linux/arch/tile/include, branch v3.13

preempt: Make PREEMPT_ACTIVE generic

2013-11-13T19:21:47Z

No point in having this bit defined by architecture. Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra Link: http://lkml.kernel.org/r/20130917183629.090698799@linutronix.de

hardirq: Make hardirq bits generic

2013-11-13T19:21:46Z

There is no reason for per arch hardirq bits. Make them all generic Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra Link: http://lkml.kernel.org/r/20130917183628.534494408@linutronix.de

Merge branch 'core/urgent' into sched/core

2013-10-11T05:39:37Z

Merge in asm goto fix, to be able to apply the asm/rmwcc.h fix. Signed-off-by: Ingo Molnar

tile: use a more conservative __my_cpu_offset in CONFIG_PREEMPT

2013-09-30T14:34:41Z

It turns out the kernel relies on barrier() to force a reload of the percpu offset value. Since we can't easily modify the definition of barrier() to include "tp" as an output register, we instead provide a definition of __my_cpu_offset as extended assembly that includes a fake stack read to hazard against barrier(), forcing gcc to know that it must reread "tp" and recompute anything based on "tp" after a barrier. This fixes observed hangs in the slub allocator when we are looping on a percpu cmpxchg_double. A similar fix for ARMv7 was made in June in change 509eb76ebf97. Cc: stable@vger.kernel.org Signed-off-by: Chris Metcalf

tile: include: asm: use 'long long' instead of 'u64' for atomic64_t and its related functions

2013-09-27T20:08:56Z

atomic* value is signed value, and atomic* functions need also process signed value (parameter value, and return value), so use 'long long' instead of 'u64'. After replacement, it will also fix a bug for atomic64_add_negative(): "u64 is never less than 0". The modifications are: in vim, use "1,% s/\/long long/g" command. remove redundant '__aligned(8)'. be sure of 80 (and macro '\') columns limitation after replacement. Signed-off-by: Chen Gang Signed-off-by: Chris Metcalf [re-instated const cast]

sched, arch: Create asm/preempt.h

2013-09-25T12:07:50Z

In order to prepare to per-arch implementations of preempt_count move the required bits into an asm-generic header and use this for all archs. Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-h5j0c1r3e3fk015m30h8f1zx@git.kernel.org Signed-off-by: Ingo Molnar

tile: header updates from upstream

2013-09-16T19:47:26Z

The hardware architecture descriptor headers have been updated, in particular to reflect some larger MMIO fields on the mPIPE shims for controlling the network hardware, from the recent Gx72 release. Signed-off-by: Chris Metcalf

tile: improve gxio iorpc autogenerated code style

2013-09-16T19:47:20Z

Fix some whitespace style issues in some auto-generated files. Signed-off-by: Chris Metcalf

tile: remove HUGE_VMAP dead code

2013-09-13T15:15:24Z

A config option to allow a variant vmap() using huge pages that was never upstreamed had some bits of code related to it scattered around the tile architecture; the config option was removed downstream and this commit cleans up the scattered evidence of it from the upstream as well. Signed-off-by: Chris Metcalf

Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

2013-09-06T18:14:33Z

Pull Tile arch updates from Chris Metcalf: "These changes bring in a bunch of new functionality that has been maintained internally at Tilera over the last year, plus other stray bits of work that I've taken into the tile tree from other folks. The changes include some PCI root complex work, interrupt-driven console support, support for performing fast-path unaligned data fixups by kernel-based JIT code generation, CONFIG_PREEMPT support, vDSO support for gettimeofday(), a serial driver for the tilegx on-chip UART, KGDB support, more optimized string routines, support for ftrace and kprobes, improved ASLR, and many bug fixes. We also remove support for the old TILE64 chip, which is no longer buildable" * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (85 commits) tile: refresh tile defconfig files tile: rework tile PCI RC: make default consistent DMA mask 32-bit tile: add null check for kzalloc in tile/kernel/setup.c tile: make __write_once a synonym for __read_mostly tile: remove support for TILE64 tile: use asm-generic/bitops/builtin-*.h tile: eliminate no-op "noatomichash" boot argument tile: use standard tile_bundle_bits type in traps.c tile: simplify code referencing hypervisor API addresses tile: change to in comments tile: mark pcibios_init() as __init tile: check for correct compiler earlier in asm-offsets.c tile: use standard 'generic-y' model for tile: use asm-generic version of tile PCI RC: add comment about "PCI hole" problem tile: remove DEBUG_EXTRA_FLAGS kernel config option tile: add virt_to_kpte() API and clean up and document behavior tile: support FRAME_POINTER tile: support reporting Tilera hypervisor statistics ...