linux

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History

Chris Metcalf 3e2e0d2c22 tile: comment assumption about __insn_mtspr for <asm/irqflags.h>

The arch_local_irq_save(), etc., routines are required to function
as compiler barriers.  They do, but it's subtle and requires knowing
that the gcc builtin __insn_mtspr() is marked as a memory clobber.
Provide a comment explaining the assumption.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
[ This came about from me wondering about the synchronization rules of
  __insn_mtspr()   - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2013-04-09 10:08:14 -07:00

configs

md: remove CONFIG_MULTICORE_RAID456 entirely

2013-03-20 13:21:14 +11:00

gxio

arch/tile: provide kernel support for the tilegx USB shim

2012-07-18 16:40:24 -04:00

include

tile: comment assumption about __insn_mtspr for <asm/irqflags.h>

2013-04-09 10:08:14 -07:00

kernel

tile: expect new initramfs name from hypervisor file system