Chris Metcalf df29ccb6c0 arch/tile: allow nonatomic stores to interoperate with fast atomic syscalls ... This semantic was already true for atomic operations within the kernel, and this change makes it true for the fast atomic syscalls (__NR_cmpxchg and __NR_atomic_update) as well. Previously, user-space had to use the fast atomic syscalls exclusively to update memory, since raw stores could lose a race with the atomic update code even when the atomic update hadn't actually modified the value. With this change, we no longer write back the value to memory if it hasn't changed. This allows certain types of idioms in user space to work as expected, e.g. "atomic exchange" to acquire a spinlock, followed by a raw store of zero to release the lock. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>		2011-05-04 14:40:07 -04:00
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asm-offsets.c
backtrace.c	arch/tile: refactor backtracing code	2011-05-02 13:49:14 -04:00
compat_signal.c	arch/tile: handle rt_sigreturn() more cleanly	2010-12-17 16:59:29 -05:00
compat.c	BKL: remove extraneous #include <smp_lock.h>	2010-11-17 08:59:32 -08:00
early_printk.c	arch/tile: bomb raw_local_irq_ to arch_local_irq_	2010-11-01 15:30:42 -04:00
entry.S	arch/tile: use a cleaner technique to enable interrupt for cpu_idle()	2011-03-01 16:20:48 -05:00
hardwall.c	arch/tile: mark "hardwall" device as non-seekable	2010-11-01 15:31:42 -04:00
head_32.S	arch/tile: support newer binutils assembler shift semantics	2011-03-17 14:32:06 -04:00
hvglue.lds	arch/tile: Enable more sophisticated IRQ model for 32-bit chips.	2010-07-06 13:34:01 -04:00
init_task.c
intvec_32.S	arch/tile: allow nonatomic stores to interoperate with fast atomic syscalls	2011-05-04 14:40:07 -04:00
irq.c	tile: Use generic show_interupts()	2011-03-25 23:06:34 +01:00
machine_kexec.c	arch/tile: support 4KB page size as well as 64KB	2011-03-10 13:17:53 -05:00
Makefile	pci root complex: support for tile architecture	2010-11-24 13:13:49 -05:00
messaging.c	arch/tile: bomb raw_local_irq_ to arch_local_irq_	2010-11-01 15:30:42 -04:00
module.c	arch/tile: Miscellaneous cleanup changes.	2010-07-06 13:41:51 -04:00
pci-dma.c	arch/tile: support 4KB page size as well as 64KB	2011-03-10 13:17:53 -05:00
pci.c	arch/tile: improve support for PCI hotplug	2011-05-04 14:39:53 -04:00
proc.c	arch: tile: kernel/proc.c Removed duplicated #include	2010-08-13 08:10:16 -04:00
process.c	arch/tile: support TIF_NOTIFY_RESUME	2011-05-02 18:53:35 -04:00
ptrace.c	arch/tile: don't allow user code to set the PL via ptrace or signal return	2010-11-01 15:31:17 -04:00
reboot.c	arch/tile: bomb raw_local_irq_ to arch_local_irq_	2010-11-01 15:30:42 -04:00
regs_32.S	arch/tile: parameterize system PLs to support KVM port	2010-10-15 15:38:09 -04:00
relocate_kernel.S
setup.c	arch/tile: support 4KB page size as well as 64KB	2011-03-10 13:17:53 -05:00
signal.c	arch/tile: handle rt_sigreturn() more cleanly	2010-12-17 16:59:29 -05:00
single_step.c	arch/tile: support TIF_NOTIFY_RESUME	2011-05-02 18:53:35 -04:00
smp.c	arch/tile: warn and retry if an IPI is not accepted by the target cpu	2011-03-01 16:20:16 -05:00
smpboot.c	BKL: remove extraneous #include <smp_lock.h>	2010-11-17 08:59:32 -08:00
stack.c	arch/tile: refactor backtracing code	2011-05-02 13:49:14 -04:00
sys.c	BKL: remove extraneous #include <smp_lock.h>	2010-11-17 08:59:32 -08:00
tile-desc_32.c	arch/tile: refactor backtracing code	2011-05-02 13:49:14 -04:00
time.c	arch/tile: fix __ndelay etc to work better	2011-03-01 16:20:04 -05:00
tlb.c
traps.c	arch/tile: enable single-step support for TILE-Gx	2010-10-15 15:38:26 -04:00
vmlinux.lds.S	Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile	2011-03-17 19:34:12 -07:00