[SCM] GNU Mach branch, master, updated. v1.4-492-ge4f0d5f

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit e4f0d5fcc0f885ea34f83176b23871bba6346cc8
Author: Samuel Thibault <address@hidden>
Date:   Sun Nov 16 22:02:09 2014 +0100

    Only set debug registers when they are used
    
    * i386/i386/db_interface.c (zero_dr): New variable
    (db_load_context): Do not set debug registers to zero when they are already
    zero.
    (db_dr): When kernel debug registers get zero, record that the debug
    registers have been zeroed.

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

Summary of changes:
 i386/i386/db_interface.c |   23 +++++++++++++++++------
 1 files changed, 17 insertions(+), 6 deletions(-)


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