-27 00:17:01 -07:00
asm-sparc64 [SPARC64]: Use "is_power_of_2" macro for simplicity. 2007-11-07 02:24:33 -08:00
asm-um uml: update address space affected by pud_clear 2007-11-14 18:45:37 -08:00
asm-v850 Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-x86 x86: fix ACPI compile for LOCAL_APIC=n 2007-11-26 20:42:19 +01:00
asm-xtensa xtensa: dma-mapping.h is using linux/scatterlist.h functions, so include it 2007-10-24 13:28:40 +02:00
crypto
…
keys KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
linux RTC: convert mutex to bitfield 2007-11-29 09:24:54 -08:00
math-emu
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media [PATCH] Fix breakage after SG cleanups 2007-10-23 12:02:39 -07:00
mtd
…
net [IPV4]: Fix memory leak in inet_hashtables.h when NUMA is on 2007-11-26 20:23:31 +08:00
pcmcia [AVR32] pcmcia ioaddr_t should be 32 bits on AVR32 2007-11-15 13:47:19 +01:00
rdma cleanup asm/scatterlist.h includes 2007-11-02 08:47:06 +01:00
rxrpc
…
scsi SCSI: add asynchronous event notification API 2007-11-03 22:23:02 -04:00
sound [ALSA] version 1.0.15 2007-11-20 20:16:43 +01:00
video Make asm-x86/bootparam.h includable from userspace. 2007-10-23 15:49:47 +10:00
xen xen: fix incorrect vcpu_register_vcpu_info hypercall argument 2007-10-16 11:51:31 -07:00
Kbuild do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00