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86 Commits

Author SHA1 Message Date
Linus Torvalds 4007162647 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq cleanups from Ingo Molnar:
 "This is a multi-arch cleanup series from Thomas Gleixner, which we
  kept to near the end of the merge window, to not interfere with
  architecture updates.

  This series (motivated by the -rt kernel) unifies more aspects of IRQ
  handling and generalizes PREEMPT_ACTIVE"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  preempt: Make PREEMPT_ACTIVE generic
  sparc: Use preempt_schedule_irq
  ia64: Use preempt_schedule_irq
  m32r: Use preempt_schedule_irq
  hardirq: Make hardirq bits generic
  m68k: Simplify low level interrupt handling code
  genirq: Prevent spurious detection for unconditionally polled interrupts
 2013-11-19 10:40:00 -08:00
Kirill A. Shutemov 5de1423d89 hexagon: handle pgtable_page_ctor() fail 
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2013-11-15 09:32:17 +09:00
Thomas Gleixner 00d1a39e69 preempt: Make PREEMPT_ACTIVE generic 
No point in having this bit defined by architecture.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130917183629.090698799@linutronix.de
 2013-11-13 20:21:47 +01:00
Peter Zijlstra a787870924 sched, arch: Create asm/preempt.h 
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 <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-h5j0c1r3e3fk015m30h8f1zx@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2013-09-25 14:07:50 +02:00
Al Viro 40d158e618 consolidate io_remap_pfn_range definitions 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:46:35 +04:00
Richard Kuo 426d29ccb2 Hexagon: add v4 CS regs to core copyout macro 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:29 -05:00
Richard Kuo 5c883b462a Hexagon: use correct translation for VMALLOC_START 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:29 -05:00
Richard Kuo 5e1150542f Hexagon: use correct translations for DMA mappings 
With physical offsets, pa<->va translations aren't just based
on PAGE_OFFSET anymore.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:28 -05:00
Richard Kuo 7c6a5df44f Hexagon: update copyright dates 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo 7959bd76a1 Hexagon: add translation types for __vmnewmap 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo f3f601c1d2 Hexagon: fix signal.c compile error 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo c05c3ec401 Hexagon: use generic sys_fork, sys_vfork, and sys_clone 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 8209277687 Hexagon: fix psp/sp macro 
Based on feedback from Al Viro; previous-stack-pointer and
user reg for same should always be kept consistent.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 1ce81f4f87 Hexagon: add IOMEM and _relaxed IO macros 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo f167063a0c Hexagon: switch to using the device type for IO mappings 
Uncached on our architecture can still have side effects
such as canceled/replayed transactions; device type prevents
this.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo 7777746c40 Hexagon: add support for single-stepping (v4+) 
Hardware single-step is only available on v4 and later
architectures.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo a11e67c261 Hexagon: Signal and return path fixes 
This fixes the return value of sigreturn and moves the work pending check
into a c routine for readability and fixes the loop for multiple pending
signals.  Based on feedback from Al Viro.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo 60c4ba99e0 Hexagon: add support for new v4+ registers 
Add support for a couple new v4+ registers, along with
newer save/restore pt_regs.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo 444dd742d3 Hexagon: add individual register access for switch_stack 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo e470d932ce Hexagon: use defines for MIN_KERNEL_SEG calculation 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo 66b03dbfe6 Hexagon: change arch version config to allow comparisons 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo 8f5a0b9dff Hexagon: add support for ARCH_PFN_OFFSET 
Add support for loading the kernel at a physical offset.  The
offset should still be 4M aligned.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo e0025a72c3 Hexagon: fix __atomic_add_unless 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo 22493cfd78 Hexagon: clean up generic headers in Kbuild 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Al Viro e72837e3e7 default SET_PERSONALITY() in linux/elf.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-26 02:46:08 -05:00