[cr][git]linux-cr branch, ckpt-v18-dev, updated. v2.6.31-104-g17c7c62

Wed Oct 14 16:36:22 PDT 2009

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- Log -----------------------------------------------------------------
commit 17c7c62ee3ac563a530b840328a31add6100dd87
Author: \\\"Serge E. Hallyn\\\ <serue at us.ibm.com>
Date:   Wed Oct 14 18:46:40 2009 -0400

    debug: add a few ckpt_debugs

    These were pulled out of the lsm-related patches into which they
    had been embedded.

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit d8b01d43edaad4dbbf023056ca54d506ba577174
Author: Matt Helsley <matthltc at us.ibm.com>
Date:   Wed Oct 14 18:46:35 2009 -0400

    Add cpp definitions for enums

    This allows us to test for the enums in cpp expressions.

    (Here's a convenient vim expression to help process enum blocks. Move
    your cursor into the enum block and enter the following ex command:

    .,/^};/s/CKPT_\([^[:space:]=]*\)\(.*,.*\)[[:space:]]*$/CKPT_\1\2\r#define CKPT_\1 CKPT_\1/gc

    It looks for CKPT_* enums and prompty to ask if you wish to add #define
    lines for each one.)

    Signed-off-by: Matt Helsley <matthltc at us.ibm.com>

commit ac4a14b9967298f7b9a91724d2af3c879355ffc2
Author: Matt Helsley <matthltc at us.ibm.com>
Date:   Wed Oct 14 18:36:39 2009 -0400

    pre/post_restore_task: Do not pass checkpoint context when unused

    The checkpoint context is not used in these functions -- they only rely
    on current -- so it's safe to remove.

    Signed-off-by: Matt Helsley <matthltc at us.ibm.com>

commit cb695af7a922964a2f631ee7c92972e2a4215189
Author: Matt Helsley <matthltc at us.ibm.com>
Date:   Wed Oct 14 18:36:35 2009 -0400

    Cleanup pre_restore_task comments

    We don't need to include the name of the function in the comment unless
    it's a kerneldoc comment -- it's redundant. Also the comment before
    post_restore_task() was copy-pasted without modification.

    Signed-off-by: Matt Helsley <matthltc at us.ibm.com>

commit 3af0ccdb8bdaa939c016b4163f1adcfbeddd133b
Author: Matt Helsley <matthltc at us.ibm.com>
Date:   Wed Oct 14 18:36:31 2009 -0400

    Fix ckpt_write_err() check for empty string

    The test for empty error strings does not work because we always add 2
    to len before testing if it's 0. Fix by checking before adding 2.

    Signed-off-by: Matt Helsley <matthltc at us.ibm.com>

commit bcec67a2c1c1d45d34ef13ad02c4cd136b49d440
Author: \\\\\\\"Serge E. Hallyn\\\\\\\ <serue at us.ibm.com>
Date:   Wed Oct 14 18:25:40 2009 -0400

    don't call pre_restore_task twice

    Pre_restore_task is being called both before and inside
    restore_task, causing a memory leak at
    current->checkpoint_data.

    Only call it once, outside restore_task.

    This fixes a memory leak spotted by Dan Smith, and the
    actual bug was deduced by Matt Helsley.

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>
    Reported-by: Dan Smith <danms at us.ibm.com>
    Cc: Dan Smith <danms at us.ibm.com>
    Cc: Matt Helsley <matthltc at us.ibm.com>

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>
    Reviewed-by: Matt Helsley <matthltc at us.ibm.com>
    Tested-by: Dan Smith <danms at us.ibm.com>

commit b069c69890cfef7aba1cdea036229a859f592ebe
Author: Matt Helsley <matthltc at us.ibm.com>
Date:   Wed Oct 14 18:21:53 2009 -0400

    Fix up headers so we can munge them for use by userspace.

    Signed-off-by: Matt Helsley <matthltc at us.ibm.com>

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

Summary of changes:
 arch/s390/include/asm/checkpoint_hdr.h |    7 ++-
 arch/x86/include/asm/checkpoint_hdr.h  |    4 +-
 checkpoint/checkpoint.c                |    4 +-
 checkpoint/files.c                     |    3 +
 checkpoint/process.c                   |   31 ++++++----
 checkpoint/restart.c                   |    9 ++-
 include/linux/checkpoint.h             |    4 +-
 include/linux/checkpoint_hdr.h         |  101 +++++++++++++++++++++++++++++++-
 kernel/cred.c                          |    2 +
 9 files changed, 139 insertions(+), 26 deletions(-)

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