x86, ds: add leakage warning

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Add a warning in case a debug store context is not removed before
the task it is attached to is freed.

Remove the old warning at thread exit. It is too early.

Declare the debug store context field in thread_struct unconditionally.

Remove ds_copy_thread() and ds_exit_thread() and do the work directly
in process*.c.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Cc: roland@redhat.com
Cc: eranian@googlemail.com
Cc: oleg@redhat.com
Cc: juan.villacis@intel.com
Cc: ak@linux.jf.intel.com
LKML-Reference: <20090403144601.254472000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

...

This commit is contained in:

Markus Metzger 2009-04-03 16:43:46 +02:00 • committed by Ingo Molnar

parent 3a68eef945

commit 2311f0de21

6 changed files with 8 additions and 26 deletions

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9

arch/x86/include/asm/ds.h

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4

arch/x86/include/asm/processor.h

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10

arch/x86/kernel/ds.c

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5

arch/x86/kernel/process.c

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3

arch/x86/kernel/process_32.c

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3

arch/x86/kernel/process_64.c

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