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Bernd Schmidt 7adfb58fbd Blackfin arch: defines and provides entry points for certain user space functions at fixed addresses 
This patch defines (and provides) entry points for certain user space functions
at fixed addresses.  The Blackfin has no usable atomic instructions, but we can
ensure that these code sequences appear atomic from a user space point of view
by detecting when we're in the process of executing them during the interrupt
handler return path.  This allows much more efficient pthread lock
implementations than the bfin_spinlock syscall we're currently using.

Also provided is a small sys_rt_sigreturn stub which can be used by the signal
handler setup code.  The signal.c part will be committed separately.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-21 11:34:16 +08:00
..
acpi Pull osi-now into release branch 2007-06-02 01:02:09 -04:00
asm-alpha ALPHA: misc fixes 2007-06-01 08:18:29 -07:00
asm-arm Introduce fixed sys_sync_file_range2() syscall, implement on PowerPC and ARM 2007-06-28 11:38:30 -07:00
asm-arm26 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-avr32 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-blackfin Blackfin arch: defines and provides entry points for certain user space functions at fixed addresses 2007-06-21 11:34:16 +08:00
asm-cris lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-frv lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-generic sched: simplify sched_find_first_bit() 2007-07-09 18:52:00 +02:00
asm-h8300 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-i386 i386: es7000 build breakage fix 2007-07-06 10:23:43 -07:00
asm-ia64 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-m32r lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-m68k lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-m68knommu Remove tas() 2007-05-08 11:15:20 -07:00
asm-mips lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-parisc lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-powerpc [POWERPC] Uninline and export virq_to_hw() for the pasemi_mac driver 2007-07-02 13:29:21 +10:00
asm-ppc Rework ptep_set_access_flags and fix sun4c 2007-06-16 13:16:16 -07:00
asm-s390 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-sh lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-sh64 sh64: generic quicklist support. 2007-05-14 09:55:35 +09:00
asm-sparc Rework ptep_set_access_flags and fix sun4c 2007-06-16 13:16:16 -07:00
asm-sparc64 [SPARC64]: Add linux/pagemap.h to asm/tlb.h 2007-06-28 21:25:31 -07:00
asm-um uml: add asm/paravirt.h 2007-06-24 08:59:11 -07:00
asm-v850 lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
asm-x86_64 x86_64: Fix eventd/timerfd syscalls 2007-06-20 14:27:25 -07:00
asm-xtensa lots-of-architectures: enable arbitary speed tty support 2007-07-10 17:51:13 -07:00
crypto [CRYPTO] cryptd: Add software async crypto daemon 2007-05-02 14:38:32 +10:00
keys [AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both 2007-04-26 15:48:28 -07:00
linux Make common helpers for seq_files that work with list_heads 2007-07-10 17:51:13 -07:00
math-emu Delete unused header file math-emu/extended.h 2007-05-08 11:15:05 -07:00
media V4L/DVB (5592): DMA: Correctly free resources on error, sync PCI streamed data 2007-05-09 10:12:42 -03:00
mtd UBI: Unsorted Block Images 2007-04-27 14:23:33 +03:00
net AX88796 network driver 2007-07-10 12:41:08 -04:00
pcmcia PCMCIA-NETDEV : add new ID of lan&modem multifunction card 2007-07-08 22:16:39 -04:00
rdma Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 2007-05-21 16:19:32 -07:00
rxrpc [AF_RXRPC]: Delete the old RxRPC code. 2007-04-26 15:55:48 -07:00
scsi [SCSI] sas_scsi_host: Convert to use the kthread API 2007-05-06 09:33:17 -05:00
sound [ALSA] version 1.0.14 2007-05-31 11:03:27 +02:00
video atmel_lcdfb: AT91/AT32 LCD Controller framebuffer driver 2007-05-11 08:29:37 -07:00
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