[SCM] GNU Mach branch, master, updated. 3f5c8f4602a17d3cf65847ee88baa057f7a4f597

[Samuel Thibault]

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commit 3f5c8f4602a17d3cf65847ee88baa057f7a4f597
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:42:48 2011 +0100

    Refuse to share IRQs at different interrupt levels
    
    * linux/dev/arch/i386/kernel/irq.c (setup_x86_irq): Return -LINUX_EBUSY when
    trying to share an IRQ between two different interrupt levels.

commit 8bc7b53014de45e872c3fdfec6501fa59572d084
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:41:05 2011 +0100

    Re-enable updating pvlist for kernel_pmap
    
    This partially reverts 0744feb6
    
    * i386/intel/pmap.c (pmap_remove_range): Update pvlist for kernel_pmap too.

commit 5da1aea7ab3cf8634e1ef061a8c6a9873fed4f4e
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:37:57 2011 +0100

    Acknoledge interrupt after handler call
    
    This fixes interrupt overflows when software interrupts processing gets 
slower
    than hardware.
    
    * i386/i386at/interrupt.S (interrupt): Issue EOI to PICs after having called
    the interrupt handler and disabled interrupts through cli.

commit aa0c4071694a19b0f7de5fcaca8b1f9918e06fc8
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:36:54 2011 +0100

    Detect interrupt overflow
    
    * i386/i386/locore.S (int_from_instack): Check %esp against _intstack, issue
    ud2 on stack overflow.

commit a9ad81b8d42190ff10aa0ce72bdf31bb313408b1
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:27:06 2011 +0100

    Add x86 debug register Xen support
    
    * i386/xen/xen_boothdr.S: Add global visibility to __hyp_* symbols.
    * i386/i386/locore.S [MACH_XEN] (dr6,dr0,dr1,dr2,dr3): Make get_debugreg and
    set_debugreg hypercalls to manipulate debug registers.
    (dr0,dr1,dr2,dr3): Fix dr7 field shift.
    * i386/i386/xen.h (hyp_set_debugreg, hyp_get_debugreg): New prototypes.

commit f24bb83fc70d1d7f370f956b4209463d817b8f75
Author: Samuel Thibault <address@hidden>
Date:   Sun Feb 27 05:24:45 2011 +0100

    Add prototypes for x86 debug registers
    
    * i386/i386/db_interface.h (I386_DB_TYPE_X, I386_DB_TYPE_W, I386_DB_TYPE_RW,
    I386_DB_LEN_1, I386_DB_LEN_2, I386_DB_LEN_4, I386_DB_LOCAL,
    I386_DB_GLOBAL): New macros.
    (dr0, dr1, dr2, dr3): New function prototypes.

-----------------------------------------------------------------------

Summary of changes:
 i386/i386/db_interface.h         |   16 +++++++++++
 i386/i386/locore.S               |   54 ++++++++++++++++++++++++++++++++++++++
 i386/i386/xen.h                  |    5 +++-
 i386/i386at/interrupt.S          |   19 +++++++-----
 i386/intel/pmap.c                |    1 -
 i386/xen/xen_boothdr.S           |    3 +-
 linux/dev/arch/i386/kernel/irq.c |    4 +++
 7 files changed, 91 insertions(+), 11 deletions(-)


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